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International Journal of Power and Energy Research最新文献

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Effect of Stirring Intervals on Biogas Production from Cow Dung and Maize Silage Mix Ratio 搅拌间隔对牛粪与玉米青贮混合产气的影响
International Journal of Power and Energy Research Pub Date : 2021-04-30 DOI: 10.22606/IJPER.2021.51001
Monyluak M.Y. Chol, Nicasio M. Muchuka, D. Nyaanga
{"title":"Effect of Stirring Intervals on Biogas Production from Cow Dung and Maize Silage Mix Ratio","authors":"Monyluak M.Y. Chol, Nicasio M. Muchuka, D. Nyaanga","doi":"10.22606/IJPER.2021.51001","DOIUrl":"https://doi.org/10.22606/IJPER.2021.51001","url":null,"abstract":"Most biogas plants’ poor performance may be attributed to inadequate stirring strategy. The study evaluated the effect of stirring intervals on biogas production from cow dung and maize silage mixture (at mixed ratio 3:1) digested in a 0.15m3 laboratory digester at 30℃. SIEMENS LOGO PLC and ATV12HU15M2 Drive automatically controlled the stirring of 100 rpm for 3minutes at intervals of 1hour, 2hours, 6hours and 12hours with no stirring as control. The stirring intervals showed a significant effect on biogas production (P≤0.05) with 6hours and 12hours increased biogas by 3.11% and 1.48%, and the methane increase of 8.77% and 1.75%, respectively. The 2hours and 1hour reduced biogas by 26.5% and 39.35%, and methane decreased by 3.52% and 15.79%, respectively compared to control (implying that the frequent stirring is not good for biogas). The stirring interval of 6hours is thus recommended for 0.15m3 laboratory batch reactor of cow dung and maize silage.","PeriodicalId":286171,"journal":{"name":"International Journal of Power and Energy Research","volume":"178 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120947648","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
Research on Energy Management Strategy of Hybrid Tramway Based on Double Fuzzy Logic Control 基于双模糊逻辑控制的混合有轨电车能量管理策略研究
International Journal of Power and Energy Research Pub Date : 2019-07-30 DOI: 10.22606/ijper.2019.32001
Mengmeng Sun, Jibin Yang, Anjin Peng, Pengyun Song, Jiye Zhang
{"title":"Research on Energy Management Strategy of Hybrid Tramway Based on Double Fuzzy Logic Control","authors":"Mengmeng Sun, Jibin Yang, Anjin Peng, Pengyun Song, Jiye Zhang","doi":"10.22606/ijper.2019.32001","DOIUrl":"https://doi.org/10.22606/ijper.2019.32001","url":null,"abstract":"A catenary-battery-ultracapacitor powered hybrid modern tramway is studied. The fuzzy logic controller for the catenary zone and catenary-less zone is respectively designed by analyzing the structure and operation mode of the hybrid system, then an energy management strategy based on double fuzzy logic control is proposed to enhance the fuel economy. The hybrid modern tramway simulation system is developed based on MATLAB/Simulink environment, and operation of a researching hybrid modern tramway on a planned railway line is simulated to verify the performance of the hybrid modern tramway. The simulation results demonstrate that the proposed control strategy can satisfy the demand for train dynamic performance and achieve the power distribution reasonably between the power source. Compared with the rule-based control strategy, the energy consumption of catenary traction is reduced by 12.3% and the energy recovery rate is increased by 9.3%.","PeriodicalId":286171,"journal":{"name":"International Journal of Power and Energy Research","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122621258","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: 1
A New Proposed Energy Baseline Model for a Data Center as a Tool for Energy Efficiency Evaluation 一种用于数据中心能源效率评估的新能源基线模型
International Journal of Power and Energy Research Pub Date : 2019-04-30 DOI: 10.22606/IJPER.2019.31001
S. Livieratos, S. Panetsos, A. Fotopoulos, M. Karagiorgas
{"title":"A New Proposed Energy Baseline Model for a Data Center as a Tool for Energy Efficiency Evaluation","authors":"S. Livieratos, S. Panetsos, A. Fotopoulos, M. Karagiorgas","doi":"10.22606/IJPER.2019.31001","DOIUrl":"https://doi.org/10.22606/IJPER.2019.31001","url":null,"abstract":"Evaluating the energy efficiency of a data center is very important to understand how energy-demanding it is and to investigate any potential energy saving measures. The new energy baseline model introduced in this article expresses the energy consumption as a function of the outdoor air temperature and the IT (information technology) equipment consumption, while at the same time it indicates how a data center performs. The proposed energy baseline model is validated against the actual data that have been collected from one of the data centers of the Greek Research and Technology Network (GRNET) located in Attica prefecture. Moreover, the carry out of a dynamic sliding analysis of the energy baseline in the form of sequential 12-month cycles brings to the fore potential changes in energy management operation and/or strategy as the time goes on.","PeriodicalId":286171,"journal":{"name":"International Journal of Power and Energy Research","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125465347","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: 2
Control and Energy Management Strategy of Standalone DC Microgrid Cluster using PV and Battery Storage for Rural Application 基于光伏和电池储能的农村单机直流微电网集群控制与能量管理策略
International Journal of Power and Energy Research Pub Date : 2018-10-08 DOI: 10.22606/ijper.2018.24001
Mohammad Aman Yaqobi, Hidehito Matayoshi, M. Danish, N. Urasaki, A. M. Howlader, T. Senjyu
{"title":"Control and Energy Management Strategy of Standalone DC Microgrid Cluster using PV and Battery Storage for Rural Application","authors":"Mohammad Aman Yaqobi, Hidehito Matayoshi, M. Danish, N. Urasaki, A. M. Howlader, T. Senjyu","doi":"10.22606/ijper.2018.24001","DOIUrl":"https://doi.org/10.22606/ijper.2018.24001","url":null,"abstract":"","PeriodicalId":286171,"journal":{"name":"International Journal of Power and Energy Research","volume":"94 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116912806","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: 1
Temkin-Pyzhev Kinetics in Intermediate Temperature Ammonia-Fed Solid Oxide Fuel Cells (SOFCs) 中温氨馈固体氧化物燃料电池的Temkin-Pyzhev动力学
International Journal of Power and Energy Research Pub Date : 2018-07-01 DOI: 10.22606/IJPER.2018.23001
D. Cheddie, Point Lisas Campus Esperanza Road Brechin Castle Couva T Tobago, Tobago
{"title":"Temkin-Pyzhev Kinetics in Intermediate Temperature Ammonia-Fed Solid Oxide Fuel Cells (SOFCs)","authors":"D. Cheddie, Point Lisas Campus Esperanza Road Brechin Castle Couva T Tobago, Tobago","doi":"10.22606/IJPER.2018.23001","DOIUrl":"https://doi.org/10.22606/IJPER.2018.23001","url":null,"abstract":"Two recent trends in fuel cell development are the use of ammonia as a fuel, and the preference for intermediate temperature operation of solid oxide fuel cells. There have been a few mathematical models of ammonia-fed solid oxide fuel cells reported in the literature, all of which are for high temperature operation where Tamaru kinetics applies. To date, there have been no models reported for intermediate temperature operation. At intermediate temperatures, hydrogen inhibition of ammonia decomposition occurs and hence the Temkin-Pyzhev model of ammonia decomposition must be employed. This paper is the first to present a two-dimensional computational model of an intermediate temperature ammonia-fed solid oxide fuel cell with Temkin-Pyzhev ammonia decomposition kinetics. The results show that the problem of thermal shock associated with high temperature ammonia-fed fuel cells is alleviated at intermediate temperature operation.","PeriodicalId":286171,"journal":{"name":"International Journal of Power and Energy Research","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124773919","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: 1
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