Pub Date : 2021-04-01DOI: 10.1061/(ASCE)EY.1943-7897.0000749
G. N. Nwaji, C. A. Okoronkwo, N. Ogueke, E. E. Anyanwu
AbstractThe transient model of a hybrid solar collector/nocturnal radiator with thermal energy storage for solar water heating and its nocturnal radiative cooling was deployed in simulating space c...
摘要建立了蓄热式太阳能集热器/夜间散热器的瞬态模型，用于太阳能热水和夜间辐射冷却。
{"title":"Transient Simulation of a Building-Integrated Hybrid Solar Collector/Nocturnal Radiator with In-Built Thermal Storage for Space Cooling in Owerri, Nigeria","authors":"G. N. Nwaji, C. A. Okoronkwo, N. Ogueke, E. E. Anyanwu","doi":"10.1061/(ASCE)EY.1943-7897.0000749","DOIUrl":"https://doi.org/10.1061/(ASCE)EY.1943-7897.0000749","url":null,"abstract":"AbstractThe transient model of a hybrid solar collector/nocturnal radiator with thermal energy storage for solar water heating and its nocturnal radiative cooling was deployed in simulating space c...","PeriodicalId":15695,"journal":{"name":"Journal of Energy Engineering-asce","volume":"21 1","pages":"04021003"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77824682","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 : 2021-04-01DOI: 10.1061/(ASCE)EY.1943-7897.0000746
Seongin Jo, Suhan Park, C. Lee
AbstractTo analyze the combustion and exhaust characteristics of internal combustion engines, it is important to analyze combustion phases, such as ignition delay, premixed combustion period, and d...
摘要为了分析内燃机的燃烧和排气特性，必须分析燃烧阶段，如点火延迟、预混燃烧期和燃烧时间。
{"title":"Calculation of Combustion Phases in a Diesel Engine Based on the Difference between Motoring and Combustion Pressures","authors":"Seongin Jo, Suhan Park, C. Lee","doi":"10.1061/(ASCE)EY.1943-7897.0000746","DOIUrl":"https://doi.org/10.1061/(ASCE)EY.1943-7897.0000746","url":null,"abstract":"AbstractTo analyze the combustion and exhaust characteristics of internal combustion engines, it is important to analyze combustion phases, such as ignition delay, premixed combustion period, and d...","PeriodicalId":15695,"journal":{"name":"Journal of Energy Engineering-asce","volume":"17 1","pages":"04021005"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78362054","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 : 2021-04-01DOI: 10.1061/(asce)ey.1943-7897.0000730
I. Nagy, S. Hensel, A. Schmid, L. Kaiktsis
AbstractLarge two-stroke marine diesel engines have special injector geometries which differ substantially from the configurations used in most other diesel engine applications. In particular, inje...
{"title":"Computational Analysis of Spray Formation in Large Two-Stroke Marine Diesel Engine Atomizers","authors":"I. Nagy, S. Hensel, A. Schmid, L. Kaiktsis","doi":"10.1061/(asce)ey.1943-7897.0000730","DOIUrl":"https://doi.org/10.1061/(asce)ey.1943-7897.0000730","url":null,"abstract":"AbstractLarge two-stroke marine diesel engines have special injector geometries which differ substantially from the configurations used in most other diesel engine applications. In particular, inje...","PeriodicalId":15695,"journal":{"name":"Journal of Energy Engineering-asce","volume":"6 1","pages":"04020092"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74570476","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 : 2021-04-01DOI: 10.1061/(ASCE)EY.1943-7897.0000748
Ziqiang Huang, Genchun Cai, Wei Liu, Zhichun Liu
AbstractA three-dimensional nonisothermal two-phase flow model is developed to analyze the effects of cathode gas diffusion layer (GDL) porosity variations on the current density distribution and l...
{"title":"Performance Optimization and Water Management of Polymer Electrolyte Membrane Fuel Cell with Two-Direction Graded Porosity Design of Cathode Gas Diffusion Layer","authors":"Ziqiang Huang, Genchun Cai, Wei Liu, Zhichun Liu","doi":"10.1061/(ASCE)EY.1943-7897.0000748","DOIUrl":"https://doi.org/10.1061/(ASCE)EY.1943-7897.0000748","url":null,"abstract":"AbstractA three-dimensional nonisothermal two-phase flow model is developed to analyze the effects of cathode gas diffusion layer (GDL) porosity variations on the current density distribution and l...","PeriodicalId":15695,"journal":{"name":"Journal of Energy Engineering-asce","volume":"6 1","pages":"04021002"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75282365","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 : 2021-04-01DOI: 10.1061/(ASCE)EY.1943-7897.0000743
Haifeng Liu, Mingsheng Wen, Hongbin Yang, Zongyu Yue, M. Yao
AbstractThis article reviews the main development of advanced components and control algorithms in engine thermal management systems (TMS). First, the limitations in traditional mechanical coolant ...
{"title":"A Review of Thermal Management System and Control Strategy for Automotive Engines","authors":"Haifeng Liu, Mingsheng Wen, Hongbin Yang, Zongyu Yue, M. Yao","doi":"10.1061/(ASCE)EY.1943-7897.0000743","DOIUrl":"https://doi.org/10.1061/(ASCE)EY.1943-7897.0000743","url":null,"abstract":"AbstractThis article reviews the main development of advanced components and control algorithms in engine thermal management systems (TMS). First, the limitations in traditional mechanical coolant ...","PeriodicalId":15695,"journal":{"name":"Journal of Energy Engineering-asce","volume":"12 1","pages":"03121001"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82489671","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 : 2021-04-01DOI: 10.1061/(asce)ey.1943-7897.0000741
M. Chern, Desta Goytom Tewolde, C. Kao, N. Vaziri
AbstractThe aim of this study was to prove that an optimization method combining genetic algorithms with a direct-forcing immersed boundary method as a distinguished numerical method could improve ...
{"title":"Vertical-Axis Wind Turbine Blade-Shape Optimization Using a Genetic Algorithm and Direct-Forcing Immersed Boundary Method","authors":"M. Chern, Desta Goytom Tewolde, C. Kao, N. Vaziri","doi":"10.1061/(asce)ey.1943-7897.0000741","DOIUrl":"https://doi.org/10.1061/(asce)ey.1943-7897.0000741","url":null,"abstract":"AbstractThe aim of this study was to prove that an optimization method combining genetic algorithms with a direct-forcing immersed boundary method as a distinguished numerical method could improve ...","PeriodicalId":15695,"journal":{"name":"Journal of Energy Engineering-asce","volume":"42 1","pages":"04020091"},"PeriodicalIF":0.0,"publicationDate":"2021-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83552791","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 : 2021-02-01DOI: 10.1061/(asce)ey.1943-7897.0000739
V. Ayhan
AbstractLiquefied petroleum gas (LPG) fuel has a high octane number and high heating value. These features make LPG a rather convenient alternative fuel for spark-ignition engines. On the other han...
{"title":"Experimental Investigation of the Effect of Direct Water Injection on Combustion, Knock, and Emissions for LPG-Diesel Dual-Fuel Engine","authors":"V. Ayhan","doi":"10.1061/(asce)ey.1943-7897.0000739","DOIUrl":"https://doi.org/10.1061/(asce)ey.1943-7897.0000739","url":null,"abstract":"AbstractLiquefied petroleum gas (LPG) fuel has a high octane number and high heating value. These features make LPG a rather convenient alternative fuel for spark-ignition engines. On the other han...","PeriodicalId":15695,"journal":{"name":"Journal of Energy Engineering-asce","volume":"94 1","pages":"04020084"},"PeriodicalIF":0.0,"publicationDate":"2021-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91056155","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 : 2021-02-01DOI: 10.1061/(asce)ey.1943-7897.0000740
Limin Kuang, H. Lei, D. Zhou, Z. Han, Y. Bao, Yongsheng Zhao
AbstractVertical-axis wind turbines (VAWTs) may be subjected to varying degrees of turbulence in practice. In the present study, the computational fluid dynamics (CFD) method and improved delayed d...
{"title":"Numerical Investigation of Effects of Turbulence Intensity on Aerodynamic Performance for Straight-Bladed Vertical-Axis Wind Turbines","authors":"Limin Kuang, H. Lei, D. Zhou, Z. Han, Y. Bao, Yongsheng Zhao","doi":"10.1061/(asce)ey.1943-7897.0000740","DOIUrl":"https://doi.org/10.1061/(asce)ey.1943-7897.0000740","url":null,"abstract":"AbstractVertical-axis wind turbines (VAWTs) may be subjected to varying degrees of turbulence in practice. In the present study, the computational fluid dynamics (CFD) method and improved delayed d...","PeriodicalId":15695,"journal":{"name":"Journal of Energy Engineering-asce","volume":"149 1","pages":"04020087"},"PeriodicalIF":0.0,"publicationDate":"2021-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74914662","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 : 2021-02-01DOI: 10.1061/(asce)ey.1943-7897.0000735
Xi Chen, Yu Zhengkun, Xiao-dong Wang, Wenbin Li, Yao Chen, Chaonan Jin, G. Gong, Z. Wan
AbstractFlow field plays an important role in proton exchange membrane fuel cell (PEMFC) performance. Excellent flow field configuration promotes the transport of reactant gases in the membrane ele...
{"title":"Influence of Wave Parallel Flow Field Design on the Performance of PEMFC","authors":"Xi Chen, Yu Zhengkun, Xiao-dong Wang, Wenbin Li, Yao Chen, Chaonan Jin, G. Gong, Z. Wan","doi":"10.1061/(asce)ey.1943-7897.0000735","DOIUrl":"https://doi.org/10.1061/(asce)ey.1943-7897.0000735","url":null,"abstract":"AbstractFlow field plays an important role in proton exchange membrane fuel cell (PEMFC) performance. Excellent flow field configuration promotes the transport of reactant gases in the membrane ele...","PeriodicalId":15695,"journal":{"name":"Journal of Energy Engineering-asce","volume":"8 1","pages":"04020080"},"PeriodicalIF":0.0,"publicationDate":"2021-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77108805","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 : 2021-02-01DOI: 10.1061/(asce)ey.1943-7897.0000731
Chao Zhai, Gaoxi Xiao, Min Meng, Hehong Zhang, Beibei Li
AbstractCascading blackouts of power systems are normally activated by the initial disruptive contingencies under certain conditions. Effective identification of such disruptive contingencies is si...
{"title":"Identification of Catastrophic Cascading Failures in Protected Power Grids Using Optimal Control","authors":"Chao Zhai, Gaoxi Xiao, Min Meng, Hehong Zhang, Beibei Li","doi":"10.1061/(asce)ey.1943-7897.0000731","DOIUrl":"https://doi.org/10.1061/(asce)ey.1943-7897.0000731","url":null,"abstract":"AbstractCascading blackouts of power systems are normally activated by the initial disruptive contingencies under certain conditions. Effective identification of such disruptive contingencies is si...","PeriodicalId":15695,"journal":{"name":"Journal of Energy Engineering-asce","volume":"81 1","pages":"06020001"},"PeriodicalIF":0.0,"publicationDate":"2021-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90358012","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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