2023 6th International Conference on Renewable Energy for Developing Countries (REDEC)最新文献_第2页

Benchmarking and code compliance of selected buildings in Kuwait 科威特选定建筑物的基准和规范遵守情况

2023 6th International Conference on Renewable Energy for Developing Countries (REDEC) Pub Date : 2023-07-05 DOI: 10.1109/REDEC58286.2023.10208188

A. Hajiah, K. Sreekanth, M. Sebzali, A. Al-Momen

{"title":"Benchmarking and code compliance of selected buildings in Kuwait","authors":"A. Hajiah, K. Sreekanth, M. Sebzali, A. Al-Momen","doi":"10.1109/REDEC58286.2023.10208188","DOIUrl":"https://doi.org/10.1109/REDEC58286.2023.10208188","url":null,"abstract":"The objective of this paper is to develop innovative solutions and methodologies to evaluate and improve the sustainability of Kuwait’s built environment in order to establish a new paradigm in engineering design. In the present paper, the investigation and evaluation of code compliance of selected typical buildings with the building regulations and codes is carried out. The objectives of the paper are to make a program to verify the code compliance of the selected buildings and to collect the regulations pertaining to present energy codes and practice in Kuwait. A program to verify the code compliance of the STBs including the selected 30 homes in Block 8 of Al Qadesiya was developed. The data collected by the Kuwait University team regarding the 30 homes were used for the code compliance analysis. The year of construction, floor area, window area per direction, lighting load per square meter, AC load in kW or refrigeration ton, the status about insulation of the building were identified as the important parameters that can be used for the code compliance analysis. Among the above-mentioned parameters, the lighting load and the AC load in kW or RT, along with window area per direction and year of construction, are the parameters that can be evaluated for their code compliance. A program was written using Visual Basic and MSExcel as the front end to verify the code compliance. The standard value for lighting load analysis is 7 Watts per square meter and the AC load standard value is 60 Watts per square meter or 1.6 kW or RT.","PeriodicalId":137094,"journal":{"name":"2023 6th International Conference on Renewable Energy for Developing Countries (REDEC)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116872109","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}

引用次数: 0

Design and Construction of a Simple Hot Box for Thermal Characterization of Building Envelopes 用于建筑围护结构热表征的简易热箱的设计与制造

2023 6th International Conference on Renewable Energy for Developing Countries (REDEC) Pub Date : 2023-07-05 DOI: 10.1109/REDEC58286.2023.10208169

Nadine Yehya, C. Maatouk

{"title":"Design and Construction of a Simple Hot Box for Thermal Characterization of Building Envelopes","authors":"Nadine Yehya, C. Maatouk","doi":"10.1109/REDEC58286.2023.10208169","DOIUrl":"https://doi.org/10.1109/REDEC58286.2023.10208169","url":null,"abstract":"The continuous growth in building sector in addition to the required measures for energy efficiency in building envelopes have increased the need for ecological building materials. In order to decide if the newly developed materials are appropriate for building envelopes, their thermal transmittance should be tested. There are several methods for thermal characterization of building envelopes whether in lab or in situ, however most of them are expensive or have several limitations. To overcome these burdens, it becomes necessary to develop a required experimental setup with simple ways to achieve the desired purpose within certain acceptable errors. The following article describes the design and construction of a low-cost Simple Hot Box for thermal characterization of building envelopes, by means of Heat Flow Meter (HFM) method. The setup was designed and simulated using a computational fluid dynamic software CFD, and then it was constructed at the laboratory of Saint Joseph University, Lebanon. The thermal conductance of a commercial material was found and compared to its known values. The results were close with a little relative error indicating the ability to adopt this apparatus for preliminary evaluation of thermal transmittance of newly developed building materials with little cost and time.","PeriodicalId":137094,"journal":{"name":"2023 6th International Conference on Renewable Energy for Developing Countries (REDEC)","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126513830","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}

引用次数: 0

Application of BEM to the analysis of noise generated by a vertical axis wind turbine 边界元法在垂直轴风力机噪声分析中的应用

2023 6th International Conference on Renewable Energy for Developing Countries (REDEC) Pub Date : 2023-07-05 DOI: 10.1109/REDEC58286.2023.10208193

F. Erchiqui, M. Saad, F. Slaoui-Hasnaoui, M. Souli

引用次数: 0

Sustainability Issues of Household Biodigesters in Nepal 尼泊尔家庭生物沼气池的可持续性问题

2023 6th International Conference on Renewable Energy for Developing Countries (REDEC) Pub Date : 2023-07-05 DOI: 10.1109/REDEC58286.2023.10208182

N. K. Jha, S. P. Lohani

{"title":"Sustainability Issues of Household Biodigesters in Nepal","authors":"N. K. Jha, S. P. Lohani","doi":"10.1109/REDEC58286.2023.10208182","DOIUrl":"https://doi.org/10.1109/REDEC58286.2023.10208182","url":null,"abstract":"Excessive use of solid biomass and fossil fuels is a global concern due to its adverse environmental impact and household air pollution. Household biodigesters are key to meet clean cooking transition goals and a range of sustainable development goals (SDG) including SDG 7, 3, and 13. This paper provides an overview of household biodigesters performance, significance of users’ technical and operational knowledge on biodigesters performance and issues pertaining to sustainability of household biodigesters (HBDs) in Nepal. A set of structured questionnaire and visual inspection of the HBDs were employed during field survey in two hilly districts of the country. The survey revealed that very poor post installation maintenance service, less or no institutional support, heavy reduction of biogas production in winter, lack of basic technical knowledge and decreasing trend of livestock rearing are some of the major causes that threatens the sustainability of HBDs in rural communities. Although the findings are based on survey in specific sites of two districts of Nepal and should not be generalized for the country, it will definitely be a representative indicator and the information would be a valuable input to local government, relevant stakeholders and policymakers. The outcome of this study could be useful to other communities and districts of Nepal and other countries with similar socioeconomic and climatic context.","PeriodicalId":137094,"journal":{"name":"2023 6th International Conference on Renewable Energy for Developing Countries (REDEC)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114487796","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}

引用次数: 0

Green Hydrogen from Africa 来自非洲的绿色氢

2023 6th International Conference on Renewable Energy for Developing Countries (REDEC) Pub Date : 2023-07-05 DOI: 10.1109/REDEC58286.2023.10208190

Amal Asaad, S. Karaki

引用次数: 0

Existing Green Building Status in Lebanon: Analysis and Evaluation 黎巴嫩绿色建筑现状:分析与评价

2023 6th International Conference on Renewable Energy for Developing Countries (REDEC) Pub Date : 2023-07-05 DOI: 10.1109/REDEC58286.2023.10208178

A. Beainy, Sabine Saad, Rita Najjar, Riad Assaf, A. Jouni

引用次数: 0

Modeling and Control of Fuel Cell/Supercapacitor Fed Open-End-Winding Induction Motor in Electric Vehicles 电动汽车中燃料电池/超级电容器供电开式异步电动机的建模与控制

2023 6th International Conference on Renewable Energy for Developing Countries (REDEC) Pub Date : 2023-07-05 DOI: 10.1109/REDEC58286.2023.10208174

Khaled Safsouf, J. Sawma, H. Kanaan

{"title":"Modeling and Control of Fuel Cell/Supercapacitor Fed Open-End-Winding Induction Motor in Electric Vehicles","authors":"Khaled Safsouf, J. Sawma, H. Kanaan","doi":"10.1109/REDEC58286.2023.10208174","DOIUrl":"https://doi.org/10.1109/REDEC58286.2023.10208174","url":null,"abstract":"This paper describes the model of hybrid clean energy feeding an open-end winding induction motor. Mainly, the objective of this paper is to regulate the distribution of power between different power sources using inner/outer loop algorithms. The inner loop governs the motor current and power allocation among the sources, whereas the outer loop is responsible for regulating the voltage of the storage element and ensuring that the primary source is operating at its optimal capacity. The hybrid system utilizes a fuel cell as the primary energy source and a supercapacitor as the secondary energy source. The primary energy source is responsible for providing the required energy to the electric vehicle as well as to the storage source in a specific case, while the secondary energy source is utilized to supplement power during acceleration and to capture and store excess energy during the braking process. As well as the fast-acting and dynamic nature of the supercapacitor can aid the fuel cell in its initiation process. The presence of a supercapacitor in fuel cell-powered vehicles is highly promising as it has the potential to substantially decrease hydrogen consumption and enhance vehicle efficiency. The hybrid DC sources are linked to the terminals of the stator of the induction motor (IM) through a dual inverter. The OEWIM configuration is defined by the removal of several passive elements, resulting in a system structure that is not bulky or complex, with improved reliability, efficiency, redundancy, and power quality compared to the traditional structure. A field-oriented torque method (FOC) is used in the induction motor control.","PeriodicalId":137094,"journal":{"name":"2023 6th International Conference on Renewable Energy for Developing Countries (REDEC)","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132928803","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}

引用次数: 0

Comparative Analysis of Six Short-Term Load Forecasting Models for a Distribution Transformer 6种配电变压器短期负荷预测模型的比较分析

2023 6th International Conference on Renewable Energy for Developing Countries (REDEC) Pub Date : 2023-07-05 DOI: 10.1109/REDEC58286.2023.10208192

Mukesh Kumar, Praveer Kumar Jha, J. Crawford Alasdair, Shalini Dandriyal, Rahul Maurya

引用次数: 0

Thermo-Economic Performance of a Solar-Driven Single-Effect Absorption Chiller in Lebanon 黎巴嫩太阳能驱动单效吸收式制冷机的热经济性能

2023 6th International Conference on Renewable Energy for Developing Countries (REDEC) Pub Date : 2023-07-05 DOI: 10.1109/REDEC58286.2023.10208167

Christy Lahoud, M. Brouche, Chawki Lahoud, Mohamed Hmadi

{"title":"Thermo-Economic Performance of a Solar-Driven Single-Effect Absorption Chiller in Lebanon","authors":"Christy Lahoud, M. Brouche, Chawki Lahoud, Mohamed Hmadi","doi":"10.1109/REDEC58286.2023.10208167","DOIUrl":"https://doi.org/10.1109/REDEC58286.2023.10208167","url":null,"abstract":"This paper aims to investigate the performance of a 45 kW single-effect absorption chiller driven by flat plate solar collectors to provide cooling in the moderate climate of Lebanon. To maintain its continuous operation, a hot water thermal storage tank equipped with auxiliary electrical elements was added. Taken as a case study, the hourly cooling load was calculated all year-round for a typical residential building with a built-up area of 400 $mathrm{m}^{2}$. The system model was designed using simulations in TRNSYS and MATLAB simultaneously. Then, the Hooke and Jeeves optimization method was used to find the best thermo-economic combination between the solar fraction, collector’s area, and hot storage tank’s volume. Results showed that the most realistic system is the one covering 100% of the cooling load since it has the most reasonable price in function of the studied parameters (area of the collector, volume of the hot water storage tank, generator’s temperature, COP and cooling load). Moreover, a financial study was conducted. It showed that the payback period of the optimal system used is around 7 years with an energy-savings equal to 19770 kWh/year and CO2 emission savings equal to 16 tons-CO2/year.","PeriodicalId":137094,"journal":{"name":"2023 6th International Conference on Renewable Energy for Developing Countries (REDEC)","volume":"60 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121831183","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}

引用次数: 0

Analysis of Co-firing in Bolok Coal-fired Power Plant Using Woodchips to Support Decarbonization 博洛燃煤电厂用木屑辅助脱碳共烧分析

2023 6th International Conference on Renewable Energy for Developing Countries (REDEC) Pub Date : 2023-07-05 DOI: 10.1109/REDEC58286.2023.10208166

Jonathan Dian, Firza Zulmi Rhamadhan, A. Nugroho

{"title":"Analysis of Co-firing in Bolok Coal-fired Power Plant Using Woodchips to Support Decarbonization","authors":"Jonathan Dian, Firza Zulmi Rhamadhan, A. Nugroho","doi":"10.1109/REDEC58286.2023.10208166","DOIUrl":"https://doi.org/10.1109/REDEC58286.2023.10208166","url":null,"abstract":"Indonesia is committed to setting a target to reach 23% renewable energy usage in 2025 and be fossil fuel free by 2060. Biomass co-firing is one of the strategies of PT PLN (Persero) to accelerate carbon emission reduction and increase the national new renewable energy mix. This paper proposes a methodology for evaluating the performance of biomass co-tiring implemented in a coal-fired power plant on a basis of a multi-criteria assessment built to analyze the technical, financial, and environmental impacts associated with the operation parameters. Bolok coal-fired power plant is implementing biomass co-firing using woodchip, the most biomass potential near the power plant. According to the combustion test conducted by the team from 0% to 100% co-firing ratio, the main steam temperature, pressure, and flow value are within a normal range of operation (using 100% coal). Increased woodchip percentages in co-firing will reduce coal-fired power plant emissions (CO2 avoided), particularly Nitrogen oxide (NOx) and Sulphur dioxide (SO2). Furthermore, implementing a woodchip for biomass co-firing will also show the production cost efficiency improvement based on the Specific Fuel Consumption (SFC) value but also cause load derating at 75% and 100% co-firing due to the less calorific value. The proposed methodology for performance evaluation will allow the development and implementation of biomass co-burning to support decarbonization.","PeriodicalId":137094,"journal":{"name":"2023 6th International Conference on Renewable Energy for Developing Countries (REDEC)","volume":"283 ","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"113985476","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}

引用次数: 0