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Journal of fluid flow, heat and mass transfer最新文献

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Exploring the Utilization of Newtonian Fluids in Heat Transfer Applications 探索牛顿流体在传热应用中的应用
Journal of fluid flow, heat and mass transfer Pub Date : 2023-01-01 DOI: 10.11159/jffhmt.2023.016
Surupa Shaw, Dominga Guerrero
{"title":"Exploring the Utilization of Newtonian Fluids in Heat Transfer Applications","authors":"Surupa Shaw, Dominga Guerrero","doi":"10.11159/jffhmt.2023.016","DOIUrl":"https://doi.org/10.11159/jffhmt.2023.016","url":null,"abstract":"","PeriodicalId":92806,"journal":{"name":"Journal of fluid flow, heat and mass transfer","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135010099","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
Flow Boiling Heat Transfer of R134a at Varying Heat Fluxes 不同热通量下R134a的流动沸腾传热
Journal of fluid flow, heat and mass transfer Pub Date : 2023-01-01 DOI: 10.11159/jffhmt.2023.007
E. G. Bediako, P. Dančová, Anas F. A. Elbarghthi, T. Vít
{"title":"Flow Boiling Heat Transfer of R134a at Varying Heat Fluxes","authors":"E. G. Bediako, P. Dančová, Anas F. A. Elbarghthi, T. Vít","doi":"10.11159/jffhmt.2023.007","DOIUrl":"https://doi.org/10.11159/jffhmt.2023.007","url":null,"abstract":"- This study presents an experimental analysis of flow boiling heat transfer of R134a refrigerant in a smooth horizontal stainless-steel tube with the goal of investigating the effect of heat flux on heat transfer coefficient and dry-out characteristics. The experiment was performed for heat fluxes ranging from 7.2 kW/m 2 to 47.4 kW/m 2 , mass flux of 300 kg/m 2 s and saturation pressure of 460 kPa. The results showed that at low heat fluxes, the heat transfer is predominantly controlled by convective boiling with a higher slope of heat transfer coefficient. As heat flux increases, nucleate boiling begins to predominate the heat transfer. The predominance of nucleate boiling is strongly experienced at low vapor quality when the higher slope in convective boiling begins to disappear as nucleate boiling dominates. Dry-out vapor quality incipience ( 𝑥_𝑑𝑖 ) is not affected appreciably by heat flux. All the dry-out vapor quality incipience correlations investigated predicted well the vapor quality for which dry-out","PeriodicalId":92806,"journal":{"name":"Journal of fluid flow, heat and mass transfer","volume":"91 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74626423","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
Experimental Study on Heat Transfer and Pressure Drop of Two-Phase Flow across Tube Bundles 管束间两相流传热与压降的实验研究
Journal of fluid flow, heat and mass transfer Pub Date : 2023-01-01 DOI: 10.11159/jffhmt.2023.015
Xuejing He, Zhenlin Li, Ji Wang
{"title":"Experimental Study on Heat Transfer and Pressure Drop of Two-Phase Flow across Tube Bundles","authors":"Xuejing He, Zhenlin Li, Ji Wang","doi":"10.11159/jffhmt.2023.015","DOIUrl":"https://doi.org/10.11159/jffhmt.2023.015","url":null,"abstract":"- The refrigerant two-phase flow across tube bundles is widely used. Its heat transfer mechanism needs to be further studied. An experimental system was established for measuring heat transfer coefficients, pressure drop and observing flow patterns. The test section of tube bundles was designed. R1233zd as a new environmentally friendly refrigerant was used as the working fluid. The effects of vapor quality, heat flux and mass flow rate on heat transfer and pressure drop were analyzed. The falling film flow, bubbly flow and shear flow were observed. With the increasing vapor quality and heat flux, the heat transfer coefficient increases. With the increasing vapor quality and mass flow rate, the pressure drop increases.","PeriodicalId":92806,"journal":{"name":"Journal of fluid flow, heat and mass transfer","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136371442","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
Investigation of the Relationship between Rock Mechanical Parameters and Wellbore Stability in Depleted Wells 枯竭井岩石力学参数与井筒稳定性关系研究
Journal of fluid flow, heat and mass transfer Pub Date : 2023-01-01 DOI: 10.11159/jffhmt.2023.005
Zhonghui Li, Arnaud Regis Kamgue Lenwoue, Xuesong Xing, Pengjie Hu, Wentie Sun, Shi Ding
{"title":"Investigation of the Relationship between Rock Mechanical Parameters and Wellbore Stability in Depleted Wells","authors":"Zhonghui Li, Arnaud Regis Kamgue Lenwoue, Xuesong Xing, Pengjie Hu, Wentie Sun, Shi Ding","doi":"10.11159/jffhmt.2023.005","DOIUrl":"https://doi.org/10.11159/jffhmt.2023.005","url":null,"abstract":"","PeriodicalId":92806,"journal":{"name":"Journal of fluid flow, heat and mass transfer","volume":"70 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135987890","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
Phase Change Materials for Better Thermal Performance of Central Processing Units (CPUs) 提高中央处理器(cpu)热性能的相变材料
Journal of fluid flow, heat and mass transfer Pub Date : 2023-01-01 DOI: 10.11159/jffhmt.2023.001
S. Aal Khlaifin, A. Al-Janabi, N. Al-Rawahi, N. Al-Azri
{"title":"Phase Change Materials for Better Thermal Performance of Central Processing Units (CPUs)","authors":"S. Aal Khlaifin, A. Al-Janabi, N. Al-Rawahi, N. Al-Azri","doi":"10.11159/jffhmt.2023.001","DOIUrl":"https://doi.org/10.11159/jffhmt.2023.001","url":null,"abstract":"","PeriodicalId":92806,"journal":{"name":"Journal of fluid flow, heat and mass transfer","volume":"9 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83343131","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
Rate of Para-Orthohydrogen Conversion in Cryogenic Vortex Tube 低温涡旋管内对正氢转化速率的研究
Journal of fluid flow, heat and mass transfer Pub Date : 2023-01-01 DOI: 10.11159/jffhmt.2023.003
K. Matveev, J. Leachman
{"title":"Rate of Para-Orthohydrogen Conversion in Cryogenic Vortex Tube","authors":"K. Matveev, J. Leachman","doi":"10.11159/jffhmt.2023.003","DOIUrl":"https://doi.org/10.11159/jffhmt.2023.003","url":null,"abstract":"- Raising efficiency of the cooling process for cryogenic hydrogen and minimizing hydrogen boil-off during storage and transportation of liquid hydrogen are critically important factors for widening implementation of hydrogen-based clean energy systems. One novel approach involves utilization of relatively simple catalyzed vortex tubes, where hydrogen in the primarily para-nuclear spin isomer form is converted into the ortho-form while consuming a significant amount of heat. To design such systems effectively, better understanding is required about catalyst-assisted para-orthohydrogen conversion rates in high-speed vortical flows. In this study, a computational fluid dynamics simulation has been set up to model an experimental system with cryogenic hydrogen vortex tubes. Mesh-verification and a validation study has been conducted first for a non-catalyzed tube. Then, the rate coefficient of the para-orthohydrogen conversion of cryogenic hydrogen has been determined by matching numerical results with experimental data available for a catalyzed vortex tube. The presented information can help design and optimize cryogenic hydrogen cooling within vortex tubes.","PeriodicalId":92806,"journal":{"name":"Journal of fluid flow, heat and mass transfer","volume":"7 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85697619","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
Comparison of Two Toilet Bowls with the use of CFD 两种马桶的CFD比较
Journal of fluid flow, heat and mass transfer Pub Date : 2023-01-01 DOI: 10.11159/jffhmt.2023.017
Sefa Manav, Halil İbrahim Kemaneci, Boğaç Şimşir
{"title":"Comparison of Two Toilet Bowls with the use of CFD","authors":"Sefa Manav, Halil İbrahim Kemaneci, Boğaç Şimşir","doi":"10.11159/jffhmt.2023.017","DOIUrl":"https://doi.org/10.11159/jffhmt.2023.017","url":null,"abstract":"","PeriodicalId":92806,"journal":{"name":"Journal of fluid flow, heat and mass transfer","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135312856","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 Preliminary Investigation on the Geometrical Shape of Pulsating Heat Pipe under Hyper-Gravity Conditions 超重力条件下脉动热管几何形状的初步研究
Journal of fluid flow, heat and mass transfer Pub Date : 2023-01-01 DOI: 10.11159/jffhmt.2023.002
Cezary Czajkowski, Andrzej I. Nowak, Henrik Kassai, S. Pietrowicz
{"title":"A Preliminary Investigation on the Geometrical Shape of Pulsating Heat Pipe under Hyper-Gravity Conditions","authors":"Cezary Czajkowski, Andrzej I. Nowak, Henrik Kassai, S. Pietrowicz","doi":"10.11159/jffhmt.2023.002","DOIUrl":"https://doi.org/10.11159/jffhmt.2023.002","url":null,"abstract":"","PeriodicalId":92806,"journal":{"name":"Journal of fluid flow, heat and mass transfer","volume":"140 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73971861","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
Applications of Water Injection Using Power Dump Flood Technology and Power Optimization 蓄能注水技术的应用与功率优化
Journal of fluid flow, heat and mass transfer Pub Date : 2023-01-01 DOI: 10.11159/jffhmt.2023.011
Mohamed Abdelhady Ali Elembaby, A. Salem, S. K. Elsayed
{"title":"Applications of Water Injection Using Power Dump Flood Technology and Power Optimization","authors":"Mohamed Abdelhady Ali Elembaby, A. Salem, S. K. Elsayed","doi":"10.11159/jffhmt.2023.011","DOIUrl":"https://doi.org/10.11159/jffhmt.2023.011","url":null,"abstract":"","PeriodicalId":92806,"journal":{"name":"Journal of fluid flow, heat and mass transfer","volume":"13 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82910123","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
Thermal Response Analysis of a Cross-Flow PCM Heat Exchanger Based on Air and Liquid Flow 基于空气和液体流动的交叉流PCM换热器热响应分析
Journal of fluid flow, heat and mass transfer Pub Date : 2023-01-01 DOI: 10.11159/jffhmt.2023.012
Mahdi Momeni, Saman Jalilian, Amir Fartaj
{"title":"Thermal Response Analysis of a Cross-Flow PCM Heat Exchanger Based on Air and Liquid Flow","authors":"Mahdi Momeni, Saman Jalilian, Amir Fartaj","doi":"10.11159/jffhmt.2023.012","DOIUrl":"https://doi.org/10.11159/jffhmt.2023.012","url":null,"abstract":"","PeriodicalId":92806,"journal":{"name":"Journal of fluid flow, heat and mass transfer","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135911579","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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