The document discusses psychrometry, which is the study of properties of air and water vapor mixtures. It defines key terms like dry air, moist air, saturated air, humidity, absolute humidity, relative humidity, dry bulb temperature, and wet bulb temperature. Dry bulb temperature refers to the usual temperature reading in a thermometer, while wet bulb temperature is lower and accounts for evaporative cooling effects from a wet wick. Relative humidity compares the actual water vapor content in air to the maximum it could hold at the same temperature and pressure. The document provides background on the composition of dry air and the various processes involved in psychrometric analysis.
67243 cooling and heating & calculationA.M. ATIQULLAH
The document discusses heat gain in air conditioning systems. It describes the three main sources of internal heat gain: from products or processes in the space, from occupants, and from appliances used in the space. Heat gain from products is calculated based on the quantity, specific heat, and temperature difference of the products. Heat gain from occupants considers the number of people and their activity levels. Appliances like computers, dryers, and TVs that are used in the conditioned space also contribute to internal heat gain. It emphasizes the importance of considering the chilling rate factor when calculating heat gains, as products may not reach design temperature immediately during initial cooling.
67243- cooling and heating & calculationA.M. ATIQULLAH
The document discusses cooling and heating load calculation. It lists the components of total cooling load for air conditioning such as building structure, internal loads, people load, air change load, and supplementary load. A safety factor of 5-10% is usually added to the total cooling load to account for inaccuracies. The meaning of plant capacity is explained as the capacity required to meet the total calculated cooling load while running the refrigeration or air conditioning system continuously for 24 hours. Procedures for calculating the cooling and heating loads and refrigeration plant capacity are also described.
67243 -cooling and heating load calculationA.M. ATIQULLAH
The document provides information about internal heat loads in air conditioning, including heat gain from products, occupants, and appliances. Heat gain from products refers mainly to the heat generated by various types of stored goods. The heat gain from occupants considers the metabolic heat and sensible heat generated by the number of people present. Small appliances that are commonly used in conditioned spaces, such as computers, dryers, TVs, are also sources of heat gain. The importance of considering the chilling rate factor when calculating heat loads from products or appliances is emphasized, as the initial cooling load rate is typically 1.5 times higher than steady-state rate.
Chapter 7(Understand the concept of heating load calculation)A.M. ATIQULLAH
The document discusses factors involved with heat loss in winter air conditioning. Some key factors are poor airflow, lack of maintenance, clogged or dirty ducts, and faulty thermostats. Insulation is also an important factor, as heat will escape if insulation is not functioning properly. Maintaining and replacing insulation as needed can help reduce heat loss. Properly addressing these various factors can improve the efficiency of air conditioners during winter.
67243 cooling and heating & calculationA.M. ATIQULLAH
This document provides information about an upcoming presentation on cooling and heating load calculation. It lists the objectives of understanding aspects of cooling and heating loads, building surveys, and calculating external and internal loads. It also covers psychrometric charts, solar heat gain calculation, refrigeration plant capacity, and equipment selection. References for several textbooks on refrigeration and air conditioning are provided.
67243 cooling and heating load calculationA.M. ATIQULLAH
This document contains information from an instructor on calculating solar heat load. It begins with introducing key concepts like direct and diffuse radiation. It then provides formulas and equations for calculating various components of solar radiation heat gain, such as the direct radiation on a surface based on its orientation and location. These include equations for calculating solar intensity, azimuth, declination, and more. The document aims to explain the methodology for computing the total solar heat load on a building or structure.
67243 cooling and heating load calculationA.M. ATIQULLAH
বিষয় কোডঃ ৬৭২৪৩
বিষয়ঃ কুলিং অ্যান্ড হিটিং লোড ক্যালকুলেশন
অধ্যায়ঃ- ৪ (বিল্ডিং সার্ভের মাধ্যমে শীতাতপ নিয়ন্ত্রণ ব্যবস্থার হিট লোড নির্ণ্য়)
উপস্থাপনায়ঃ
আবু মোহাম্মদ আতিকুল্যা
ইন্সট্রাক্টর (টেক্) আর এসি
ঢাকা পলিটেকনিক ইন্সটিটিউট,
তেজগাঁও,ঢাকা-১২০৮।
Subject Code: 67243
Subject: Cooling And Heating Load Calculation
Chapter: 04 (Understand the Building Survey for Air Conditioning Heat Load)
Presented By: A.M.ATIQULLAH.
Instructor(Tech) RAC
Dhaka Polytechnic Institute,
Tejgaon,Dhaka-1208.
67243 cooling and heating & calculationA.M. ATIQULLAH
The document discusses heat gain in air conditioning systems. It describes the three main sources of internal heat gain: from products or processes in the space, from occupants, and from appliances used in the space. Heat gain from products is calculated based on the quantity, specific heat, and temperature difference of the products. Heat gain from occupants considers the number of people and their activity levels. Appliances like computers, dryers, and TVs that are used in the conditioned space also contribute to internal heat gain. It emphasizes the importance of considering the chilling rate factor when calculating heat gains, as products may not reach design temperature immediately during initial cooling.
67243- cooling and heating & calculationA.M. ATIQULLAH
The document discusses cooling and heating load calculation. It lists the components of total cooling load for air conditioning such as building structure, internal loads, people load, air change load, and supplementary load. A safety factor of 5-10% is usually added to the total cooling load to account for inaccuracies. The meaning of plant capacity is explained as the capacity required to meet the total calculated cooling load while running the refrigeration or air conditioning system continuously for 24 hours. Procedures for calculating the cooling and heating loads and refrigeration plant capacity are also described.
67243 -cooling and heating load calculationA.M. ATIQULLAH
The document provides information about internal heat loads in air conditioning, including heat gain from products, occupants, and appliances. Heat gain from products refers mainly to the heat generated by various types of stored goods. The heat gain from occupants considers the metabolic heat and sensible heat generated by the number of people present. Small appliances that are commonly used in conditioned spaces, such as computers, dryers, TVs, are also sources of heat gain. The importance of considering the chilling rate factor when calculating heat loads from products or appliances is emphasized, as the initial cooling load rate is typically 1.5 times higher than steady-state rate.
Chapter 7(Understand the concept of heating load calculation)A.M. ATIQULLAH
The document discusses factors involved with heat loss in winter air conditioning. Some key factors are poor airflow, lack of maintenance, clogged or dirty ducts, and faulty thermostats. Insulation is also an important factor, as heat will escape if insulation is not functioning properly. Maintaining and replacing insulation as needed can help reduce heat loss. Properly addressing these various factors can improve the efficiency of air conditioners during winter.
67243 cooling and heating & calculationA.M. ATIQULLAH
This document provides information about an upcoming presentation on cooling and heating load calculation. It lists the objectives of understanding aspects of cooling and heating loads, building surveys, and calculating external and internal loads. It also covers psychrometric charts, solar heat gain calculation, refrigeration plant capacity, and equipment selection. References for several textbooks on refrigeration and air conditioning are provided.
67243 cooling and heating load calculationA.M. ATIQULLAH
This document contains information from an instructor on calculating solar heat load. It begins with introducing key concepts like direct and diffuse radiation. It then provides formulas and equations for calculating various components of solar radiation heat gain, such as the direct radiation on a surface based on its orientation and location. These include equations for calculating solar intensity, azimuth, declination, and more. The document aims to explain the methodology for computing the total solar heat load on a building or structure.
67243 cooling and heating load calculationA.M. ATIQULLAH
বিষয় কোডঃ ৬৭২৪৩
বিষয়ঃ কুলিং অ্যান্ড হিটিং লোড ক্যালকুলেশন
অধ্যায়ঃ- ৪ (বিল্ডিং সার্ভের মাধ্যমে শীতাতপ নিয়ন্ত্রণ ব্যবস্থার হিট লোড নির্ণ্য়)
উপস্থাপনায়ঃ
আবু মোহাম্মদ আতিকুল্যা
ইন্সট্রাক্টর (টেক্) আর এসি
ঢাকা পলিটেকনিক ইন্সটিটিউট,
তেজগাঁও,ঢাকা-১২০৮।
Subject Code: 67243
Subject: Cooling And Heating Load Calculation
Chapter: 04 (Understand the Building Survey for Air Conditioning Heat Load)
Presented By: A.M.ATIQULLAH.
Instructor(Tech) RAC
Dhaka Polytechnic Institute,
Tejgaon,Dhaka-1208.
প্রথম বর্ষ, প্রথম পর্ব, রেফ্রিজারেশন অ্যান্ড এয়ার কন্ডিশনিং টেকনোলজি (আর এটি) উপস্থাপনায়: আবু মোহাম্মদ আতিকুল্যা
ইন্সট্রাক্টর (টেক্) আর এসি, ঢাকা পলিটেকনিক ইন্সটিটিউট,তেজগাঁও শিি/এ, ঢাকা-১২০৮।
UN Environment is inviting Mr. Atiqullah to attend an intensive training workshop on R290-based room air conditioners in Guangzhou, China from November 22-24, 2018. The workshop will provide training on best practices and maintenance procedures for R290 air conditioners. UN Environment will cover the costs of airfare and daily subsistence allowance for participants according to UN rules. Participants are responsible for obtaining a Chinese visa and any travel/health insurance.
This document summarizes an experiment on the impact of jets using a hydraulic bench. The experiment aims to demonstrate that the force on a vane is proportional to the rate of delivery of momentum from a jet. Students collect data on the distance moved by a jockey weight under different flow rates. The results show the force on the vane increases linearly with the rate of delivery of momentum from the jet, consistent with theoretical expectations, although actual forces measured are slightly lower than predicted.
Chapter 5 ( understand the external heat load for cooling load calculation) d...A.M. ATIQULLAH
4th semester diploma in engineering refrigeration and air conditioning technology (RAT) Chapter-05 ( understand the external heat load for cooling load calculation)
4th semester diploma in engineering refrigeration and air conditioning technology(RAT) Chapter-05(understand the external heat load for cooling load calculation)
বিষয় কোডঃ ৬৭২৪৩
বিষয়ঃ কুলিং অ্যান্ড হিটিং লোড ক্যালকুলেশন
অধ্যায়ঃ- ৪ (বিল্ডিং সার্ভের মাধ্যমে শীতাতপ নিয়ন্ত্রণ ব্যবস্থার হিট লোড নির্ণ্য়)
উপস্থাপনায়ঃ
আবু মোহাম্মদ আতিকুল্যা
ইন্সট্রাক্টর (টেক্) আর এসি
ঢাকা পলিটেকনিক ইন্সটিটিউট,
তেজগাঁও,ঢাকা-১২০৮।
Subject Code: 67243
Subject: Cooling And Heating Load Calculation
Chapter: 04 (Understand the Building Survey for Air Conditioning Heat Load)
Presented By: A.M.ATIQULLAH.
Instructor(Tech) RAC
Dhaka Polytechnic Institute,
Tejgaon,Dhaka-1208.
This presentation template provides instructions for editing and using the template in PowerPoint or Google Slides. It contains various slides demonstrating design elements like quotes, images, diagrams, tables, and icons that can be used in a presentation. The final slides thank the audience and provide credits for resources used in the template. The presentation is meant to serve as an example of best practices and elements that can be included in presentations.
This document summarizes a presentation by A.M. Atiqullah from Batch 11, Group B. It outlines three best plans of action, including developing a refrigeration and air conditioning lab for students by June 2018, providing competence-based learning activities in the lab within six months, and developing a chemistry lab within six months. It also briefly lists the key learnings from NYP and seven total plans of action, such as developing additional labs, student career development, and increasing practical based learning.
1. The document discusses heat transfer through building structures via conduction. It describes how heat is conducted through walls, floors, ceilings, and other building components.
2. It explains the three primary modes of heat transfer: conduction, convection, and radiation. Conduction involves heat transfer at a molecular level through direct contact. Convection involves heat transfer via mass movement. Radiation involves heat transfer via electromagnetic waves.
3. It provides key equations for calculating conduction heat transfer rates through building walls and discusses factors like surface area, temperature difference, and transmittance value.
67243 cooling and heating & calculationA.M. ATIQULLAH
The document discusses heat gain through building structures via conduction. It describes how heat is transferred through exterior walls, roofs, windows, and doors due to temperature differences. It explains that the solar radiation absorbed by outside surfaces of walls and roofs increases their temperature above the outside air temperature, which is known as the solar air temperature. The heat gain through walls and roofs can be calculated using the CLTD method, which factors in the surface area, overall U-value, and CLTD value from tables based on location and time of day. Infiltration through doors and windows also contributes to heat gain as outside air flows into the building.
Chapter 5 (Understand the external heat load for cooling load calculation) dt...A.M. ATIQULLAH
1. The document discusses heat transfer through building structures via conduction and describes the various external heat loads to consider for cooling load calculations, including solar heat gain.
2. It explains that heat transfer occurs through conduction within building materials on a molecular level, convection through air movement, and radiation through electromagnetic waves.
3. Methods of calculating conduction heat transfer rate through walls using surface area, transmittance value, and temperature difference are presented.
67243 cooling and heating & calculationA.M. ATIQULLAH
1. The document discusses building survey for air conditioning heat load calculation. It explains that a building survey needs to be conducted to understand the various heat sources in the building in order to accurately estimate the heat load.
2. Physical factors that need to be considered during the survey include heat from lights, fans, people, plugs and sockets. Ventilation heat, outside air temperature, and wall/roof heat transmission should also be accounted for.
3. Standard charts and tables from organizations like ASHRAE, ARI and Carrier provide data on ventilation heat, outside air heat, and heat from common building elements to simplify heat load calculations.
67243 cooling and heating load calculationA.M. ATIQULLAH
The document discusses psychrometry, which is the study of properties of air and water vapor mixtures. It defines key terms like dry air, moist air, saturated air, humidity, absolute humidity, relative humidity, dry bulb temperature, and wet bulb temperature. Dry bulb temperature refers to the usual temperature reading in a thermometer, while wet bulb temperature is lower and accounts for evaporative cooling effects from a wet wick. Relative humidity compares the actual water vapor content in air to the maximum it could hold at the same temperature and pressure. The psychrometric chart graphs these properties and is used to analyze air conditioning processes.
প্রথম বর্ষ, প্রথম পর্ব, রেফ্রিজারেশন অ্যান্ড এয়ার কন্ডিশনিং টেকনোলজি (আর এটি) উপস্থাপনায়: আবু মোহাম্মদ আতিকুল্যা
ইন্সট্রাক্টর (টেক্) আর এসি, ঢাকা পলিটেকনিক ইন্সটিটিউট,তেজগাঁও শিি/এ, ঢাকা-১২০৮।
UN Environment is inviting Mr. Atiqullah to attend an intensive training workshop on R290-based room air conditioners in Guangzhou, China from November 22-24, 2018. The workshop will provide training on best practices and maintenance procedures for R290 air conditioners. UN Environment will cover the costs of airfare and daily subsistence allowance for participants according to UN rules. Participants are responsible for obtaining a Chinese visa and any travel/health insurance.
This document summarizes an experiment on the impact of jets using a hydraulic bench. The experiment aims to demonstrate that the force on a vane is proportional to the rate of delivery of momentum from a jet. Students collect data on the distance moved by a jockey weight under different flow rates. The results show the force on the vane increases linearly with the rate of delivery of momentum from the jet, consistent with theoretical expectations, although actual forces measured are slightly lower than predicted.
Chapter 5 ( understand the external heat load for cooling load calculation) d...A.M. ATIQULLAH
4th semester diploma in engineering refrigeration and air conditioning technology (RAT) Chapter-05 ( understand the external heat load for cooling load calculation)
4th semester diploma in engineering refrigeration and air conditioning technology(RAT) Chapter-05(understand the external heat load for cooling load calculation)
বিষয় কোডঃ ৬৭২৪৩
বিষয়ঃ কুলিং অ্যান্ড হিটিং লোড ক্যালকুলেশন
অধ্যায়ঃ- ৪ (বিল্ডিং সার্ভের মাধ্যমে শীতাতপ নিয়ন্ত্রণ ব্যবস্থার হিট লোড নির্ণ্য়)
উপস্থাপনায়ঃ
আবু মোহাম্মদ আতিকুল্যা
ইন্সট্রাক্টর (টেক্) আর এসি
ঢাকা পলিটেকনিক ইন্সটিটিউট,
তেজগাঁও,ঢাকা-১২০৮।
Subject Code: 67243
Subject: Cooling And Heating Load Calculation
Chapter: 04 (Understand the Building Survey for Air Conditioning Heat Load)
Presented By: A.M.ATIQULLAH.
Instructor(Tech) RAC
Dhaka Polytechnic Institute,
Tejgaon,Dhaka-1208.
This presentation template provides instructions for editing and using the template in PowerPoint or Google Slides. It contains various slides demonstrating design elements like quotes, images, diagrams, tables, and icons that can be used in a presentation. The final slides thank the audience and provide credits for resources used in the template. The presentation is meant to serve as an example of best practices and elements that can be included in presentations.
This document summarizes a presentation by A.M. Atiqullah from Batch 11, Group B. It outlines three best plans of action, including developing a refrigeration and air conditioning lab for students by June 2018, providing competence-based learning activities in the lab within six months, and developing a chemistry lab within six months. It also briefly lists the key learnings from NYP and seven total plans of action, such as developing additional labs, student career development, and increasing practical based learning.
1. The document discusses heat transfer through building structures via conduction. It describes how heat is conducted through walls, floors, ceilings, and other building components.
2. It explains the three primary modes of heat transfer: conduction, convection, and radiation. Conduction involves heat transfer at a molecular level through direct contact. Convection involves heat transfer via mass movement. Radiation involves heat transfer via electromagnetic waves.
3. It provides key equations for calculating conduction heat transfer rates through building walls and discusses factors like surface area, temperature difference, and transmittance value.
67243 cooling and heating & calculationA.M. ATIQULLAH
The document discusses heat gain through building structures via conduction. It describes how heat is transferred through exterior walls, roofs, windows, and doors due to temperature differences. It explains that the solar radiation absorbed by outside surfaces of walls and roofs increases their temperature above the outside air temperature, which is known as the solar air temperature. The heat gain through walls and roofs can be calculated using the CLTD method, which factors in the surface area, overall U-value, and CLTD value from tables based on location and time of day. Infiltration through doors and windows also contributes to heat gain as outside air flows into the building.
Chapter 5 (Understand the external heat load for cooling load calculation) dt...A.M. ATIQULLAH
1. The document discusses heat transfer through building structures via conduction and describes the various external heat loads to consider for cooling load calculations, including solar heat gain.
2. It explains that heat transfer occurs through conduction within building materials on a molecular level, convection through air movement, and radiation through electromagnetic waves.
3. Methods of calculating conduction heat transfer rate through walls using surface area, transmittance value, and temperature difference are presented.
67243 cooling and heating & calculationA.M. ATIQULLAH
1. The document discusses building survey for air conditioning heat load calculation. It explains that a building survey needs to be conducted to understand the various heat sources in the building in order to accurately estimate the heat load.
2. Physical factors that need to be considered during the survey include heat from lights, fans, people, plugs and sockets. Ventilation heat, outside air temperature, and wall/roof heat transmission should also be accounted for.
3. Standard charts and tables from organizations like ASHRAE, ARI and Carrier provide data on ventilation heat, outside air heat, and heat from common building elements to simplify heat load calculations.
67243 cooling and heating load calculationA.M. ATIQULLAH
The document discusses psychrometry, which is the study of properties of air and water vapor mixtures. It defines key terms like dry air, moist air, saturated air, humidity, absolute humidity, relative humidity, dry bulb temperature, and wet bulb temperature. Dry bulb temperature refers to the usual temperature reading in a thermometer, while wet bulb temperature is lower and accounts for evaporative cooling effects from a wet wick. Relative humidity compares the actual water vapor content in air to the maximum it could hold at the same temperature and pressure. The psychrometric chart graphs these properties and is used to analyze air conditioning processes.
Introduction- e - waste – definition - sources of e-waste– hazardous substances in e-waste - effects of e-waste on environment and human health- need for e-waste management– e-waste handling rules - waste minimization techniques for managing e-waste – recycling of e-waste - disposal treatment methods of e- waste – mechanism of extraction of precious metal from leaching solution-global Scenario of E-waste – E-waste in India- case studies.
TIME DIVISION MULTIPLEXING TECHNIQUE FOR COMMUNICATION SYSTEMHODECEDSIET
Time Division Multiplexing (TDM) is a method of transmitting multiple signals over a single communication channel by dividing the signal into many segments, each having a very short duration of time. These time slots are then allocated to different data streams, allowing multiple signals to share the same transmission medium efficiently. TDM is widely used in telecommunications and data communication systems.
### How TDM Works
1. **Time Slots Allocation**: The core principle of TDM is to assign distinct time slots to each signal. During each time slot, the respective signal is transmitted, and then the process repeats cyclically. For example, if there are four signals to be transmitted, the TDM cycle will divide time into four slots, each assigned to one signal.
2. **Synchronization**: Synchronization is crucial in TDM systems to ensure that the signals are correctly aligned with their respective time slots. Both the transmitter and receiver must be synchronized to avoid any overlap or loss of data. This synchronization is typically maintained by a clock signal that ensures time slots are accurately aligned.
3. **Frame Structure**: TDM data is organized into frames, where each frame consists of a set of time slots. Each frame is repeated at regular intervals, ensuring continuous transmission of data streams. The frame structure helps in managing the data streams and maintaining the synchronization between the transmitter and receiver.
4. **Multiplexer and Demultiplexer**: At the transmitting end, a multiplexer combines multiple input signals into a single composite signal by assigning each signal to a specific time slot. At the receiving end, a demultiplexer separates the composite signal back into individual signals based on their respective time slots.
### Types of TDM
1. **Synchronous TDM**: In synchronous TDM, time slots are pre-assigned to each signal, regardless of whether the signal has data to transmit or not. This can lead to inefficiencies if some time slots remain empty due to the absence of data.
2. **Asynchronous TDM (or Statistical TDM)**: Asynchronous TDM addresses the inefficiencies of synchronous TDM by allocating time slots dynamically based on the presence of data. Time slots are assigned only when there is data to transmit, which optimizes the use of the communication channel.
### Applications of TDM
- **Telecommunications**: TDM is extensively used in telecommunication systems, such as in T1 and E1 lines, where multiple telephone calls are transmitted over a single line by assigning each call to a specific time slot.
- **Digital Audio and Video Broadcasting**: TDM is used in broadcasting systems to transmit multiple audio or video streams over a single channel, ensuring efficient use of bandwidth.
- **Computer Networks**: TDM is used in network protocols and systems to manage the transmission of data from multiple sources over a single network medium.
### Advantages of TDM
- **Efficient Use of Bandwidth**: TDM all
Electric vehicle and photovoltaic advanced roles in enhancing the financial p...IJECEIAES
Climate change's impact on the planet forced the United Nations and governments to promote green energies and electric transportation. The deployments of photovoltaic (PV) and electric vehicle (EV) systems gained stronger momentum due to their numerous advantages over fossil fuel types. The advantages go beyond sustainability to reach financial support and stability. The work in this paper introduces the hybrid system between PV and EV to support industrial and commercial plants. This paper covers the theoretical framework of the proposed hybrid system including the required equation to complete the cost analysis when PV and EV are present. In addition, the proposed design diagram which sets the priorities and requirements of the system is presented. The proposed approach allows setup to advance their power stability, especially during power outages. The presented information supports researchers and plant owners to complete the necessary analysis while promoting the deployment of clean energy. The result of a case study that represents a dairy milk farmer supports the theoretical works and highlights its advanced benefits to existing plants. The short return on investment of the proposed approach supports the paper's novelty approach for the sustainable electrical system. In addition, the proposed system allows for an isolated power setup without the need for a transmission line which enhances the safety of the electrical network
Advanced control scheme of doubly fed induction generator for wind turbine us...IJECEIAES
This paper describes a speed control device for generating electrical energy on an electricity network based on the doubly fed induction generator (DFIG) used for wind power conversion systems. At first, a double-fed induction generator model was constructed. A control law is formulated to govern the flow of energy between the stator of a DFIG and the energy network using three types of controllers: proportional integral (PI), sliding mode controller (SMC) and second order sliding mode controller (SOSMC). Their different results in terms of power reference tracking, reaction to unexpected speed fluctuations, sensitivity to perturbations, and resilience against machine parameter alterations are compared. MATLAB/Simulink was used to conduct the simulations for the preceding study. Multiple simulations have shown very satisfying results, and the investigations demonstrate the efficacy and power-enhancing capabilities of the suggested control system.
ACEP Magazine edition 4th launched on 05.06.2024Rahul
This document provides information about the third edition of the magazine "Sthapatya" published by the Association of Civil Engineers (Practicing) Aurangabad. It includes messages from current and past presidents of ACEP, memories and photos from past ACEP events, information on life time achievement awards given by ACEP, and a technical article on concrete maintenance, repairs and strengthening. The document highlights activities of ACEP and provides a technical educational article for members.
DEEP LEARNING FOR SMART GRID INTRUSION DETECTION: A HYBRID CNN-LSTM-BASED MODELgerogepatton
As digital technology becomes more deeply embedded in power systems, protecting the communication
networks of Smart Grids (SG) has emerged as a critical concern. Distributed Network Protocol 3 (DNP3)
represents a multi-tiered application layer protocol extensively utilized in Supervisory Control and Data
Acquisition (SCADA)-based smart grids to facilitate real-time data gathering and control functionalities.
Robust Intrusion Detection Systems (IDS) are necessary for early threat detection and mitigation because
of the interconnection of these networks, which makes them vulnerable to a variety of cyberattacks. To
solve this issue, this paper develops a hybrid Deep Learning (DL) model specifically designed for intrusion
detection in smart grids. The proposed approach is a combination of the Convolutional Neural Network
(CNN) and the Long-Short-Term Memory algorithms (LSTM). We employed a recent intrusion detection
dataset (DNP3), which focuses on unauthorized commands and Denial of Service (DoS) cyberattacks, to
train and test our model. The results of our experiments show that our CNN-LSTM method is much better
at finding smart grid intrusions than other deep learning algorithms used for classification. In addition,
our proposed approach improves accuracy, precision, recall, and F1 score, achieving a high detection
accuracy rate of 99.50%.
Literature Review Basics and Understanding Reference Management.pptxDr Ramhari Poudyal
Three-day training on academic research focuses on analytical tools at United Technical College, supported by the University Grant Commission, Nepal. 24-26 May 2024
Harnessing WebAssembly for Real-time Stateless Streaming PipelinesChristina Lin
Traditionally, dealing with real-time data pipelines has involved significant overhead, even for straightforward tasks like data transformation or masking. However, in this talk, we’ll venture into the dynamic realm of WebAssembly (WASM) and discover how it can revolutionize the creation of stateless streaming pipelines within a Kafka (Redpanda) broker. These pipelines are adept at managing low-latency, high-data-volume scenarios.
37. Elements of the answer ‐ Fresh Air (as opposed
to stale)
→ Good Level of Oxygen (O2)
→ Sufficient Air Exchange with Outside
‐ Not too Hot and not too Cold
→ Control of Temperature
‐ Not too Dry and not too Humidity
PresentedBy :A.M.AtiqullahINSTRUCTOR(Tech)RACDHAKA POLYTECHNIC INSTITUTE,Tejgaon,Dhaka.
38. → Control of Relative Humidity
‐ Good Amount of Light,
but no Excess and no Glare.
→ Enough Light,
Preferably Diffuse
‐ Human Dimension to the Context.
→ Appropriate Geometric
Dimensions,
Pleasing Shapes
PresentedBy :A.M.AtiqullahINSTRUCTOR(Tech)RACDHAKA POLYTECHNIC INSTITUTE,Tejgaon,Dhaka.
55. ﮋ evZv‡mi (Dry air) ‡ÿ‡Î,
Pa Va = ma Ra Ta ……………….(1)
GesRjxqev‡®úi †ÿ‡Î,
Pv Vv = mv Rv Tv ……………….(2)
G QvovVa = Vv GesTa = Tv = Td
GLv‡bTd = WªvB evj¦ ZvcgvÎv (DBT)
mgxKiY (1) I (2) bs mgxKiY n‡Z cvB,
Pv
Pa
=
mvRv
ma RaPresentedBy :A.M.AtiqullahINSTRUCTOR(Tech)RACDHAKA POLYTECHNIC INSTITUTE,Tejgaon,Dhaka.
67. 67
THANKS!
Any questions?
You can find me at
atiqullahrac@mail.com
PresentedBy :A.M.ATIQULLAH,INSTRUCTOR(Tech)RACDHAKA POLYTECHNIC INSTITUTE, Dhaka-1208
70. এই ক্লাসটি পূেিায় ফদখরত রভরিট করিা
onlinetvet.com
Presented By : A.M.Atiqullah,INSTRUCTOR(Tech)RACDHAKA POLYTECHNIC INSTITUTE, Dhaka-1208.
71. Presented By : A.M.Atiqullah,INSTRUCTOR(Tech)RACDHAKA POLYTECHNIC INSTITUTE, Dhaka-1208.
72. 2.1 Find the U factor of a) Brick wall without plaster. b) Brick wall with
plaster on one side. c) Brick wall with plaster on both side.
2.2 Find out U value from the chart of hollow tiles, cylindrical blocks,
concrete blocks, etc, of different insulation thickness and K factors.
2.3 Find out the U factors from the chart of common cold storage walls, roofs
and floors at different insulation thickness and K factors
2.4 Solve Problems on relating U factors for common wall of commercial
building and cold storage.
PresentedBy :A.M.AtiqullahINSTRUCTOR(Tech)RACDHAKA POLYTECHNIC INSTITUTE,Tejgaon,Dhaka.
74. 1.Basic Refrigeration and Air conditioning - P. N. Ananthanarayanan
2.Principal of Refrigeration - Roy J. Dossat
3.A text book of Refrigeration and Air-conditioning - R. S Khurmi & J K Gupta
4.A course in Refrigeration and air conditioning - S. C. Arora & S Domkundwar
5.Modern refrigeration and airconditioning for engineers - Prof. P S Desai
6.Refrigeration and air conditioning - C P Arora
7.Refrigeration and air conditioning - Ahmadul Ameen
PresentedBy :A.M.AtiqullahINSTRUCTOR(Tech)RACDHAKA POLYTECHNIC INSTITUTE,Tejgaon,Dhaka.