This document summarizes a research paper on an atmospheric water generator (AWG) that uses renewable energy sources to operate independently. The proposed AWG design uses a peltier module powered by a solar panel and battery to cool air below its dew point and extract water. It discusses the construction of the system using various components like the solar panel, battery, heat pipe, exhaust fan and peltier module. The document also explains the working principle of how solar energy is used to power the peltier module and generate water from atmospheric moisture. Experimental results on water generation at different voltages are presented and factors affecting the system performance are discussed along with potential applications and scope for future improvement.
IRJET- A Review on Green Technology in HVACIRJET Journal
This document discusses green technologies that can be applied to HVAC systems to improve their energy efficiency. It focuses on solar powered air conditioning and ice powered air conditioning as two examples. Solar powered air conditioning uses photovoltaic panels to generate electricity to power an air conditioning system, avoiding the need for electricity from fossil fuel power plants. Ice powered air conditioning takes advantage of cheaper nighttime electricity to make ice for cooling, which is then melted during the day to provide air conditioning when demand and costs are higher. Both approaches aim to utilize renewable energy sources like solar and off-peak electricity to reduce HVAC energy consumption and costs while maintaining indoor comfort.
Design of The Cooling System for Optimizing the Performance of Solar PanelIRJET Journal
This document describes the design and testing of three solar panel cooling systems. The cooling systems included two passive systems, one using an acrylic tank and the other using copper heat pipes and an aluminum heat sink. The third was an active water cooling system that pumped water over the solar panel surface. Experimental results showed that the water cooling system maintained the lowest solar panel temperatures, with panel temperatures around 60°C compared to 70°C without cooling. Cooling the panels in this way improved their electrical output and efficiency by reducing thermal losses at high temperatures.
IRJET- Water Purifier using Peltier ModuleIRJET Journal
This document presents a conceptual design for a smart water purification system that uses a peltier module to heat and cool water with low energy consumption. The system works by using the peltier effect - when a voltage is applied to a peltier module, one side heats up and the other cools down. In the design, water passes over the heating side to kill bacteria through heating, then over the cooling side to lower the temperature before consumption. Experimental results showed the peltier module could heat water to 93 degrees Celsius and cool it to 11 degrees Celsius while consuming only 85 watts of power. The low-power system allows water filtration without removing important minerals and provides a simpler, more eco-friendly alternative to
IRJET - Advance Hybrid Solar Energy Saver Heater with Electrical BackupIRJET Journal
1) The document discusses an advance hybrid solar energy saver heater that uses both solar and electrical power sources to heat water.
2) It provides hot water using solar energy captured by a collector and stored in an insulated tank, with an electric heating element as backup for rainy or cloudy days.
3) The system uses a thermostat to automatically turn the electric heating element on when water temperature drops below 50°C, heating it to 75-85°C and then turning off to save energy.
Enhancement of the output power generated from a hybrid solar thermal systemeSAT Journals
Abstract This paper investigates the output power and increased the efficiency of a hybrid Photovoltaic/ Thermal (PV/T) modules through utilizing the heat generated from the surface of panels by one axial tracking of the hybrid PV/Tsystem by means of zenith angle and decreasing the heat generated from the PV modules by controlling the flow rate of the system. A comparison between theoretical and experimental work results for fixed and tracking PV/T hybrid system is presented. Comsol software package used to simulate the electromagnetic waves produced by the sun through solving Maxwell's equations in three dimensions and the sun irradiance is assumed to be Gaussian distribution across the twelve mourning hours. Beside that an experimental work is presented depending on the results conjured from the theoretical experience used in Comsol Multiphysics In the second part of the experimental work, one axial sun-tracking system is designed where the movement of a photo-voltaic module is controlled to follow the Sun’s radiation using a Data acquisition card (DAQ) unit. Finally an active cooling system is designed and conducted to cool the fixed and tracking modules at which an absorber system consists of copper pipe welded with aluminium plate is attached underneath the PV modules to allow water flowing below the modules. In addition to the above an electrical analysis for both systems are presented where I-V, P-V, power with 12 mourning hour’s and electrical efficiency. Beside that the thermal analysis for the fixed and tracking PV modules and the piping water are presented where the input, output temperatures, the total energy of heat losses and thermal efficiency are calculated. As a result, a significant enhancement in the total electrical efficiency is observed with acceptable increase in the output water temperature. Keywords: Cooling systems; DAQ; Hybrid; Comsol Multiphysics; Mat lab; Solid work; Lab view.…
IRJET- Critical Analysis of Thermoelectric Cycle (Tri-Cycle)IRJET Journal
1) The document describes the critical analysis of a thermoelectric air conditioning system called a tri-cycle that can provide comfortable transport and delivery of goods.
2) It uses thermoelectric modules instead of harmful refrigerants like ammonia or CFCs that pollute the atmosphere and damage the ozone layer.
3) The thermoelectric air conditioning system has advantages over conventional systems like being compact, lightweight, having no moving parts so it does not wear out or leak refrigerants.
Solar photovoltaic/thermal air collector with mirrors for optimal tiltsIJECEIAES
This work is the result of a study of a photovoltaic/thermal air collector that concentrates solar radiation using two mobile mirrors to enhance electrical and thermal energy. The study is made for the site of Tetouan (Morocco) (longitude=-5°, latitude=35.25°) for a daily variation during typical days in May, June, September, and December, days considered as clear sky. To prove the effectiveness of the mirrors on the production of both electrical and thermal energy by the collector, we compared their electrical and thermal efficiency in two cases, without and with mirrors at the optimal positions. We validate the obtained simulation results by comparing them to the results from experimental studies published in the literature, for which a strong agreement was obtained. The model estimates the solar energy received by the hybrid collector during the day, to optimize the performance of the fixed collector, we have searched for the values of the optimal daily tilt angles of the two mirrors which allowed us to enhance the quantity of incoming solar radiation on the collector. The tilt angles depend on the sun’s elevation angle, the azimuth angle for typical days of the year.
IRJET - Portable Atmospheric Water GeneratorIRJET Journal
The document describes the design and testing of a portable atmospheric water generator. It uses thermoelectric Peltier modules to condense water from humid air by reducing the temperature of the air below the dew point. Four Peltier modules are used, along with fans and a wiping mechanism to increase water output. Testing showed a water output of approximately 5mL/hour. Potential reasons for the low output include a small Peltier cooling surface area and limitations of the Peltier modules used. The goal of the project is to provide a portable device for generating drinking water from atmospheric moisture.
IRJET- A Review on Green Technology in HVACIRJET Journal
This document discusses green technologies that can be applied to HVAC systems to improve their energy efficiency. It focuses on solar powered air conditioning and ice powered air conditioning as two examples. Solar powered air conditioning uses photovoltaic panels to generate electricity to power an air conditioning system, avoiding the need for electricity from fossil fuel power plants. Ice powered air conditioning takes advantage of cheaper nighttime electricity to make ice for cooling, which is then melted during the day to provide air conditioning when demand and costs are higher. Both approaches aim to utilize renewable energy sources like solar and off-peak electricity to reduce HVAC energy consumption and costs while maintaining indoor comfort.
Design of The Cooling System for Optimizing the Performance of Solar PanelIRJET Journal
This document describes the design and testing of three solar panel cooling systems. The cooling systems included two passive systems, one using an acrylic tank and the other using copper heat pipes and an aluminum heat sink. The third was an active water cooling system that pumped water over the solar panel surface. Experimental results showed that the water cooling system maintained the lowest solar panel temperatures, with panel temperatures around 60°C compared to 70°C without cooling. Cooling the panels in this way improved their electrical output and efficiency by reducing thermal losses at high temperatures.
IRJET- Water Purifier using Peltier ModuleIRJET Journal
This document presents a conceptual design for a smart water purification system that uses a peltier module to heat and cool water with low energy consumption. The system works by using the peltier effect - when a voltage is applied to a peltier module, one side heats up and the other cools down. In the design, water passes over the heating side to kill bacteria through heating, then over the cooling side to lower the temperature before consumption. Experimental results showed the peltier module could heat water to 93 degrees Celsius and cool it to 11 degrees Celsius while consuming only 85 watts of power. The low-power system allows water filtration without removing important minerals and provides a simpler, more eco-friendly alternative to
IRJET - Advance Hybrid Solar Energy Saver Heater with Electrical BackupIRJET Journal
1) The document discusses an advance hybrid solar energy saver heater that uses both solar and electrical power sources to heat water.
2) It provides hot water using solar energy captured by a collector and stored in an insulated tank, with an electric heating element as backup for rainy or cloudy days.
3) The system uses a thermostat to automatically turn the electric heating element on when water temperature drops below 50°C, heating it to 75-85°C and then turning off to save energy.
Enhancement of the output power generated from a hybrid solar thermal systemeSAT Journals
Abstract This paper investigates the output power and increased the efficiency of a hybrid Photovoltaic/ Thermal (PV/T) modules through utilizing the heat generated from the surface of panels by one axial tracking of the hybrid PV/Tsystem by means of zenith angle and decreasing the heat generated from the PV modules by controlling the flow rate of the system. A comparison between theoretical and experimental work results for fixed and tracking PV/T hybrid system is presented. Comsol software package used to simulate the electromagnetic waves produced by the sun through solving Maxwell's equations in three dimensions and the sun irradiance is assumed to be Gaussian distribution across the twelve mourning hours. Beside that an experimental work is presented depending on the results conjured from the theoretical experience used in Comsol Multiphysics In the second part of the experimental work, one axial sun-tracking system is designed where the movement of a photo-voltaic module is controlled to follow the Sun’s radiation using a Data acquisition card (DAQ) unit. Finally an active cooling system is designed and conducted to cool the fixed and tracking modules at which an absorber system consists of copper pipe welded with aluminium plate is attached underneath the PV modules to allow water flowing below the modules. In addition to the above an electrical analysis for both systems are presented where I-V, P-V, power with 12 mourning hour’s and electrical efficiency. Beside that the thermal analysis for the fixed and tracking PV modules and the piping water are presented where the input, output temperatures, the total energy of heat losses and thermal efficiency are calculated. As a result, a significant enhancement in the total electrical efficiency is observed with acceptable increase in the output water temperature. Keywords: Cooling systems; DAQ; Hybrid; Comsol Multiphysics; Mat lab; Solid work; Lab view.…
IRJET- Critical Analysis of Thermoelectric Cycle (Tri-Cycle)IRJET Journal
1) The document describes the critical analysis of a thermoelectric air conditioning system called a tri-cycle that can provide comfortable transport and delivery of goods.
2) It uses thermoelectric modules instead of harmful refrigerants like ammonia or CFCs that pollute the atmosphere and damage the ozone layer.
3) The thermoelectric air conditioning system has advantages over conventional systems like being compact, lightweight, having no moving parts so it does not wear out or leak refrigerants.
Solar photovoltaic/thermal air collector with mirrors for optimal tiltsIJECEIAES
This work is the result of a study of a photovoltaic/thermal air collector that concentrates solar radiation using two mobile mirrors to enhance electrical and thermal energy. The study is made for the site of Tetouan (Morocco) (longitude=-5°, latitude=35.25°) for a daily variation during typical days in May, June, September, and December, days considered as clear sky. To prove the effectiveness of the mirrors on the production of both electrical and thermal energy by the collector, we compared their electrical and thermal efficiency in two cases, without and with mirrors at the optimal positions. We validate the obtained simulation results by comparing them to the results from experimental studies published in the literature, for which a strong agreement was obtained. The model estimates the solar energy received by the hybrid collector during the day, to optimize the performance of the fixed collector, we have searched for the values of the optimal daily tilt angles of the two mirrors which allowed us to enhance the quantity of incoming solar radiation on the collector. The tilt angles depend on the sun’s elevation angle, the azimuth angle for typical days of the year.
IRJET - Portable Atmospheric Water GeneratorIRJET Journal
The document describes the design and testing of a portable atmospheric water generator. It uses thermoelectric Peltier modules to condense water from humid air by reducing the temperature of the air below the dew point. Four Peltier modules are used, along with fans and a wiping mechanism to increase water output. Testing showed a water output of approximately 5mL/hour. Potential reasons for the low output include a small Peltier cooling surface area and limitations of the Peltier modules used. The goal of the project is to provide a portable device for generating drinking water from atmospheric moisture.
Design and Development of BLDC Motor Operated Solar Based Peltier CoolingIRJET Journal
This document describes the design and development of a solar powered air cooler using a brushless DC (BLDC) motor. The system aims to provide cooling for rural areas facing power outages using a sustainable energy source. The system works by using solar panels to charge a battery which powers a BLDC motor driving a centrifugal fan. Cooling pads around the fan are wetted and the fan draws hot air through the pads, cooling it before releasing into the room. A peltier device is also used to further decrease air temperature before release. Test results showed the system able to lower ambient air temperature by up to 42°C on hot days, providing thermal comfort without using grid electricity.
This document discusses the design and analysis of an air-conditioned tricycle that uses thermoelectric cooling. The system uses multiple thermoelectric Peltier modules to absorb heat from the air and provide cooling. Rectangular fins and fiber sheets are used to improve heat transfer from the modules. The design is intended to provide cooling without using ozone-depleting refrigerants. Experimental results showed the thermoelectric system was able to achieve a cooling power of 50W per module with a coefficient of performance between 1.5-2. The document reviews several other studies on thermoelectric cooling systems and their advantages over traditional vapor-compression air conditioners.
Solid cooling and heating with help of peltier plate by using solar energy with the help of a micro controller. The cop of this refrigeration effect is always less than 1 because we in intake low grade thermal energy.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
1. The document describes the development of an inexpensive data logger using an Arduino board to collect and store data from solar water heating system regulators made by Resol.
2. The data logger collects measurements from multiple sensors connected to the regulator, including temperature, pump speed, and relay states, and stores the data on an SD card through the Arduino platform.
3. After testing the data logger on a solar water heating plant for a month, recording daily measurements, the data logger showed outstanding performance at an extremely low cost compared to industrial dataloggers.
Enhancing the Power and Efficiency of Photovoltaic Panel Using Heat Sinks wit...ZaidHussein6
The document describes a study that designed and tested a passive cooling system for photovoltaic solar panels using heat sinks with fans. The system aimed to improve the solar panel's power efficiency by lowering its operating temperature. Testing showed that using the cooling system decreased the solar cell's average temperature by 5°C, and increased the average output current by 9.34%, voltage by 7.03%, power by 13.34%, and efficiency by 11%. The cooling system consisted of a temperature sensor, microcontroller, two identical heat sinks with four fans each attached to the back of the solar cell panel.
This document provides information about a project report on refrigeration using a Peltier module. It includes an abstract, introduction, chapters on the basic theory of Peltier devices, materials used, construction and design, working and performance, advantages and disadvantages, cost analysis, and conclusion. The basic theory chapter describes the history of Peltiers, their structure, principles, specifications, applications, heat transport method, doping of semiconductors, and thermoelectric performance factors. It explains how a Peltier module uses the Peltier effect to absorb heat on one side and release it on the other side when a DC current is applied.
The document discusses the development of an air conditioner that uses thermoelectric Peltier modules for cooling rather than harmful refrigerants. Peltier modules operate based on the Peltier effect to absorb heat on one side and release heat on the other side by applying a voltage, providing cooling without emitting gases. The paper reviews prior research on thermoelectric air conditioners and describes the working principles and design of a Peltier-based air conditioner that could provide an environmentally-friendly alternative to conventional air conditioning systems.
Study of Thermoelectric Air Conditioning for AutomobilesIRJET Journal
This document discusses the study of using thermoelectric air conditioning for automobiles as an alternative to traditional HVAC systems. It begins by introducing thermoelectric modules, which can act as heat pumps using the Peltier effect to produce a temperature difference when current flows through them. Unlike traditional HVAC systems, thermoelectric air conditioning does not require compressors or pumps. The document then discusses the methodology, working principles based on the Peltier and Seebeck effects, configuration of thermoelectric modules, and aims to introduce a new HVAC system using thermoelectric modules to overcome disadvantages of existing systems such as environmental impact, energy efficiency, and cost.
IRJET- Electricity Generation by using Waste HeatIRJET Journal
This document summarizes a research paper that proposes using thermoelectric generators to convert waste heat into electricity. Thermoelectric generators directly convert temperature differences into electrical energy through the Seebeck effect. They have no moving parts but are less efficient than other heat engines. The document discusses using thermoelectric generators in power plants to convert waste heat, in cars to increase fuel efficiency, and in space probes powered by radioisotopes. It then provides details of an experiment conducted to test generating electricity from different heat sources and optimize output from a Peltier thermoelectric module. The document outlines the system setup, including components like a thermoelectric generator, regulator, battery, comparator, relay and PWM controller. It discusses advantages like being environment
Novel technique for maximizing the thermal efficiency of a hybrid pveSAT Journals
Abstract In this paper a comparison between numerical model and experimental work results for a fixed Photovoltaic/ Thermal (PV/T) hybrid system is presented. The simulation in this work is based on a numerical model in solving the equations and determining the Photovoltaic (PV) cells thermal characteristics using both MATLAB and COMSOL Multiphysics. COMSOL is simulating the electromagnetic waves produced by the Sun through solving Maxwell's equations in three dimensions using Finite Elements Methods (FEM) and the sun irradiance is assumed to be Gaussian distribution across the twelve mourning hours. Beside that an experimental work is presented depending on the results conjured from the theoretical experience used in Comsol Multiphysics. A Pulse Width Modulator (PWM) is used to control the solenoid valve operation. In addition to the above a thermal analysis for the fixed PV modules and the piping water is presented where the output water temperatures, rate of heat transfer, overall heat transfer coefficient and thermal efficiency are calculated. As a result, a significant enhancement in the total thermal efficiency is observed with acceptable increase in the output water temperature. Keywords: Cooling systems; DAQ; Hybrid; COMSOL MULTIPHYSICS; MATLAB; Solid work; Lab view.
IRJET- Optimization of Flat Plate Solar Collector with Novel Heat Collect...IRJET Journal
This document discusses optimizing a flat plate solar collector with novel heat collecting components through computational fluid dynamics (CFD) modeling and simulation. It focuses on applying an optimization technique to a flat plate solar collector using an aluminium heat collecting component consisting of a flat plate absorber integrated with heat pipes made of aluminium. The CFD simulation investigates the effect of water mass flow rate on the collector's collection efficiency. The results show that maximum efficiency is observed at an optimized flow rate of 0.15 kg/s. Temperature profiles from the simulation are presented and compared to experimental results, showing good agreement between the simulated and experimental variation of efficiency with water mass flow rate.
The document summarizes a project report on designing a thermoelectric powered car. It discusses using the Seebeck and Peltier effects to directly convert temperature differences into electricity using Peltier plates. The car would use heat from the environment to generate power for motors via a thermoelectric generator and heat sinks. The report outlines the concepts, principles, proposed design, requirements, applications and efficiency calculations for such a car. It aims to develop a practical model vehicle that can run solely on thermal energy without other fuel sources.
"Replacement of vapor compression system of domestic refrigerator by an eject...IRJET Journal
This document summarizes research on replacing vapor compression refrigeration systems with ejector refrigeration systems. It discusses how ejector refrigeration systems use low-grade waste heat as the power source, have fewer moving parts than compressors, and can help reduce greenhouse gas emissions. The document provides details on the design and testing of ejector refrigeration systems using various working fluids. It analyzes the performance of these systems and the impact of parameters like heat source temperature, refrigerant type, and ejector design on the system coefficient of performance.
This document summarizes an article from the International Journal of Mechanical Engineering and Technology that analyzes the performance of an oscillatory flow heat exchanger design for a hybrid solar water system. The study compares the performance of a commercial PV module versus a hybrid PV/T system with an oscillatory flow heat exchanger attached. Key findings include the hybrid system achieving a combined PV/T efficiency of 53.7% at a solar irradiance of 918 W/m2 and water flow rate of 0.035 kg/sec, representing an improvement over the commercial PV module alone. The hybrid system also achieved a higher PV module efficiency of 11.7% under these conditions due to cooling from the heat exchanger.
The document describes the design and working of a solar air cooler. It consists of the following main components: solar panels that convert sunlight to electricity, a battery that stores the solar energy, a DC motor powered by the battery, an impeller connected to the motor, and a DC water pump. During operation, the solar panels charge the battery with electricity. The DC motor runs the impeller blades and water pump which sprays and circulates cold water, producing a cold air stream. Together these components form a solar-powered air cooling system that reduces electricity usage compared to conventional air conditioners. The total estimated cost to build this solar air cooler is 5,200 INR.
Water condensation system based on thermoelectric coller using solar energyIJAAS Team
The main objective of the paper is to develop a water condensation system based on thermoelectric cooler using solar Energy to convert atmospheric moisture directly into usable and even drinking water. This idea can be extended further in future – For large scale implementation, RO and UV water filter can be used for producing such water that meets the standard of WHO and BIS easily. Peltier device has many types of models which are much efficient than TEC1. Those can be used. As the paper aims at producing water from atmosphere and keeping this device handy, large sized scrubbers are not used for better air filtration. Scrubbers can remove all the oxides from the air. For large implementation it can be handled. The concept of this paper can also be used as a better alternative in refrigeration science against conventional systems. It can also be observed in this way i.e. the usage of such low power semiconductor devices are indicating towards more prominent evolution of cooling engineering that is going to alter the whole scenario and myths about the power consumption of refrigeration science. Thus in near future we will be able to use such devices that are now limited within the paper.
ARM Based Climate Controlled Wearable JacketIJTET Journal
Thermo-electric (TE) technology is used in both electricity generation and air-conditioning. The Thermo-electric coolers(TEC) uses Peltier effect which converts the electrical energy applied from the ends of the Thermo-electric module into the temperature difference. The main objective of the work is to design a highly reliable and wearable jacket that controls extreme temperatures say working in thermal power plants, within the jacket. The extreme temperatures can be monitored using temperature sensors placed on both sides of the Thermo-electric cooler module and controlled using ARM LPC2148 Microcontroller. In Industries, this jacket provides a more practical and safer solutions for human working under extreme temperatures. Furthermore, this jacket can also be applied as a good warmer one for human beings working in cold regions(say Polar regions).
Solar Photovoltaic/Thermal Hybrid System: Seminar TopicKaran Prajapati
Solar Photovoltaic and Thermal hybrid system helps in optimizing the efficiency of solar pv panel by extracting the heat from the surface of PV module. So, we get electrical and thermal efficiency as product. Normally, water or air is used as working fluid. The seminar topic i.e. this presentation have literature reviews on four main research papers and respective major findings from them. I would recommend the viewers to download the presentation because there is resolution problem while viewing on this website.
The detailed report of this presentation can be seen at :- https://dx.doi.org/10.13140/RG.2.1.1435.3443
COMPUTATIONAL STUDY OF COOLING OF PV SOLAR PANEL USING FINNED HEAT PIPE TECHN...IAEME Publication
Various solar energy technologies exist and they have different application techniques in the generation of electrical power. The widespread use of photovoltaic (PV) modules in such
technologies has been relatively high costs and low efficiencies. The efficiency of PV panel decreases as the operating temperature increases. This is due to reflection from the top surface, absorption of heat by the parts other than the cell, absorption of heat from the other portion of the spectrum.
TUNNELING IN HIMALAYAS WITH NATM METHOD: A SPECIAL REFERENCES TO SUNGAL TUNNE...IRJET Journal
1) The document discusses the Sungal Tunnel project in Jammu and Kashmir, India, which is being constructed using the New Austrian Tunneling Method (NATM).
2) NATM involves continuous monitoring during construction to adapt to changing ground conditions, and makes extensive use of shotcrete for temporary tunnel support.
3) The methodology section outlines the systematic geotechnical design process for tunnels according to Austrian guidelines, and describes the various steps of NATM tunnel construction including initial and secondary tunnel support.
STUDY THE EFFECT OF RESPONSE REDUCTION FACTOR ON RC FRAMED STRUCTUREIRJET Journal
This study examines the effect of response reduction factors (R factors) on reinforced concrete (RC) framed structures through nonlinear dynamic analysis. Three RC frame models with varying heights (4, 8, and 12 stories) were analyzed in ETABS software under different R factors ranging from 1 to 5. The results showed that displacement increased as the R factor decreased, indicating less linear behavior for lower R factors. Drift also decreased proportionally with increasing R factors from 1 to 5. Shear forces in the frames decreased with higher R factors. In general, R factors of 3 to 5 produced more satisfactory performance with less displacement and drift. The displacement variations between different building heights were consistent at different R factors. This study evaluated how R factors influence
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This document describes the design and development of a solar powered air cooler using a brushless DC (BLDC) motor. The system aims to provide cooling for rural areas facing power outages using a sustainable energy source. The system works by using solar panels to charge a battery which powers a BLDC motor driving a centrifugal fan. Cooling pads around the fan are wetted and the fan draws hot air through the pads, cooling it before releasing into the room. A peltier device is also used to further decrease air temperature before release. Test results showed the system able to lower ambient air temperature by up to 42°C on hot days, providing thermal comfort without using grid electricity.
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Solid cooling and heating with help of peltier plate by using solar energy with the help of a micro controller. The cop of this refrigeration effect is always less than 1 because we in intake low grade thermal energy.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
1. The document describes the development of an inexpensive data logger using an Arduino board to collect and store data from solar water heating system regulators made by Resol.
2. The data logger collects measurements from multiple sensors connected to the regulator, including temperature, pump speed, and relay states, and stores the data on an SD card through the Arduino platform.
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Enhancing the Power and Efficiency of Photovoltaic Panel Using Heat Sinks wit...ZaidHussein6
The document describes a study that designed and tested a passive cooling system for photovoltaic solar panels using heat sinks with fans. The system aimed to improve the solar panel's power efficiency by lowering its operating temperature. Testing showed that using the cooling system decreased the solar cell's average temperature by 5°C, and increased the average output current by 9.34%, voltage by 7.03%, power by 13.34%, and efficiency by 11%. The cooling system consisted of a temperature sensor, microcontroller, two identical heat sinks with four fans each attached to the back of the solar cell panel.
This document provides information about a project report on refrigeration using a Peltier module. It includes an abstract, introduction, chapters on the basic theory of Peltier devices, materials used, construction and design, working and performance, advantages and disadvantages, cost analysis, and conclusion. The basic theory chapter describes the history of Peltiers, their structure, principles, specifications, applications, heat transport method, doping of semiconductors, and thermoelectric performance factors. It explains how a Peltier module uses the Peltier effect to absorb heat on one side and release it on the other side when a DC current is applied.
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This document discusses optimizing a flat plate solar collector with novel heat collecting components through computational fluid dynamics (CFD) modeling and simulation. It focuses on applying an optimization technique to a flat plate solar collector using an aluminium heat collecting component consisting of a flat plate absorber integrated with heat pipes made of aluminium. The CFD simulation investigates the effect of water mass flow rate on the collector's collection efficiency. The results show that maximum efficiency is observed at an optimized flow rate of 0.15 kg/s. Temperature profiles from the simulation are presented and compared to experimental results, showing good agreement between the simulated and experimental variation of efficiency with water mass flow rate.
The document summarizes a project report on designing a thermoelectric powered car. It discusses using the Seebeck and Peltier effects to directly convert temperature differences into electricity using Peltier plates. The car would use heat from the environment to generate power for motors via a thermoelectric generator and heat sinks. The report outlines the concepts, principles, proposed design, requirements, applications and efficiency calculations for such a car. It aims to develop a practical model vehicle that can run solely on thermal energy without other fuel sources.
"Replacement of vapor compression system of domestic refrigerator by an eject...IRJET Journal
This document summarizes research on replacing vapor compression refrigeration systems with ejector refrigeration systems. It discusses how ejector refrigeration systems use low-grade waste heat as the power source, have fewer moving parts than compressors, and can help reduce greenhouse gas emissions. The document provides details on the design and testing of ejector refrigeration systems using various working fluids. It analyzes the performance of these systems and the impact of parameters like heat source temperature, refrigerant type, and ejector design on the system coefficient of performance.
This document summarizes an article from the International Journal of Mechanical Engineering and Technology that analyzes the performance of an oscillatory flow heat exchanger design for a hybrid solar water system. The study compares the performance of a commercial PV module versus a hybrid PV/T system with an oscillatory flow heat exchanger attached. Key findings include the hybrid system achieving a combined PV/T efficiency of 53.7% at a solar irradiance of 918 W/m2 and water flow rate of 0.035 kg/sec, representing an improvement over the commercial PV module alone. The hybrid system also achieved a higher PV module efficiency of 11.7% under these conditions due to cooling from the heat exchanger.
The document describes the design and working of a solar air cooler. It consists of the following main components: solar panels that convert sunlight to electricity, a battery that stores the solar energy, a DC motor powered by the battery, an impeller connected to the motor, and a DC water pump. During operation, the solar panels charge the battery with electricity. The DC motor runs the impeller blades and water pump which sprays and circulates cold water, producing a cold air stream. Together these components form a solar-powered air cooling system that reduces electricity usage compared to conventional air conditioners. The total estimated cost to build this solar air cooler is 5,200 INR.
Water condensation system based on thermoelectric coller using solar energyIJAAS Team
The main objective of the paper is to develop a water condensation system based on thermoelectric cooler using solar Energy to convert atmospheric moisture directly into usable and even drinking water. This idea can be extended further in future – For large scale implementation, RO and UV water filter can be used for producing such water that meets the standard of WHO and BIS easily. Peltier device has many types of models which are much efficient than TEC1. Those can be used. As the paper aims at producing water from atmosphere and keeping this device handy, large sized scrubbers are not used for better air filtration. Scrubbers can remove all the oxides from the air. For large implementation it can be handled. The concept of this paper can also be used as a better alternative in refrigeration science against conventional systems. It can also be observed in this way i.e. the usage of such low power semiconductor devices are indicating towards more prominent evolution of cooling engineering that is going to alter the whole scenario and myths about the power consumption of refrigeration science. Thus in near future we will be able to use such devices that are now limited within the paper.
ARM Based Climate Controlled Wearable JacketIJTET Journal
Thermo-electric (TE) technology is used in both electricity generation and air-conditioning. The Thermo-electric coolers(TEC) uses Peltier effect which converts the electrical energy applied from the ends of the Thermo-electric module into the temperature difference. The main objective of the work is to design a highly reliable and wearable jacket that controls extreme temperatures say working in thermal power plants, within the jacket. The extreme temperatures can be monitored using temperature sensors placed on both sides of the Thermo-electric cooler module and controlled using ARM LPC2148 Microcontroller. In Industries, this jacket provides a more practical and safer solutions for human working under extreme temperatures. Furthermore, this jacket can also be applied as a good warmer one for human beings working in cold regions(say Polar regions).
Solar Photovoltaic/Thermal Hybrid System: Seminar TopicKaran Prajapati
Solar Photovoltaic and Thermal hybrid system helps in optimizing the efficiency of solar pv panel by extracting the heat from the surface of PV module. So, we get electrical and thermal efficiency as product. Normally, water or air is used as working fluid. The seminar topic i.e. this presentation have literature reviews on four main research papers and respective major findings from them. I would recommend the viewers to download the presentation because there is resolution problem while viewing on this website.
The detailed report of this presentation can be seen at :- https://dx.doi.org/10.13140/RG.2.1.1435.3443
COMPUTATIONAL STUDY OF COOLING OF PV SOLAR PANEL USING FINNED HEAT PIPE TECHN...IAEME Publication
Various solar energy technologies exist and they have different application techniques in the generation of electrical power. The widespread use of photovoltaic (PV) modules in such
technologies has been relatively high costs and low efficiencies. The efficiency of PV panel decreases as the operating temperature increases. This is due to reflection from the top surface, absorption of heat by the parts other than the cell, absorption of heat from the other portion of the spectrum.
Similar to Self Sufficient Atmospheric Water Generator using Renewable Energy (20)
TUNNELING IN HIMALAYAS WITH NATM METHOD: A SPECIAL REFERENCES TO SUNGAL TUNNE...IRJET Journal
1) The document discusses the Sungal Tunnel project in Jammu and Kashmir, India, which is being constructed using the New Austrian Tunneling Method (NATM).
2) NATM involves continuous monitoring during construction to adapt to changing ground conditions, and makes extensive use of shotcrete for temporary tunnel support.
3) The methodology section outlines the systematic geotechnical design process for tunnels according to Austrian guidelines, and describes the various steps of NATM tunnel construction including initial and secondary tunnel support.
STUDY THE EFFECT OF RESPONSE REDUCTION FACTOR ON RC FRAMED STRUCTUREIRJET Journal
This study examines the effect of response reduction factors (R factors) on reinforced concrete (RC) framed structures through nonlinear dynamic analysis. Three RC frame models with varying heights (4, 8, and 12 stories) were analyzed in ETABS software under different R factors ranging from 1 to 5. The results showed that displacement increased as the R factor decreased, indicating less linear behavior for lower R factors. Drift also decreased proportionally with increasing R factors from 1 to 5. Shear forces in the frames decreased with higher R factors. In general, R factors of 3 to 5 produced more satisfactory performance with less displacement and drift. The displacement variations between different building heights were consistent at different R factors. This study evaluated how R factors influence
A COMPARATIVE ANALYSIS OF RCC ELEMENT OF SLAB WITH STARK STEEL (HYSD STEEL) A...IRJET Journal
This study compares the use of Stark Steel and TMT Steel as reinforcement materials in a two-way reinforced concrete slab. Mechanical testing is conducted to determine the tensile strength, yield strength, and other properties of each material. A two-way slab design adhering to codes and standards is executed with both materials. The performance is analyzed in terms of deflection, stability under loads, and displacement. Cost analyses accounting for material, durability, maintenance, and life cycle costs are also conducted. The findings provide insights into the economic and structural implications of each material for reinforcement selection and recommendations on the most suitable material based on the analysis.
Effect of Camber and Angles of Attack on Airfoil CharacteristicsIRJET Journal
This document discusses a study analyzing the effect of camber, position of camber, and angle of attack on the aerodynamic characteristics of airfoils. Sixteen modified asymmetric NACA airfoils were analyzed using computational fluid dynamics (CFD) by varying the camber, camber position, and angle of attack. The results showed the relationship between these parameters and the lift coefficient, drag coefficient, and lift to drag ratio. This provides insight into how changes in airfoil geometry impact aerodynamic performance.
A Review on the Progress and Challenges of Aluminum-Based Metal Matrix Compos...IRJET Journal
This document reviews the progress and challenges of aluminum-based metal matrix composites (MMCs), focusing on their fabrication processes and applications. It discusses how various aluminum MMCs have been developed using reinforcements like borides, carbides, oxides, and nitrides to improve mechanical and wear properties. These composites have gained prominence for their lightweight, high-strength and corrosion resistance properties. The document also examines recent advancements in fabrication techniques for aluminum MMCs and their growing applications in industries such as aerospace and automotive. However, it notes that challenges remain around issues like improper mixing of reinforcements and reducing reinforcement agglomeration.
Dynamic Urban Transit Optimization: A Graph Neural Network Approach for Real-...IRJET Journal
This document discusses research on using graph neural networks (GNNs) for dynamic optimization of public transportation networks in real-time. GNNs represent transit networks as graphs with nodes as stops and edges as connections. The GNN model aims to optimize networks using real-time data on vehicle locations, arrival times, and passenger loads. This helps increase mobility, decrease traffic, and improve efficiency. The system continuously trains and infers to adapt to changing transit conditions, providing decision support tools. While research has focused on performance, more work is needed on security, socio-economic impacts, contextual generalization of models, continuous learning approaches, and effective real-time visualization.
Structural Analysis and Design of Multi-Storey Symmetric and Asymmetric Shape...IRJET Journal
This document summarizes a research project that aims to compare the structural performance of conventional slab and grid slab systems in multi-story buildings using ETABS software. The study will analyze both symmetric and asymmetric building models under various loading conditions. Parameters like deflections, moments, shears, and stresses will be examined to evaluate the structural effectiveness of each slab type. The results will provide insights into the comparative behavior of conventional and grid slabs to help engineers and architects select appropriate slab systems based on building layouts and design requirements.
A Review of “Seismic Response of RC Structures Having Plan and Vertical Irreg...IRJET Journal
This document summarizes and reviews a research paper on the seismic response of reinforced concrete (RC) structures with plan and vertical irregularities, with and without infill walls. It discusses how infill walls can improve or reduce the seismic performance of RC buildings, depending on factors like wall layout, height distribution, connection to the frame, and relative stiffness of walls and frames. The reviewed research paper analyzes the behavior of infill walls, effects of vertical irregularities, and seismic performance of high-rise structures under linear static and dynamic analysis. It studies response characteristics like story drift, deflection and shear. The document also provides literature on similar research investigating the effects of infill walls, soft stories, plan irregularities, and different
This document provides a review of machine learning techniques used in Advanced Driver Assistance Systems (ADAS). It begins with an abstract that summarizes key applications of machine learning in ADAS, including object detection, recognition, and decision-making. The introduction discusses the integration of machine learning in ADAS and how it is transforming vehicle safety. The literature review then examines several research papers on topics like lightweight deep learning models for object detection and lane detection models using image processing. It concludes by discussing challenges and opportunities in the field, such as improving algorithm robustness and adaptability.
Long Term Trend Analysis of Precipitation and Temperature for Asosa district,...IRJET Journal
The document analyzes temperature and precipitation trends in Asosa District, Benishangul Gumuz Region, Ethiopia from 1993 to 2022 based on data from the local meteorological station. The results show:
1) The average maximum and minimum annual temperatures have generally decreased over time, with maximum temperatures decreasing by a factor of -0.0341 and minimum by -0.0152.
2) Mann-Kendall tests found the decreasing temperature trends to be statistically significant for annual maximum temperatures but not for annual minimum temperatures.
3) Annual precipitation in Asosa District showed a statistically significant increasing trend.
The conclusions recommend development planners account for rising summer precipitation and declining temperatures in
P.E.B. Framed Structure Design and Analysis Using STAAD ProIRJET Journal
This document discusses the design and analysis of pre-engineered building (PEB) framed structures using STAAD Pro software. It provides an overview of PEBs, including that they are designed off-site with building trusses and beams produced in a factory. STAAD Pro is identified as a key tool for modeling, analyzing, and designing PEBs to ensure their performance and safety under various load scenarios. The document outlines modeling structural parts in STAAD Pro, evaluating structural reactions, assigning loads, and following international design codes and standards. In summary, STAAD Pro is used to design and analyze PEB framed structures to ensure safety and code compliance.
A Review on Innovative Fiber Integration for Enhanced Reinforcement of Concre...IRJET Journal
This document provides a review of research on innovative fiber integration methods for reinforcing concrete structures. It discusses studies that have explored using carbon fiber reinforced polymer (CFRP) composites with recycled plastic aggregates to develop more sustainable strengthening techniques. It also examines using ultra-high performance fiber reinforced concrete to improve shear strength in beams. Additional topics covered include the dynamic responses of FRP-strengthened beams under static and impact loads, and the performance of preloaded CFRP-strengthened fiber reinforced concrete beams. The review highlights the potential of fiber composites to enable more sustainable and resilient construction practices.
Survey Paper on Cloud-Based Secured Healthcare SystemIRJET Journal
This document summarizes a survey on securing patient healthcare data in cloud-based systems. It discusses using technologies like facial recognition, smart cards, and cloud computing combined with strong encryption to securely store patient data. The survey found that healthcare professionals believe digitizing patient records and storing them in a centralized cloud system would improve access during emergencies and enable more efficient care compared to paper-based systems. However, ensuring privacy and security of patient data is paramount as healthcare incorporates these digital technologies.
Review on studies and research on widening of existing concrete bridgesIRJET Journal
This document summarizes several studies that have been conducted on widening existing concrete bridges. It describes a study from China that examined load distribution factors for a bridge widened with composite steel-concrete girders. It also outlines challenges and solutions for widening a bridge in the UAE, including replacing bearings and stitching the new and existing structures. Additionally, it discusses two bridge widening projects in New Zealand that involved adding precast beams and stitching to connect structures. Finally, safety measures and challenges for strengthening a historic bridge in Switzerland under live traffic are presented.
React based fullstack edtech web applicationIRJET Journal
The document describes the architecture of an educational technology web application built using the MERN stack. It discusses the frontend developed with ReactJS, backend with NodeJS and ExpressJS, and MongoDB database. The frontend provides dynamic user interfaces, while the backend offers APIs for authentication, course management, and other functions. MongoDB enables flexible data storage. The architecture aims to provide a scalable, responsive platform for online learning.
A Comprehensive Review of Integrating IoT and Blockchain Technologies in the ...IRJET Journal
This paper proposes integrating Internet of Things (IoT) and blockchain technologies to help implement objectives of India's National Education Policy (NEP) in the education sector. The paper discusses how blockchain could be used for secure student data management, credential verification, and decentralized learning platforms. IoT devices could create smart classrooms, automate attendance tracking, and enable real-time monitoring. Blockchain would ensure integrity of exam processes and resource allocation, while smart contracts automate agreements. The paper argues this integration has potential to revolutionize education by making it more secure, transparent and efficient, in alignment with NEP goals. However, challenges like infrastructure needs, data privacy, and collaborative efforts are also discussed.
A REVIEW ON THE PERFORMANCE OF COCONUT FIBRE REINFORCED CONCRETE.IRJET Journal
This document provides a review of research on the performance of coconut fibre reinforced concrete. It summarizes several studies that tested different volume fractions and lengths of coconut fibres in concrete mixtures with varying compressive strengths. The studies found that coconut fibre improved properties like tensile strength, toughness, crack resistance, and spalling resistance compared to plain concrete. Volume fractions of 2-5% and fibre lengths of 20-50mm produced the best results. The document concludes that using a 4-5% volume fraction of coconut fibres 30-40mm in length with M30-M60 grade concrete would provide benefits based on previous research.
Optimizing Business Management Process Workflows: The Dynamic Influence of Mi...IRJET Journal
The document discusses optimizing business management processes through automation using Microsoft Power Automate and artificial intelligence. It provides an overview of Power Automate's key components and features for automating workflows across various apps and services. The document then presents several scenarios applying automation solutions to common business processes like data entry, monitoring, HR, finance, customer support, and more. It estimates the potential time and cost savings from implementing automation for each scenario. Finally, the conclusion emphasizes the transformative impact of AI and automation tools on business processes and the need for ongoing optimization.
Multistoried and Multi Bay Steel Building Frame by using Seismic DesignIRJET Journal
The document describes the seismic design of a G+5 steel building frame located in Roorkee, India according to Indian codes IS 1893-2002 and IS 800. The frame was analyzed using the equivalent static load method and response spectrum method, and its response in terms of displacements and shear forces were compared. Based on the analysis, the frame was designed as a seismic-resistant steel structure according to IS 800:2007. The software STAAD Pro was used for the analysis and design.
Cost Optimization of Construction Using Plastic Waste as a Sustainable Constr...IRJET Journal
This research paper explores using plastic waste as a sustainable and cost-effective construction material. The study focuses on manufacturing pavers and bricks using recycled plastic and partially replacing concrete with plastic alternatives. Initial results found that pavers and bricks made from recycled plastic demonstrate comparable strength and durability to traditional materials while providing environmental and cost benefits. Additionally, preliminary research indicates incorporating plastic waste as a partial concrete replacement significantly reduces construction costs without compromising structural integrity. The outcomes suggest adopting plastic waste in construction can address plastic pollution while optimizing costs, promoting more sustainable building practices.
Design and optimization of ion propulsion dronebjmsejournal
Electric propulsion technology is widely used in many kinds of vehicles in recent years, and aircrafts are no exception. Technically, UAVs are electrically propelled but tend to produce a significant amount of noise and vibrations. Ion propulsion technology for drones is a potential solution to this problem. Ion propulsion technology is proven to be feasible in the earth’s atmosphere. The study presented in this article shows the design of EHD thrusters and power supply for ion propulsion drones along with performance optimization of high-voltage power supply for endurance in earth’s atmosphere.
Discover the latest insights on Data Driven Maintenance with our comprehensive webinar presentation. Learn about traditional maintenance challenges, the right approach to utilizing data, and the benefits of adopting a Data Driven Maintenance strategy. Explore real-world examples, industry best practices, and innovative solutions like FMECA and the D3M model. This presentation, led by expert Jules Oudmans, is essential for asset owners looking to optimize their maintenance processes and leverage digital technologies for improved efficiency and performance. Download now to stay ahead in the evolving maintenance landscape.
Mechatronics is a multidisciplinary field that refers to the skill sets needed in the contemporary, advanced automated manufacturing industry. At the intersection of mechanics, electronics, and computing, mechatronics specialists create simpler, smarter systems. Mechatronics is an essential foundation for the expected growth in automation and manufacturing.
Mechatronics deals with robotics, control systems, and electro-mechanical systems.
Gas agency management system project report.pdfKamal Acharya
The project entitled "Gas Agency" is done to make the manual process easier by making it a computerized system for billing and maintaining stock. The Gas Agencies get the order request through phone calls or by personal from their customers and deliver the gas cylinders to their address based on their demand and previous delivery date. This process is made computerized and the customer's name, address and stock details are stored in a database. Based on this the billing for a customer is made simple and easier, since a customer order for gas can be accepted only after completing a certain period from the previous delivery. This can be calculated and billed easily through this. There are two types of delivery like domestic purpose use delivery and commercial purpose use delivery. The bill rate and capacity differs for both. This can be easily maintained and charged accordingly.
Use PyCharm for remote debugging of WSL on a Windo cf5c162d672e4e58b4dde5d797...shadow0702a
This document serves as a comprehensive step-by-step guide on how to effectively use PyCharm for remote debugging of the Windows Subsystem for Linux (WSL) on a local Windows machine. It meticulously outlines several critical steps in the process, starting with the crucial task of enabling permissions, followed by the installation and configuration of WSL.
The guide then proceeds to explain how to set up the SSH service within the WSL environment, an integral part of the process. Alongside this, it also provides detailed instructions on how to modify the inbound rules of the Windows firewall to facilitate the process, ensuring that there are no connectivity issues that could potentially hinder the debugging process.
The document further emphasizes on the importance of checking the connection between the Windows and WSL environments, providing instructions on how to ensure that the connection is optimal and ready for remote debugging.
It also offers an in-depth guide on how to configure the WSL interpreter and files within the PyCharm environment. This is essential for ensuring that the debugging process is set up correctly and that the program can be run effectively within the WSL terminal.
Additionally, the document provides guidance on how to set up breakpoints for debugging, a fundamental aspect of the debugging process which allows the developer to stop the execution of their code at certain points and inspect their program at those stages.
Finally, the document concludes by providing a link to a reference blog. This blog offers additional information and guidance on configuring the remote Python interpreter in PyCharm, providing the reader with a well-rounded understanding of the process.
VARIABLE FREQUENCY DRIVE. VFDs are widely used in industrial applications for...PIMR BHOPAL
Variable frequency drive .A Variable Frequency Drive (VFD) is an electronic device used to control the speed and torque of an electric motor by varying the frequency and voltage of its power supply. VFDs are widely used in industrial applications for motor control, providing significant energy savings and precise motor operation.