Renewable Energy and Sustainable Development最新文献

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The commuting behavior and perception correlates of commuting trips: a comparative study on the Egyptian and migrant populations in Cairo and Alexandria 通勤行为与通勤出行的感知相关性:对开罗和亚历山大的埃及人口和移民人口的比较研究
Renewable Energy and Sustainable Development Pub Date : 2024-05-22 DOI: 10.21622/resd.2024.10.1.768
Randa Khalil, Dina Noseir, Yasmin Kandil, Ahmed Shehata, David G. Farid, Aly Elrefaei, Houshmand Masoumi
{"title":"The commuting behavior and perception correlates of commuting trips: a comparative study on the Egyptian and migrant populations in Cairo and Alexandria","authors":"Randa Khalil, Dina Noseir, Yasmin Kandil, Ahmed Shehata, David G. Farid, Aly Elrefaei, Houshmand Masoumi","doi":"10.21622/resd.2024.10.1.768","DOIUrl":"https://doi.org/10.21622/resd.2024.10.1.768","url":null,"abstract":"","PeriodicalId":31382,"journal":{"name":"Renewable Energy and Sustainable Development","volume":"56 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141111339","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
Modeling the kinetics of pyrolysis of date seeds using artificial neural networks 利用人工神经网络建立枣核热解动力学模型
Renewable Energy and Sustainable Development Pub Date : 2024-05-20 DOI: 10.21622/resd.2024.10.1.811
R. A. Felobes, Magdy Abadir
{"title":"Modeling the kinetics of pyrolysis of date seeds using artificial neural networks","authors":"R. A. Felobes, Magdy Abadir","doi":"10.21622/resd.2024.10.1.811","DOIUrl":"https://doi.org/10.21622/resd.2024.10.1.811","url":null,"abstract":"","PeriodicalId":31382,"journal":{"name":"Renewable Energy and Sustainable Development","volume":"78 21","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141121380","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
Coastal vulnerability assessment in urban planning: a comparative tool-based selection approach for the Egyptian context 城市规划中的海岸脆弱性评估:针对埃及情况的基于工具的比较选择方法
Renewable Energy and Sustainable Development Pub Date : 2024-03-03 DOI: 10.21622/resd.2024.10.1.755
A. A. Hemida, Marwa Abo Elfetouh Khalifa, Morad Abdelsalheen, Samy Afifi
{"title":"Coastal vulnerability assessment in urban planning: a comparative tool-based selection approach for the Egyptian context","authors":"A. A. Hemida, Marwa Abo Elfetouh Khalifa, Morad Abdelsalheen, Samy Afifi","doi":"10.21622/resd.2024.10.1.755","DOIUrl":"https://doi.org/10.21622/resd.2024.10.1.755","url":null,"abstract":"","PeriodicalId":31382,"journal":{"name":"Renewable Energy and Sustainable Development","volume":"67 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140267717","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
A comprehensive study of travel mode captivity: a nuanced perspective on car captivity in new Cairo, Egypt 出行方式俘虏综合研究:从细微处看埃及新开罗的汽车俘虏现象
Renewable Energy and Sustainable Development Pub Date : 2024-02-26 DOI: 10.21622/resd.2024.10.1.751
Rana Swelam, Marwa Khalifa, Nabil Mohareb, Yasser Moustafa, Sami Affifi
{"title":"A comprehensive study of travel mode captivity: a nuanced perspective on car captivity in new Cairo, Egypt","authors":"Rana Swelam, Marwa Khalifa, Nabil Mohareb, Yasser Moustafa, Sami Affifi","doi":"10.21622/resd.2024.10.1.751","DOIUrl":"https://doi.org/10.21622/resd.2024.10.1.751","url":null,"abstract":"","PeriodicalId":31382,"journal":{"name":"Renewable Energy and Sustainable Development","volume":"55 15","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140430953","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
Mobility inequality of disadvantaged groups in Greater Cairo region 大开罗地区弱势群体的流动不平等问题
Renewable Energy and Sustainable Development Pub Date : 2024-02-12 DOI: 10.21622/resd.2024.10.1.753
Nouran Azouz, Marwa A. Khalifa, Mohamed El-Fayoumi
{"title":"Mobility inequality of disadvantaged groups in Greater Cairo region","authors":"Nouran Azouz, Marwa A. Khalifa, Mohamed El-Fayoumi","doi":"10.21622/resd.2024.10.1.753","DOIUrl":"https://doi.org/10.21622/resd.2024.10.1.753","url":null,"abstract":"","PeriodicalId":31382,"journal":{"name":"Renewable Energy and Sustainable Development","volume":"19 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139964773","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
Computational simulation study of the impact of isotropic GDL thermal conductivity on PEMFC characteristics 各向同性 GDL 热传导率对 PEMFC 特性影响的计算模拟研究
Renewable Energy and Sustainable Development Pub Date : 2023-12-20 DOI: 10.21622/resd.2023.09.2.042
Mahmut Kaplan
{"title":"Computational simulation study of the impact of isotropic GDL thermal conductivity on PEMFC characteristics","authors":"Mahmut Kaplan","doi":"10.21622/resd.2023.09.2.042","DOIUrl":"https://doi.org/10.21622/resd.2023.09.2.042","url":null,"abstract":"","PeriodicalId":31382,"journal":{"name":"Renewable Energy and Sustainable Development","volume":"104 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138958836","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
2d solar thermal direct absorption comparison between gold and silver nanoparticle 金与银纳米粒子的二维太阳热直接吸收比较
Renewable Energy and Sustainable Development Pub Date : 2023-10-30 DOI: 10.21622/resd.2023.09.2.032
Abdul-Mubarak Yussif Yidana
{"title":"2d solar thermal direct absorption comparison between gold and silver nanoparticle","authors":"Abdul-Mubarak Yussif Yidana","doi":"10.21622/resd.2023.09.2.032","DOIUrl":"https://doi.org/10.21622/resd.2023.09.2.032","url":null,"abstract":"In recent years, the application of nanoparticles for direct thermal absorption in solar energy technology has emerged as a transformative advancement, showing significant potential compared to traditional solar collectors. In this research, nanofluids containing silver and gold nanoparticles were simulated, using water and ethylene glycol as the base fluid. The simulations were carried out using a modelled rectangular test cell, employing constant heat flux conditions through the ANSYS Fluent software. This study builds upon prior research by extending the comprehension of how nanofluids, particularly those involving silver and gold nanoparticles, can enhance photothermal absorption rates. The primary objective of this paper is to conduct a comparative analysis of the photothermal absorption rates exhibited by the two nanofluids under two simulation cases: (1) a constant heat flux applied to only one side of the wall and (2) a constant heat flux applied to both sides of the wall. The results show that both silver and gold nanofluids have excellent photothermal absorption rate and increase significantly when heat flux is applied to both sides of the wall. A better performance is observed for silver ethylene glycol-based nanofluid. Therefore, for a more photothermal absorption rate, it is recommended that silver ethylene glycol based nanofluid should be used. Received: 06 May 2023 Accepted:23 September 2023 Published: 30 October 2023","PeriodicalId":31382,"journal":{"name":"Renewable Energy and Sustainable Development","volume":"6 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136133019","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
Drivers for, and barriers to solar energy use by manufacturing Micro Small and Medium Enterprises (MSMEs) in Tanzania 坦桑尼亚制造业中小微企业(MSMEs)使用太阳能的驱动因素和障碍
Renewable Energy and Sustainable Development Pub Date : 2023-06-20 DOI: 10.21622/resd.2023.resd.2023.09.1.021
F. Lyakurwa
{"title":"Drivers for, and barriers to solar energy use by manufacturing Micro Small and Medium Enterprises (MSMEs) in Tanzania","authors":"F. Lyakurwa","doi":"10.21622/resd.2023.resd.2023.09.1.021","DOIUrl":"https://doi.org/10.21622/resd.2023.resd.2023.09.1.021","url":null,"abstract":"Choice of solar energy by manufacturing Micro, Small and Medium Enterprises (MSME’s) has been associated with manufacturing sustainability. In this study, the Structural Equation Modeling (SEM) technique was employed to establish drivers for, and barriers to solar energy use by manufacturing MSME’s in selected districts in Morogoro region. The SEM results revealed social-economic, technological and environmental factors hindering deployment of solar energy by manufacturing MSME’s. Also, the results indicated that there are several factors that hinder manufacturing MSME’s use of solar energy for different operations including the environmental concern (i.e., staff/ employers’ concern about air pollution resulted from energy use, and staff/employers’ concern about climate change); solar energy awareness (i.e., experience in previous use of solar energy, and understanding of different types of solar PV which can be used at industry level), and solar energy generation cost (i.e., the generation of solar energy may cause additional cost, and solar energy requires high initial investment cost). Hence, the results of this study can be used by energy policymaking instruments to make informed decisions for renewable energy investment in the country’s manufacturing sector for manufacturing sustainability.","PeriodicalId":31382,"journal":{"name":"Renewable Energy and Sustainable Development","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43288177","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
Drivers for, and barriers to solar energy use by manufacturing Micro Small and Medium Enterprises (MSMEs) in Tanzania 坦桑尼亚制造业中小微企业(MSMEs)使用太阳能的驱动因素和障碍
Renewable Energy and Sustainable Development Pub Date : 2023-06-20 DOI: 10.21622/resd.2023.09.1.021
Felichesmi S. Lyakurwa
{"title":"Drivers for, and barriers to solar energy use by manufacturing Micro Small and Medium Enterprises (MSMEs) in Tanzania","authors":"Felichesmi S. Lyakurwa","doi":"10.21622/resd.2023.09.1.021","DOIUrl":"https://doi.org/10.21622/resd.2023.09.1.021","url":null,"abstract":"Choice of solar energy by manufacturing Micro, Small and Medium Enterprises (MSME’s) has been associated with manufacturing sustainability. In this study, the Structural Equation Modeling (SEM) technique was employed to establish drivers for, and barriers to solar energy use by manufacturing MSME’s in selected districts in Morogoro region. The SEM results revealed three main drivers for manufacturing MSME’s use of solar energy for different purposes like manufacturing MSME’s intention to use solar energy, risk perception on solar energy use, and self-effectiveness perception. Also, the results indicated that there are several factors that hinder manufacturing MSME’s use of solar energy for different operations including the environmental concern (i.e., staff/employers’ concern about air pollution resulted from energy use, and staff/employers’ concern about climate change); solar energy awareness (i.e., experience in previous use of solar energy, and understanding of different types of solar PV which can be used at industry level), and lastly, solar energy generation cost (i.e., the generation of solar energy may cause additional cost, and solar energy requires high initial investment cost). Hence, the results of this study can be used by energy policymaking instruments to make informed decisions for renewable energy investment in the country’s manufacturing sector for manufacturing sustainability. Received: 04 April 2023 Accepted: 06 June 2023 Published: 20 June 2023","PeriodicalId":31382,"journal":{"name":"Renewable Energy and Sustainable Development","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135187875","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
Power density improvement due to Rotor Flux screens in an SRM with a higher number of Rotor Poles than Stator Poles 在转子极数多于定子极数的SRM中,转子磁通屏提高了功率密度
Renewable Energy and Sustainable Development Pub Date : 2023-05-30 DOI: 10.21622/resd.2023.09.1.011
Ali A. Abdelaziz, Khaled H. Ahmed, Ahmed M. Massoud, Barry W. Williams
{"title":"Power density improvement due to Rotor Flux screens in an SRM with a higher number of Rotor Poles than Stator Poles","authors":"Ali A. Abdelaziz, Khaled H. Ahmed, Ahmed M. Massoud, Barry W. Williams","doi":"10.21622/resd.2023.09.1.011","DOIUrl":"https://doi.org/10.21622/resd.2023.09.1.011","url":null,"abstract":"This paper investigates the effect of rotor flux screens (conducting screens) on the performance of switched reluctance motors with a higher number of rotor poles than stator poles. A high number of rotor poles decreases the torque ripple, which is desirable for electric vehicle applications. The conducting screens fill the rotor interpolar gaps forming a cylindrical rotor hence alleviating the windage losses, especially effective at high speeds. The effect of conducting screen thickness and material electrical conductivity on current rise time, developed torque, and output power is studied. A procedure for calculating the effective value of unaligned inductance for screened motors using the flux tube method is presented. Finite element analysis results for different screen cases confirm the effectiveness of conducting screens in improving the torque, hence power capability, of switched reluctance motors. Received: 11 January 2023 Accepted: 03 May 2023 Published: 30 May 2023","PeriodicalId":31382,"journal":{"name":"Renewable Energy and Sustainable Development","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135693180","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
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