Pub Date : 2016-02-29DOI: 10.1109/ICDRET.2016.7421484
Shitab Ishmam, Wasel-Ur-Rahman, Shabab Bin Karim, S. Salehin, A. S. Sadrul Islam
Fossil fuel energy resources are unsustainable. World reserves are gradually depleting and the greenhouse gas emissions associated with their use are contributing to global warming. Therefore, there are vigorous research initiatives all aimed at developing alternative fuel resources that are both sustainable and carbon neutral. Based on contemporary research, third generation biofuels derived from microalgae can be taken as an efficient renewable energy resource which is free from the major problems faced in using fossil fuels. This paper delivers a summary of the current status of microalgae as a source of biodiesel, including their cultivation, harvesting, and processing keeping Bangladesh in perspective. The microalgae species most suitable for biodiesel production in Bangladesh are mentioned as well.
{"title":"From strain to extraction - A review to produce biodiesel from microalgae in Bangladesh","authors":"Shitab Ishmam, Wasel-Ur-Rahman, Shabab Bin Karim, S. Salehin, A. S. Sadrul Islam","doi":"10.1109/ICDRET.2016.7421484","DOIUrl":"https://doi.org/10.1109/ICDRET.2016.7421484","url":null,"abstract":"Fossil fuel energy resources are unsustainable. World reserves are gradually depleting and the greenhouse gas emissions associated with their use are contributing to global warming. Therefore, there are vigorous research initiatives all aimed at developing alternative fuel resources that are both sustainable and carbon neutral. Based on contemporary research, third generation biofuels derived from microalgae can be taken as an efficient renewable energy resource which is free from the major problems faced in using fossil fuels. This paper delivers a summary of the current status of microalgae as a source of biodiesel, including their cultivation, harvesting, and processing keeping Bangladesh in perspective. The microalgae species most suitable for biodiesel production in Bangladesh are mentioned as well.","PeriodicalId":365312,"journal":{"name":"2016 4th International Conference on the Development in the in Renewable Energy Technology (ICDRET)","volume":"215 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132234732","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-02-29DOI: 10.1109/ICDRET.2016.7421473
M. Rahman, S. Salehin, A. S. Sadrul Islam
In Bangladesh, 55% of the population are getting electricity from the national grid. Mostly diesel generators supply the electricity to the off-grid regions. Use of diesel leads to increased greenhouse gas (GHG) emissions which is a big environmental concern all over the world. Solar Home Systems (SHSs) offer promising solution to the areas that are not connected to the grid. More than 3.6 million SHSs are installed in remote locations across the country. Most SHSs in Bangladesh use small tube lights as the lighting source. However, the recent SHSs make use of LED bulbs instead of the tube lights in order to decrease the PV panel size which would lower the initial capital cost and annualized cost. In this study, two different Solar Home Systems were analysed having tube lights and LED bulbs as the lighting source, respectively. Each of the SHSs consists of 6 lights (Tube light/LED bulb) and 2 fans with operating hours of 4 daily. The analysis shows that the SHS with tube lights requires initial capital cost of $432, which is 48% higher than the system having LED bulbs as the lighting source. As the SHSs do not use any fossil fuel, there is no operational GHG emission. However, a large amount of energy is used to manufacture PV panels, which needs to be quantified to understand the environmental impact. Energy consumption to manufacture the solar panels of Solar Home System with LED bulbs is 1.44 MWht which is 25% lower than the SHS with tube lights.
{"title":"Economic and environmental assessments of solar home systems consisting different lighting sources","authors":"M. Rahman, S. Salehin, A. S. Sadrul Islam","doi":"10.1109/ICDRET.2016.7421473","DOIUrl":"https://doi.org/10.1109/ICDRET.2016.7421473","url":null,"abstract":"In Bangladesh, 55% of the population are getting electricity from the national grid. Mostly diesel generators supply the electricity to the off-grid regions. Use of diesel leads to increased greenhouse gas (GHG) emissions which is a big environmental concern all over the world. Solar Home Systems (SHSs) offer promising solution to the areas that are not connected to the grid. More than 3.6 million SHSs are installed in remote locations across the country. Most SHSs in Bangladesh use small tube lights as the lighting source. However, the recent SHSs make use of LED bulbs instead of the tube lights in order to decrease the PV panel size which would lower the initial capital cost and annualized cost. In this study, two different Solar Home Systems were analysed having tube lights and LED bulbs as the lighting source, respectively. Each of the SHSs consists of 6 lights (Tube light/LED bulb) and 2 fans with operating hours of 4 daily. The analysis shows that the SHS with tube lights requires initial capital cost of $432, which is 48% higher than the system having LED bulbs as the lighting source. As the SHSs do not use any fossil fuel, there is no operational GHG emission. However, a large amount of energy is used to manufacture PV panels, which needs to be quantified to understand the environmental impact. Energy consumption to manufacture the solar panels of Solar Home System with LED bulbs is 1.44 MWht which is 25% lower than the SHS with tube lights.","PeriodicalId":365312,"journal":{"name":"2016 4th International Conference on the Development in the in Renewable Energy Technology (ICDRET)","volume":"321 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132386618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
This paper deals with designing a biomass and solar based hybrid power plant for residential building. The main focus of this work is to propose a hybrid energy system consists of biomass and solar PV. The system will produce enough electricity to power up an entire building just by collecting MSW and solar energy. As a part of this work, various research were done regarding different processes and techniques of biomass power plant which will be suitable for electricity production for a building. This work mainly includes designing of the hybrid power plant, estimating its cost and calculating different loads using Homer Pro software. Schematic diagram of the plant along with waste management are also within the scope of this paper. This proposed hybrid plant has a peak load of 115 KW. Average energy consumption of the building is estimated approximately 1399kwh/day and it will consume almost 1584 kg of biomass per day. The proposed system is designed to provide approximately 70-80% of energy from the biomass, 20% from PV and the rest will be dependent on main grid line.
{"title":"Designing of an optimized building integrated hybrid energy generation system","authors":"Md Rayhan Sharif, Md Nafeez Rahman, Md. Hafezur Rahman Chowdhury, Md. A. Shoeb","doi":"10.1109/ICDRET.2016.7421498","DOIUrl":"https://doi.org/10.1109/ICDRET.2016.7421498","url":null,"abstract":"This paper deals with designing a biomass and solar based hybrid power plant for residential building. The main focus of this work is to propose a hybrid energy system consists of biomass and solar PV. The system will produce enough electricity to power up an entire building just by collecting MSW and solar energy. As a part of this work, various research were done regarding different processes and techniques of biomass power plant which will be suitable for electricity production for a building. This work mainly includes designing of the hybrid power plant, estimating its cost and calculating different loads using Homer Pro software. Schematic diagram of the plant along with waste management are also within the scope of this paper. This proposed hybrid plant has a peak load of 115 KW. Average energy consumption of the building is estimated approximately 1399kwh/day and it will consume almost 1584 kg of biomass per day. The proposed system is designed to provide approximately 70-80% of energy from the biomass, 20% from PV and the rest will be dependent on main grid line.","PeriodicalId":365312,"journal":{"name":"2016 4th International Conference on the Development in the in Renewable Energy Technology (ICDRET)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114394308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-02-29DOI: 10.1109/ICDRET.2016.7421505
M. Ehsan, C. K. Das, M. Hasan
Bidirectional business concept where both parties are seller and buyer at the same time is termed as chain business. No one dominates on other in a chain business, so everyone is benefited at the same time. In this paper, a biogas based chain business model is designed for a community of 500 families, where people sell various wastes (organic waste, cow dung and chicken manure) to biogas plant authority, in contrast buy electricity, cooking gas and bio-fertilizer at affordable price. The model is abstracted based on developing countries like Bangladesh and analyzed for rural community, although it is also applicable for developed countries. Proper electrification is still not satisfactory and natural gas for home application facilities are totally absent in rural areas of Bangladesh. Use of chemical fertilizers in agriculture causes serious environmental and health hazards. However, this model eventually ensures financial gain, electrification, biogas for homestead use, agricultural growth, proper waste management and therefore, sustainable development of rural community in the long run as well as economic benefit of the entrepreneurs.
{"title":"Biogas based chain business: A road to sustainable rural development","authors":"M. Ehsan, C. K. Das, M. Hasan","doi":"10.1109/ICDRET.2016.7421505","DOIUrl":"https://doi.org/10.1109/ICDRET.2016.7421505","url":null,"abstract":"Bidirectional business concept where both parties are seller and buyer at the same time is termed as chain business. No one dominates on other in a chain business, so everyone is benefited at the same time. In this paper, a biogas based chain business model is designed for a community of 500 families, where people sell various wastes (organic waste, cow dung and chicken manure) to biogas plant authority, in contrast buy electricity, cooking gas and bio-fertilizer at affordable price. The model is abstracted based on developing countries like Bangladesh and analyzed for rural community, although it is also applicable for developed countries. Proper electrification is still not satisfactory and natural gas for home application facilities are totally absent in rural areas of Bangladesh. Use of chemical fertilizers in agriculture causes serious environmental and health hazards. However, this model eventually ensures financial gain, electrification, biogas for homestead use, agricultural growth, proper waste management and therefore, sustainable development of rural community in the long run as well as economic benefit of the entrepreneurs.","PeriodicalId":365312,"journal":{"name":"2016 4th International Conference on the Development in the in Renewable Energy Technology (ICDRET)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124734001","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-02-29DOI: 10.1109/ICDRET.2016.7421488
S. Salehin, A. S. Sadrul Islam, A. N. M. Zobayer
Heat retention cooker such as Hot Bag is a promising solution for reducing cooking energy which employs the retained heat for cooking in an urban kitchen or elsewhere. Different kinds of food items may be cooked using Hot Bag including rice, potato, chicken, beef, and vegetables etc. which require water for their cooking. When the food is heated to its boiling temperature on the cooking stove, the food can be continued to be cooked using this cooker by retaining the heat. This option offers several benefits including reduction of fuel usage, greenhouse gas emission, energy savings for cooking leading to monetary savings, indoor air pollution reduction etc. This paper presents a significant energy savings while cooking rice with Hot Bag as compared to cooking using traditional method. The tests showed energy savings of 42% for cooking rice. Also, the CO2 reduction is 123 grams per kg of rice. Heat retention tests have been carried out to understand the thermal behavior of the system. The thermal analysis of the heat transfer from the Hot Bag is also presented.
{"title":"Reduction of cooking energy and CO2 emission using heat retention cooker for rice cooking","authors":"S. Salehin, A. S. Sadrul Islam, A. N. M. Zobayer","doi":"10.1109/ICDRET.2016.7421488","DOIUrl":"https://doi.org/10.1109/ICDRET.2016.7421488","url":null,"abstract":"Heat retention cooker such as Hot Bag is a promising solution for reducing cooking energy which employs the retained heat for cooking in an urban kitchen or elsewhere. Different kinds of food items may be cooked using Hot Bag including rice, potato, chicken, beef, and vegetables etc. which require water for their cooking. When the food is heated to its boiling temperature on the cooking stove, the food can be continued to be cooked using this cooker by retaining the heat. This option offers several benefits including reduction of fuel usage, greenhouse gas emission, energy savings for cooking leading to monetary savings, indoor air pollution reduction etc. This paper presents a significant energy savings while cooking rice with Hot Bag as compared to cooking using traditional method. The tests showed energy savings of 42% for cooking rice. Also, the CO2 reduction is 123 grams per kg of rice. Heat retention tests have been carried out to understand the thermal behavior of the system. The thermal analysis of the heat transfer from the Hot Bag is also presented.","PeriodicalId":365312,"journal":{"name":"2016 4th International Conference on the Development in the in Renewable Energy Technology (ICDRET)","volume":"25 6","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132869556","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-02-29DOI: 10.1109/ICDRET.2016.7421515
H. Holtorf, T. Urmee, M. Calais, T. Pryor
Solar Home Systems can supply basic electricity services in Sunbelt countries. About 20 % of the world's population lack of access to these services. A preliminary model to evaluate the success of a SHS implementation has been proposed previously. The views of a range of institutional stakeholders related to SHS were explored by problem centered interviews and by participatory observation. An improved model of success is developed which is capable of providing a quantitative measure of success for SHS implementations. Five groups of key stakeholders have been determined. The most important self-set goals for the institutional stakeholders are profit, quality and social benefit. The most important success factors that encourage the achievement of self-set goals were retrieved and are discussed. Measuring the level of achievement of the defined self-set goals is the largest challenge in this process. The refined model of success demonstrates the complexity of measuring the success of Solar Home System implementations. The next phase of the research is to survey the Users' views on the SHS's success.
{"title":"Incorporating the institutions' perspective into a proposed model for assessing success of solar home system implementations","authors":"H. Holtorf, T. Urmee, M. Calais, T. Pryor","doi":"10.1109/ICDRET.2016.7421515","DOIUrl":"https://doi.org/10.1109/ICDRET.2016.7421515","url":null,"abstract":"Solar Home Systems can supply basic electricity services in Sunbelt countries. About 20 % of the world's population lack of access to these services. A preliminary model to evaluate the success of a SHS implementation has been proposed previously. The views of a range of institutional stakeholders related to SHS were explored by problem centered interviews and by participatory observation. An improved model of success is developed which is capable of providing a quantitative measure of success for SHS implementations. Five groups of key stakeholders have been determined. The most important self-set goals for the institutional stakeholders are profit, quality and social benefit. The most important success factors that encourage the achievement of self-set goals were retrieved and are discussed. Measuring the level of achievement of the defined self-set goals is the largest challenge in this process. The refined model of success demonstrates the complexity of measuring the success of Solar Home System implementations. The next phase of the research is to survey the Users' views on the SHS's success.","PeriodicalId":365312,"journal":{"name":"2016 4th International Conference on the Development in the in Renewable Energy Technology (ICDRET)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129177541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-02-29DOI: 10.1109/ICDRET.2016.7421517
Md Yeasin Arafat, M. Murshed, M. Razzak
The in-runner permanent magnet alternator (PMA) is adequately utilized as a part of wind power generation system specially for its robust and conventional structural configuration. In this research, the execution investigation of an in-runner outspread flux PMA intended for direct driven, extremely low-speed and small capacity wind power system has been examined with numerous modification shave taken into account e.g. changing some mechanical parameters such as use of effective and robust material, fractional slotting per pole, improving the slot fill factor and mounting of the magnets for reduction of cogging torque. The proposed configuration has been analyzed by finite element analysis (FEA) technique keeping in mind the end goal to observe the real time performance with several loss counting and cogging torque calculation. A good slot fill factor improves the thermal condition in the slot of the stator by reducing the copper losses. Considering all the point, an in-runner radial flux permanent magnet alternator (RFPMA) has been achieved with minimum losses and higher efficiency.
{"title":"Design and analysis of an in-runner permanent magnet alternator for low-speed wind turbine","authors":"Md Yeasin Arafat, M. Murshed, M. Razzak","doi":"10.1109/ICDRET.2016.7421517","DOIUrl":"https://doi.org/10.1109/ICDRET.2016.7421517","url":null,"abstract":"The in-runner permanent magnet alternator (PMA) is adequately utilized as a part of wind power generation system specially for its robust and conventional structural configuration. In this research, the execution investigation of an in-runner outspread flux PMA intended for direct driven, extremely low-speed and small capacity wind power system has been examined with numerous modification shave taken into account e.g. changing some mechanical parameters such as use of effective and robust material, fractional slotting per pole, improving the slot fill factor and mounting of the magnets for reduction of cogging torque. The proposed configuration has been analyzed by finite element analysis (FEA) technique keeping in mind the end goal to observe the real time performance with several loss counting and cogging torque calculation. A good slot fill factor improves the thermal condition in the slot of the stator by reducing the copper losses. Considering all the point, an in-runner radial flux permanent magnet alternator (RFPMA) has been achieved with minimum losses and higher efficiency.","PeriodicalId":365312,"journal":{"name":"2016 4th International Conference on the Development in the in Renewable Energy Technology (ICDRET)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123889460","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-02-29DOI: 10.1109/ICDRET.2016.7421495
Mrinmoy Dey, Maitry Dey, M. Matin, N. Amin
Molybdenum telluride (MoTe2) is a very promising candidate as PV cell for better cell stability and performance. In this research work, AMPS (Analysis of Microelectronic and Photonic Structures) simulator was used to examine the performance parameters (Jsc, Voc, FF and conversion efficiency) of ultra-thin MoTe2 PV cell through numerical analysis. During the study, it was found that absorber layer thickness of MoTe2 PV cell is adequate to achieve cell efficiency at satisfactory level. In addition, the hidden potentiality of MoTe2 PV cell was examined by inserting Indium Telluride (ImTe3) back surface field (BSF) between absorber layer and back contact metal. The conversion efficiency of 17.06% (FF = 0.730, Voc = 0.98 V and Jsc = 23.74 mA/cm2) has been achieved for 1 μm absorber layer of MoTe2 PV cell without BSF, whereas higher conversion efficiency is 25.29% (FF = 0.847, Voc = 1.08 V and Jsc = 27.60 mA/cm2) achieved at room temperature with only 0.7 μm of MoTe2 absorber layer along with 100 nm In2Te3 BSF. This research work compares the thermal stability of the structure of MoTe2 PV cell with and without BSF. It was found that the normalized efficiency decreased in response of increasing the operating temperature at the gradient of -0.0275%/°C without BSF. For the addition of In2Te3 BSF in the proposed MoTe2 PV cell, the degradation of normalized efficiency was too less in the range of higher operating temperature.
{"title":"High performance and stable molybdenum telluride PV cells with Indium Telluride BSF","authors":"Mrinmoy Dey, Maitry Dey, M. Matin, N. Amin","doi":"10.1109/ICDRET.2016.7421495","DOIUrl":"https://doi.org/10.1109/ICDRET.2016.7421495","url":null,"abstract":"Molybdenum telluride (MoTe<sub>2</sub>) is a very promising candidate as PV cell for better cell stability and performance. In this research work, AMPS (Analysis of Microelectronic and Photonic Structures) simulator was used to examine the performance parameters (Jsc, Voc, FF and conversion efficiency) of ultra-thin MoTe<sub>2</sub> PV cell through numerical analysis. During the study, it was found that absorber layer thickness of MoTe<sub>2</sub> PV cell is adequate to achieve cell efficiency at satisfactory level. In addition, the hidden potentiality of MoTe<sub>2</sub> PV cell was examined by inserting Indium Telluride (ImTe<sub>3</sub>) back surface field (BSF) between absorber layer and back contact metal. The conversion efficiency of 17.06% (FF = 0.730, V<sub>oc</sub> = 0.98 V and J<sub>sc</sub> = 23.74 mA/cm<sup>2</sup>) has been achieved for 1 μm absorber layer of MoTe<sub>2</sub> PV cell without BSF, whereas higher conversion efficiency is 25.29% (FF = 0.847, V<sub>oc</sub> = 1.08 V and Jsc = 27.60 mA/cm<sup>2</sup>) achieved at room temperature with only 0.7 μm of MoTe<sub>2</sub> absorber layer along with 100 nm In<sub>2</sub>Te<sub>3</sub> BSF. This research work compares the thermal stability of the structure of MoTe2 PV cell with and without BSF. It was found that the normalized efficiency decreased in response of increasing the operating temperature at the gradient of -0.0275%/°C without BSF. For the addition of In<sub>2</sub>Te<sub>3</sub> BSF in the proposed MoTe<sub>2</sub> PV cell, the degradation of normalized efficiency was too less in the range of higher operating temperature.","PeriodicalId":365312,"journal":{"name":"2016 4th International Conference on the Development in the in Renewable Energy Technology (ICDRET)","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122678519","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2016-02-29DOI: 10.1109/ICDRET.2016.7421501
Nafiz Ahmed Badhan, Farzana Mollick Ela, A. M. Mizanur Rahman
The climate change because of global warming and worldwide energy scarcity are prompting almost all the countries of the world to look for alternate energy sources like nuclear and renewable. Because of infrastructure and other reasons, developed countries can tap into nuclear energy but developing country like Bangladesh is not fortunate enough to have that option. Consequently, the only option that is left open to developing countries is renewable energy. Among renewable energy solar, wind, hydro, geo-thermal and wave energies are most reliable, which do not cause carbon emission. Solar energy can be used in many purposes like water heating, air heating etc. Among the various types of solar collector, evacuated tube solar collector is one of the most effective water heating device. An evacuated tube solar water heater was constructed from locally available materials and investigated in the department of Mechanical Engineering of KUET. In the first attempt, the highest. storage tank temperature obtained was only 47°C. In the present attempt, cylindrical parabolic reflectors were placed under each evacuated tube. Consequently, the maximum water temperature obtained at outlet to collector was 81°C and 76°C in the storage tank in the month of April-May.
{"title":"Development and performance test of an evacuated tube solar water heater","authors":"Nafiz Ahmed Badhan, Farzana Mollick Ela, A. M. Mizanur Rahman","doi":"10.1109/ICDRET.2016.7421501","DOIUrl":"https://doi.org/10.1109/ICDRET.2016.7421501","url":null,"abstract":"The climate change because of global warming and worldwide energy scarcity are prompting almost all the countries of the world to look for alternate energy sources like nuclear and renewable. Because of infrastructure and other reasons, developed countries can tap into nuclear energy but developing country like Bangladesh is not fortunate enough to have that option. Consequently, the only option that is left open to developing countries is renewable energy. Among renewable energy solar, wind, hydro, geo-thermal and wave energies are most reliable, which do not cause carbon emission. Solar energy can be used in many purposes like water heating, air heating etc. Among the various types of solar collector, evacuated tube solar collector is one of the most effective water heating device. An evacuated tube solar water heater was constructed from locally available materials and investigated in the department of Mechanical Engineering of KUET. In the first attempt, the highest. storage tank temperature obtained was only 47°C. In the present attempt, cylindrical parabolic reflectors were placed under each evacuated tube. Consequently, the maximum water temperature obtained at outlet to collector was 81°C and 76°C in the storage tank in the month of April-May.","PeriodicalId":365312,"journal":{"name":"2016 4th International Conference on the Development in the in Renewable Energy Technology (ICDRET)","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114714391","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Renewable energy sources, unlike the conventional combustible fuels, are naturally distributed and extensively available in a boundless manner all over the world in different forms. Here, in this paper, authors elucidate the scopes and opportunities of the ocean wave to develop a low-cost, environmental friendly, and sustainable electrical power generation system. At the present time most technological modernizations aimed at exploiting such resources are at early stage of development, with only a handful of devices close to be at the commercial demonstration stage. None of them, though, operates converting the wave energy contents at its very origin: the orbital motion of water particles right below the ocean surface. The Sea spoon device catches the kinetic energy of ocean waves with favorable conversion proficiency, according to specific "wave-motion climate". In this letter, authors illustrate a possible methodology of converting this naturally exorbitant energy with efficient conversion methodology and simulating the conversion environment with MATLAB/Simulink platform.
{"title":"A wave-to-wire model of ocean wave energy conversion system using MATLAB/Simulink platform","authors":"Jakir Hossain, Sarder Shazali Sikander, Eklas Hossain","doi":"10.1109/ICDRET.2016.7421492","DOIUrl":"https://doi.org/10.1109/ICDRET.2016.7421492","url":null,"abstract":"Renewable energy sources, unlike the conventional combustible fuels, are naturally distributed and extensively available in a boundless manner all over the world in different forms. Here, in this paper, authors elucidate the scopes and opportunities of the ocean wave to develop a low-cost, environmental friendly, and sustainable electrical power generation system. At the present time most technological modernizations aimed at exploiting such resources are at early stage of development, with only a handful of devices close to be at the commercial demonstration stage. None of them, though, operates converting the wave energy contents at its very origin: the orbital motion of water particles right below the ocean surface. The Sea spoon device catches the kinetic energy of ocean waves with favorable conversion proficiency, according to specific \"wave-motion climate\". In this letter, authors illustrate a possible methodology of converting this naturally exorbitant energy with efficient conversion methodology and simulating the conversion environment with MATLAB/Simulink platform.","PeriodicalId":365312,"journal":{"name":"2016 4th International Conference on the Development in the in Renewable Energy Technology (ICDRET)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115127025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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