This document summarizes an experimental investigation of a double slope solar still with a latent heat storage medium. Key findings include:
1) Adding zinc nitrate hexahydrate, a phase change material, to the still's basin increased total daily distillate output by 33.5% compared to the still without PCM.
2) The glass covers of the still with PCM maintained higher temperatures than without PCM, especially in the afternoon, due to the thermal inertia of the PCM tubes.
3) Hourly output measurements found 34.7% higher daytime production and 31.7% higher nocturnal production with the PCM, demonstrating its ability to continue providing thermal energy after sunset
CFD Analysis of Single Basin Double Slope Solar Stilljournal ijrtem
Abstract : This paper deals with thethermal and CFD analysis of single basin double slope solar still. The modeling of still is done in solid works software and CFD analysis in ANSYS. CFD analysis for different months of solar irradiance was carried out. Maximum production rate and temperature distribution in the still was analyzed. Keywords: Double slope solar still, CFD analysis, solar irradiance, desalination system.
An Experimental Study on a New Design of Double Slope Solar Still with Extern...IOSR Journals
The world demand for potable water is increasing steadily with growing population. Desalination using solar energy is suitable for potable water production from brackish and seawater. In this paper, we presents design, fabrication and testing of double slope solar still with external flatted and internal parabolic reflectors and also optimization of external flat reflector tilt angle for Egyptian climatic conditions. The external flat reflector tilted at (30°, 45°, 60° and 75°) on the horizontal plane. The depth of water inside basin still is 1cm. Experimental results were compared with conventional double slope solar still. Optimum tilt angle is found to be 60° with a maximum daily productivity of 9.89 lit/m2.
THEORETICAL AND EXPERIMENTAL STUDIES ON STEPPED SOLAR STILLIAEME Publication
In the present work, an attempt has been made to study the performance of a solar still. Many thermal models were developed by researchers to predict the performance of solar still. Thermal models developed by Dunkle and by Tsilingiris to predict the performance of the still is considered for the present study. A stepped solar still is fabricated for experimental study in the premises of SHIATS Allahabad (U.P.) India. It is observed that the daily productivity of more than 5 kg is obtained by still area of 1 m2. It is further observed that the daily productivity predicted by Tsilingiris model is closer than the Dunkle model.
Thermal modelling and performance study of modified double slope solar stilleSAT Journals
Abstract
Solar distillation is a process of producing purified drinking water from brackish water by using the heat of solar radiation as the
feed to evaporate the impure water which on condensation gives the pure water. It is independent of electricity, a major portion of
which is generated from fossil fuel causing environmental pollution and relies completely on renewable source of energy like
solar radiation, thus making it environment friendly.
In this paper a modified double slope solar still (modified DSSS) has been designed by using Transparent Acrylic and opaque
Fibre Reinforced Plastic (FRP) as its body material with two toughened glass covers. The basin and north wall of modified DSSS
have been made by using FRP of thickness (0.005 m), whereas, its three sides (East, West and South walls) are made of
transparent Acrylic sheet of thickness (0.003 m) equivalent to that of FRP for the same heat loss, which results in increased input
solar radiation inside the solar still and improved performance but with low cost.
It is evident that, the inside space of solar still is filled with air and vapour molecules which can come in contact with inner
surfaces of walls and glass covers. The vapour molecules close to the walls strike it due to molecular collisions and stick to it to
release its heat for phase change from vapour to liquid during condensation process. Hence, five troughs (distillate collecting
channels) have been placed at inside surfaces of all its walls and glass covers. The yield has been collected from all the sides of
the solar still except north wall which acts heat absorber. The molecules which come in contact with north wall get additional
heat from it and get evaporated.
In this paper, a thermal model has been developed to predict theoretically the performance of MDSSS for the climatic condition of
MNNIT, Allahabad, India on 22nd May 2014. Expressions for water and glass temperatures and hourly yield for the modified
double slope solar distillation system have been derived analytically. It has been found that the total yield obtained from the
MDSSS in a period of 24 hour is 16 Kg of purified water from 25 Kg of brackish water which is about twice of that obtained from
conventional solar stills. Also the effect of solar radiation on the productivity of solar still has been analyzed.
Keywords: Equivalent Thickness, Molecular Collision, Double Slope Solar Still, Yield
An experimental investigation into the performance of a gi basin passive sola...eSAT Journals
Abstract Potable Water or Pure Drinking Water is essential to mankind and it is difficult to obtain fresh water at many places . The conventional methods available to purify Water are costly. Solar Energy is freely available and can be used as a very cheap option to purify Water through Solar Distillation, by using Solar Stills . The conventional Single Basin Passive Solar Still or Plain Basin Galvanized Iron (GI) Solar Still can be used to purify Water but the main problem is that the per square metre distillate output is less. Many methods have been used to increase the output of GI Basin Solar Still. Horizontal or Vertical Mesh made of GI can be used in the Basin of Solar Still to increase the distillate output. Outdoor Experiments were conducted at Nagpur, Maharashtra ,India (21.15⁰N, 79.09⁰E) for GI Basin Plain (Without Mesh) Solar Still, With Horizontal Mesh and With Vertical Mesh in the months of May-June and September-October. It was found that both the Mesh increase the distillate output considerably, in which the Horizontal Mesh gives an appreciable increase in the Average Distillate Output (about 400ml per day) and an increase of about 6% in the Average Distillation Efficiency whereas the Vertical Mesh gives a significant increase in the Average Distillate Output (about 1000ml per day) with an increase of about 13% in the Average Distillation Efficiency. The Vertical Mesh is very cheap and the payback period for the Vertical Mesh is hardly 3 months. Thus , the GI Basin Solar Still with Vertical Mesh gives a higher output and can be helpful in obtaining pure drinking water for communities , both cheaply and effectively. Key Words : GI Basin Solar Still, Distillate Output, Average Efficiency, Horizontal Mesh, Vertical Mesh
CFD Analysis of Single Basin Double Slope Solar Stilljournal ijrtem
Abstract : This paper deals with thethermal and CFD analysis of single basin double slope solar still. The modeling of still is done in solid works software and CFD analysis in ANSYS. CFD analysis for different months of solar irradiance was carried out. Maximum production rate and temperature distribution in the still was analyzed. Keywords: Double slope solar still, CFD analysis, solar irradiance, desalination system.
An Experimental Study on a New Design of Double Slope Solar Still with Extern...IOSR Journals
The world demand for potable water is increasing steadily with growing population. Desalination using solar energy is suitable for potable water production from brackish and seawater. In this paper, we presents design, fabrication and testing of double slope solar still with external flatted and internal parabolic reflectors and also optimization of external flat reflector tilt angle for Egyptian climatic conditions. The external flat reflector tilted at (30°, 45°, 60° and 75°) on the horizontal plane. The depth of water inside basin still is 1cm. Experimental results were compared with conventional double slope solar still. Optimum tilt angle is found to be 60° with a maximum daily productivity of 9.89 lit/m2.
THEORETICAL AND EXPERIMENTAL STUDIES ON STEPPED SOLAR STILLIAEME Publication
In the present work, an attempt has been made to study the performance of a solar still. Many thermal models were developed by researchers to predict the performance of solar still. Thermal models developed by Dunkle and by Tsilingiris to predict the performance of the still is considered for the present study. A stepped solar still is fabricated for experimental study in the premises of SHIATS Allahabad (U.P.) India. It is observed that the daily productivity of more than 5 kg is obtained by still area of 1 m2. It is further observed that the daily productivity predicted by Tsilingiris model is closer than the Dunkle model.
Thermal modelling and performance study of modified double slope solar stilleSAT Journals
Abstract
Solar distillation is a process of producing purified drinking water from brackish water by using the heat of solar radiation as the
feed to evaporate the impure water which on condensation gives the pure water. It is independent of electricity, a major portion of
which is generated from fossil fuel causing environmental pollution and relies completely on renewable source of energy like
solar radiation, thus making it environment friendly.
In this paper a modified double slope solar still (modified DSSS) has been designed by using Transparent Acrylic and opaque
Fibre Reinforced Plastic (FRP) as its body material with two toughened glass covers. The basin and north wall of modified DSSS
have been made by using FRP of thickness (0.005 m), whereas, its three sides (East, West and South walls) are made of
transparent Acrylic sheet of thickness (0.003 m) equivalent to that of FRP for the same heat loss, which results in increased input
solar radiation inside the solar still and improved performance but with low cost.
It is evident that, the inside space of solar still is filled with air and vapour molecules which can come in contact with inner
surfaces of walls and glass covers. The vapour molecules close to the walls strike it due to molecular collisions and stick to it to
release its heat for phase change from vapour to liquid during condensation process. Hence, five troughs (distillate collecting
channels) have been placed at inside surfaces of all its walls and glass covers. The yield has been collected from all the sides of
the solar still except north wall which acts heat absorber. The molecules which come in contact with north wall get additional
heat from it and get evaporated.
In this paper, a thermal model has been developed to predict theoretically the performance of MDSSS for the climatic condition of
MNNIT, Allahabad, India on 22nd May 2014. Expressions for water and glass temperatures and hourly yield for the modified
double slope solar distillation system have been derived analytically. It has been found that the total yield obtained from the
MDSSS in a period of 24 hour is 16 Kg of purified water from 25 Kg of brackish water which is about twice of that obtained from
conventional solar stills. Also the effect of solar radiation on the productivity of solar still has been analyzed.
Keywords: Equivalent Thickness, Molecular Collision, Double Slope Solar Still, Yield
An experimental investigation into the performance of a gi basin passive sola...eSAT Journals
Abstract Potable Water or Pure Drinking Water is essential to mankind and it is difficult to obtain fresh water at many places . The conventional methods available to purify Water are costly. Solar Energy is freely available and can be used as a very cheap option to purify Water through Solar Distillation, by using Solar Stills . The conventional Single Basin Passive Solar Still or Plain Basin Galvanized Iron (GI) Solar Still can be used to purify Water but the main problem is that the per square metre distillate output is less. Many methods have been used to increase the output of GI Basin Solar Still. Horizontal or Vertical Mesh made of GI can be used in the Basin of Solar Still to increase the distillate output. Outdoor Experiments were conducted at Nagpur, Maharashtra ,India (21.15⁰N, 79.09⁰E) for GI Basin Plain (Without Mesh) Solar Still, With Horizontal Mesh and With Vertical Mesh in the months of May-June and September-October. It was found that both the Mesh increase the distillate output considerably, in which the Horizontal Mesh gives an appreciable increase in the Average Distillate Output (about 400ml per day) and an increase of about 6% in the Average Distillation Efficiency whereas the Vertical Mesh gives a significant increase in the Average Distillate Output (about 1000ml per day) with an increase of about 13% in the Average Distillation Efficiency. The Vertical Mesh is very cheap and the payback period for the Vertical Mesh is hardly 3 months. Thus , the GI Basin Solar Still with Vertical Mesh gives a higher output and can be helpful in obtaining pure drinking water for communities , both cheaply and effectively. Key Words : GI Basin Solar Still, Distillate Output, Average Efficiency, Horizontal Mesh, Vertical Mesh
Researchers and Reviews on Active Solar Distillation Systemijsrd.com
Solar distillation is one of the most promising technologies for supplying potable water. Simply due to its lower productivity, it has limited application. Only, when solar distillation is coupled with any mechanical source, then it increased productivity. Such, the device is called active solar still. The present review paper shows researches done on a solar distillation system for increment in distillate output.
PERFORMANCE EVALUATION OF A SOLAR STILL COUPLED TO AN EVACUATED TUBE COLLECTO...IAEME Publication
Solar distillation is a promising method for the supply of freshwater to rural communities. Worldwide passive solar still is used for solar distillation plants due to its simplicity in construction and operation, low cost and however the yield is low. Various active methods have been developed to overcome this issue. These developments create additional costs for the system. The main objective of this project is to effectively utilize the solar water heater for solar still productivity enhancement, which works as a hybrid system.
Advantages and Disadvantages of Floating Solar PlantsMangeshK6
Floating solar panels are placed within lakes or other such still water bodies, fixed to a structure that keeps them above the surface of the water. The first patent for this type of floating solar technology was registered just recently in 2008. Since then, it has caught the attention of renowned construction companies and has been gaining popularity as a new alternative to other solar power plants. But, let’s take a closer look at what the pros and cons of this alternative are.
This paper presents Performance Enhancement of Solar Powered Floating Photovoltaic System using Arduino Approach. In the project, an Arduino nano as a main controller of the system. The objective of this project to monitor performance of the voltage, current and power output respectively. Furthermore, the prototype of the research is testing in two conditions: on water surface and on a land area. Based on the results, the power of the photovoltaic on the water surface is increased compared on the land area. The conclusion for this project is it can generate electricity using floating photovoltaic and the same time to monitor output of the system.
An overview of Floating Solar Plants in Water bodiesvivatechijri
Energy demand in this era has increased which led us to go for renewable energy sources; Solar
energy with this respect can fulfill the energy demand. This paper aims at review of the existing floating solar
plants worldwide with respect to their capacity. Floating solar plants can save the area for generation. Limitations
to such power plant are land availability, land development & land acquisition, substation capacities, evacuation
also timely clearances for the project on land and évacuation. These are hurdles for completion of the project.
Most of the locations projected by the government considering solar radiation data in the country are hot and dry
regions. Though at these locations the radiation appeared to be higher, the energy yield of these points is less due
to heating of the solar panels and higher temperature of the surface of solar cells. To overcome these problems
an innovative idea has come in front for installation of solar power plants on the water that is canal tops, water
bodies, lakes, dam backwater and reservoirs, which generally belongs to the government. This paper reveals
review regarding the floating solar PV power plants installed in the world
Solar energy is a natural source of energy and is tremendously abundant. The concept of floating solar is to fulfil and to support the existing energy supply in order to enhance the human life. The floating solar exploits the massive availability of ocean region and the severe unavailability of land. The main purpose of this paper is to evaluate the potential of floating solar to be deployed in coastal or infield in Malaysia. It was predicted that such system could generate around 14,530 MWh per annum in Malaysia. It can be concluded that floating solar could be one of the most important ocean structures in the future because it is reliable, flexible and has virtually low cost production comparing with other ocean structures.
This slide will help you to enables yours interest in Green and clean energy. As in india we have target to achive 175GW from this green and clean energy. So i introduce the concept of Solar Canal and Floating solar technology.
Floating Solar Panels A New Step towards Sustainabilityijtsrd
In recent years, associate increasing variety of states have shown interest in constructing floating solar energy plants as they seek for a renewable supply of energy. India is one amongst them. Endowed daylight all year round, India is a perfect location to construct a solar power plant. However, the recent climate conjointly causes country to lose great deal of valuable water resources from reservoirs thanks to high evaporation rates. As floating solar array systems are engineered over water bodies rather than land, they are proposed to have the extra advantage of reducing evaporation rates. thus, the utilization of floating solar systems is extremely relevant to India’s context and price exploring. Energy demand during this era has accumulated that led India to travel for renewable energy sources solar power with this respect will fulfill the energy demand. This paper focuses on an overview of solar floating panels which can be a good solution to India as the land acquisition for solar farms is limited. The paper also aims at the solar floating panels design model of Kerala which is a new start to the India’s renewable energy in water. Ar. Amber Shukla | Ms. Taruna Shukla | Ar. Shreya Rajkumar Acharya "Floating Solar Panels - A New Step towards Sustainability" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-2 , February 2021, URL: https://www.ijtsrd.com/papers/ijtsrd38346.pdf Paper Url: https://www.ijtsrd.com/engineering/architecture-and-planning/38346/floating-solar-panels--a-new-step-towards-sustainability/ar-amber-shukla
SgurrEnergy India offers 360° technical advisory and engineering services during the entire lifecycle of any utility scale solar PV projects worldwide.
EXPERIMENTAL INVESTIGATION OF A SOLAR STILL USING LAURIC ACID AS A ENERGY S...IAEME Publication
The solar still is a simple device used for obtaining fresh water for small scale demand. Due to intermittent nature of solar energy, solar still s are not continuous in nature. To make them operative for non-sunshine hours energy storage
mediums are used. In the present work an attempt has been made to utilize the energy storage capacity of Lauric acid to enhance the performance of solar still. Experiments were carried out on single basin double slope solar still in the premises of SHIATS, Allahabad in the month of February. It is observed that the nocturnal distillate output is increased by more than 17% when Lauricacid is used as energy storage medium.
Researchers and Reviews on Active Solar Distillation Systemijsrd.com
Solar distillation is one of the most promising technologies for supplying potable water. Simply due to its lower productivity, it has limited application. Only, when solar distillation is coupled with any mechanical source, then it increased productivity. Such, the device is called active solar still. The present review paper shows researches done on a solar distillation system for increment in distillate output.
PERFORMANCE EVALUATION OF A SOLAR STILL COUPLED TO AN EVACUATED TUBE COLLECTO...IAEME Publication
Solar distillation is a promising method for the supply of freshwater to rural communities. Worldwide passive solar still is used for solar distillation plants due to its simplicity in construction and operation, low cost and however the yield is low. Various active methods have been developed to overcome this issue. These developments create additional costs for the system. The main objective of this project is to effectively utilize the solar water heater for solar still productivity enhancement, which works as a hybrid system.
Advantages and Disadvantages of Floating Solar PlantsMangeshK6
Floating solar panels are placed within lakes or other such still water bodies, fixed to a structure that keeps them above the surface of the water. The first patent for this type of floating solar technology was registered just recently in 2008. Since then, it has caught the attention of renowned construction companies and has been gaining popularity as a new alternative to other solar power plants. But, let’s take a closer look at what the pros and cons of this alternative are.
This paper presents Performance Enhancement of Solar Powered Floating Photovoltaic System using Arduino Approach. In the project, an Arduino nano as a main controller of the system. The objective of this project to monitor performance of the voltage, current and power output respectively. Furthermore, the prototype of the research is testing in two conditions: on water surface and on a land area. Based on the results, the power of the photovoltaic on the water surface is increased compared on the land area. The conclusion for this project is it can generate electricity using floating photovoltaic and the same time to monitor output of the system.
An overview of Floating Solar Plants in Water bodiesvivatechijri
Energy demand in this era has increased which led us to go for renewable energy sources; Solar
energy with this respect can fulfill the energy demand. This paper aims at review of the existing floating solar
plants worldwide with respect to their capacity. Floating solar plants can save the area for generation. Limitations
to such power plant are land availability, land development & land acquisition, substation capacities, evacuation
also timely clearances for the project on land and évacuation. These are hurdles for completion of the project.
Most of the locations projected by the government considering solar radiation data in the country are hot and dry
regions. Though at these locations the radiation appeared to be higher, the energy yield of these points is less due
to heating of the solar panels and higher temperature of the surface of solar cells. To overcome these problems
an innovative idea has come in front for installation of solar power plants on the water that is canal tops, water
bodies, lakes, dam backwater and reservoirs, which generally belongs to the government. This paper reveals
review regarding the floating solar PV power plants installed in the world
Solar energy is a natural source of energy and is tremendously abundant. The concept of floating solar is to fulfil and to support the existing energy supply in order to enhance the human life. The floating solar exploits the massive availability of ocean region and the severe unavailability of land. The main purpose of this paper is to evaluate the potential of floating solar to be deployed in coastal or infield in Malaysia. It was predicted that such system could generate around 14,530 MWh per annum in Malaysia. It can be concluded that floating solar could be one of the most important ocean structures in the future because it is reliable, flexible and has virtually low cost production comparing with other ocean structures.
This slide will help you to enables yours interest in Green and clean energy. As in india we have target to achive 175GW from this green and clean energy. So i introduce the concept of Solar Canal and Floating solar technology.
Floating Solar Panels A New Step towards Sustainabilityijtsrd
In recent years, associate increasing variety of states have shown interest in constructing floating solar energy plants as they seek for a renewable supply of energy. India is one amongst them. Endowed daylight all year round, India is a perfect location to construct a solar power plant. However, the recent climate conjointly causes country to lose great deal of valuable water resources from reservoirs thanks to high evaporation rates. As floating solar array systems are engineered over water bodies rather than land, they are proposed to have the extra advantage of reducing evaporation rates. thus, the utilization of floating solar systems is extremely relevant to India’s context and price exploring. Energy demand during this era has accumulated that led India to travel for renewable energy sources solar power with this respect will fulfill the energy demand. This paper focuses on an overview of solar floating panels which can be a good solution to India as the land acquisition for solar farms is limited. The paper also aims at the solar floating panels design model of Kerala which is a new start to the India’s renewable energy in water. Ar. Amber Shukla | Ms. Taruna Shukla | Ar. Shreya Rajkumar Acharya "Floating Solar Panels - A New Step towards Sustainability" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-5 | Issue-2 , February 2021, URL: https://www.ijtsrd.com/papers/ijtsrd38346.pdf Paper Url: https://www.ijtsrd.com/engineering/architecture-and-planning/38346/floating-solar-panels--a-new-step-towards-sustainability/ar-amber-shukla
SgurrEnergy India offers 360° technical advisory and engineering services during the entire lifecycle of any utility scale solar PV projects worldwide.
EXPERIMENTAL INVESTIGATION OF A SOLAR STILL USING LAURIC ACID AS A ENERGY S...IAEME Publication
The solar still is a simple device used for obtaining fresh water for small scale demand. Due to intermittent nature of solar energy, solar still s are not continuous in nature. To make them operative for non-sunshine hours energy storage
mediums are used. In the present work an attempt has been made to utilize the energy storage capacity of Lauric acid to enhance the performance of solar still. Experiments were carried out on single basin double slope solar still in the premises of SHIATS, Allahabad in the month of February. It is observed that the nocturnal distillate output is increased by more than 17% when Lauricacid is used as energy storage medium.
Experimental Investigation of Solar Water Heater Integrated with a Nanocompos...ijtsrd
This present work contributes to the improvement in thermal energy storage capacity of an all glass evacuated tube solar water heater by integrating it with a phase change material PCM and with a nanocomposite phase change material NCPCM .. Paraffin wax as PCM and a nanocomposite of paraffin wax with 1.0 mass GeO2 nanoparticles as NCPCM had been used during the experiments. Three different cases, namely, without PCM, with PCM, and with NCPCM, were considered. The testing procedure involved the observation of total temperature variation in the tank water from 6.00 a.m. to 6.00 a.m. of next morning.OBJECTIVEThe main objective of my project is to increase the performance of solar water heater integrated storage tank with PCM and NCPCM which would serve the varying demands. Shashi Kumar | Prof. Ranjeet Arya "Experimental Investigation of Solar Water Heater Integrated with a Nanocomposite Phase Change Material" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-6 , October 2020, URL: https://www.ijtsrd.com/papers/ijtsrd35820.pdf Paper Url: https://www.ijtsrd.com/engineering/mechanical-engineering/35820/experimental-investigation-of-solar-water-heater-integrated-with-a-nanocomposite-phase-change-material/shashi-kumar
Time-dependent hydraulic conductivity during secondary consolidation of clayinventionjournals
Secondary consolidation occurs when excess pore pressure has dissipated in saturated compressible clay soils subjected to increased effective stress by the application of external loads. This paper provides time-dependent formulas for the hydraulic conductivity and the porosity during secondary consolidation. The formulas express the hydraulic conductivity and the porosity in terms of the void ratio during secondary consolidation. The intervening functional coefficients are obtainable from 1-D consolidation testing. An example illustrates the application of this paper’s results.
Design of Solar Pond calculation and technique in AfricaIOSR Journals
Abstract: Extracting energy from the sun has revolutionized the global energy industry. Different literatures
have been reviewed to give an appropriate theory and mathematical model for the design of solar pond in
Africa.The location chosen is Cairo,Egypt due to high annual solar radiation,feasible land, and fresh water
conditions and cost effective. Energy balance equations have been computed from different case studies to show
the factors affecting the efficiency of the solar pond such as effect of density, temperature, solar radiation,
insulation thickness and depth of different layers .Optimum conditions for the design of a solar pond have been
determined such as the thickness of the upper layer should not be more than 0.3m whereas the optimum
thickness of gradient zone should be1-1.5m and the storage zone should be 1-4m.The main constraints in the
design of a solar pond are different heat losses.But however, different techniques have been discussed for
reducing the heat losses such as black painted concrete slab and concrete walls for minimizing the bottom
losses and using a polystyrene top cover for reducing evaporation losses during night, winters and autumn. This
technique can be very useful for the people of Africa specially dwelling in rural areas.
Keywords: Design, Solar Pond,RenewableEnergy
EXPERIMENTAL STUDY OF A TUBULAR SOLAR STILL WITH PHASE CHANGE MATERIAL IAEME Publication
Experiments were carried out on tubular solar still in Allahabad climate conditions. Energy storage medium is used in still to produce distillate in the off sunshine hours .A correlation is
developed for the productivity of a still using experimental results .The proposed correlation has been validated with the experimental results .The regression coefficient approaches to unity and the correlation may be perfect positive with least error .
PERFORMANCE STUDY OF A PHASE CHANGE MATERIAL ASSISTED SOLAR STILLIAEME Publication
A Solar still is a simple device, which is used to produce drinking water using energy of sun. Its low productivity is of great concern. Lauric acid is used as energy storage medium in the solar still to produce drinking water in the off sunshine hours. To examine the effects of use of PCM in the solar still for same total daily solar intensity on energy and exergy efficiency, experiments were carried out on two similar double slope solar still at Allahabad (250 28ꞌN, 810 54ꞌE) U.P. India. PCM is used in one of the still for the purpose of comparison with conventional still. It is observed that the exergy efficiency increases by 40% when lauric acid is used as energy storage medium in the solar still.
Thermal Performance Evaluation of Wax Type Solar Distillation SystemIOSRJMCE
The alternative energy sources are new option in front of world to overcome energy crisis and pollution related issues. The solar energy, wind energy and bio mass are three major sources and out of these three energy sources solar energy is the easiest source to extract useful energy because the wind energy can be useful particularly in coastal area where there is high wind velocity and energy extraction bio mass needs either chemical conversion or thermo chemical conversion process. The objective of present work is to developed solar distillation system consists of wax as phase change material to improve the thermal performance.
An approach to reduce cooling water consumption in thermal power plant by vap...dbpublications
Low water levels in feeder canals of thermal power plants causes shut down of power generations for a few days in the last few years. Apart from that the „Central Electricity Authority‟ produced a report on minimizing the overall water requirement of coal based thermal power stations, and as the report tells that a major proportion of the total water requirement of the power stations is the cooling water used.In this paper we made an attempt to perform a thermodynamic study and analysis of a 250 MW thermal power plant, to reduce the mass flow of cooling water by decreasing its temperature with the help of solar powered refrigeration system. So, here we are going to study an analytical mathematical model of a vapor absorption refrigeration system, and we will try to optimize it‟s control parameters using Taguchi L9 orthogonal array. where the cooling water coming from the cooling tower enters into a solar refrigeration system before entering to the condenser of the power plant. , and we will try to optimize it‟s control parameters using Taguchi L9 orthogonal array. As the temperature of the cooling water drops down because of the refrigeration system, the overall requirement of cooling water reduces. A mathematical model of amount of cooling water flow per second is made in this paper using Taguchi analysis.
Tech transfer making it as a risk free approach in pharmaceutical and biotech iniaemedu
Tech transfer is a common methodology for transferring new products or an existing
commercial product to R&D or to another manufacturing site. Transferring product knowledge to the
manufacturing floor is crucial and it is an ongoing approach in the pharmaceutical and biotech
industry. Without adopting this process, no company can manufacture its niche products, let alone
market them. Technology transfer is a complicated, process because it is highly cross functional. Due
to its cross functional dependence, these projects face numerous risks and failure. If anidea cannot be
successfully brought out in the form of a product, there is no customer benefit, or satisfaction.
Moreover, high emphasis is in sustaining manufacturing with highest quality each and every time. It
is vital that tech transfer projects need to be executed flawlessly. To accomplish this goal, risk
management is crucial and project team needs to use the risk management approach seamlessly.