Adiabatic and Boiling Liquid-vapor Flow Pressure Drop in a Serpentine Microchannel
Serpentine microchannel heat exchangers have extensive application potential owing to their compact structures and high heat-transfer coefficients. Existing studies on two-phase flow in serpentine channels have mostly used conventionally sized channels and focused on their curved sections. The analy...
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Journal of Refrigeration Magazines Agency Co., Ltd.
2024-08-01
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| Series: | Zhileng xuebao |
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| Online Access: | http://www.zhilengxuebao.com/thesisDetails#10.3969/j.issn.0253-4339.2024.04.139 |
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| author | Wang Ji Liu Ziqi Qiao Shanshan |
| author_facet | Wang Ji Liu Ziqi Qiao Shanshan |
| author_sort | Wang Ji |
| collection | DOAJ |
| description | Serpentine microchannel heat exchangers have extensive application potential owing to their compact structures and high heat-transfer coefficients. Existing studies on two-phase flow in serpentine channels have mostly used conventionally sized channels and focused on their curved sections. The analysis of the two-phase-flow pressure drop in serpentine microchannels cannot provide a complete theoretical explanation for practical applications. In this study, two-phase pressure drop in a serpentine microchannel with a hydraulic diameter of 0.65 mm and curvature radii of 1.2 mm, 1.8 mm, and 2.4 mm is experimentally investigated. Based on the experimental results, the proportion of pressure drop is calculated when the mass flow rate is 600 kg/(m<sup>2</sup>·s). The pressure drop changes were analyzed at mass flow rates of 600 kg/(m<sup>2</sup>·s), 1 200 kg/(m<sup>2</sup>·s), 1 800 kg/(m<sup>2</sup>·s), and 2 400 kg/(m<sup>2</sup>·s). Experimental data were compared with existing empirical two-phase-flow pressure-drop correlations; however, they showed poor agreement. |
| format | Article |
| id | doaj-art-e31dca0ce04a49fa9bd1904534783b61 |
| institution | DOAJ |
| issn | 0253-4339 |
| language | zho |
| publishDate | 2024-08-01 |
| publisher | Journal of Refrigeration Magazines Agency Co., Ltd. |
| record_format | Article |
| series | Zhileng xuebao |
| spelling | doaj-art-e31dca0ce04a49fa9bd1904534783b612025-08-20T02:47:13ZzhoJournal of Refrigeration Magazines Agency Co., Ltd.Zhileng xuebao0253-43392024-08-014513914968302344Adiabatic and Boiling Liquid-vapor Flow Pressure Drop in a Serpentine MicrochannelWang JiLiu ZiqiQiao ShanshanSerpentine microchannel heat exchangers have extensive application potential owing to their compact structures and high heat-transfer coefficients. Existing studies on two-phase flow in serpentine channels have mostly used conventionally sized channels and focused on their curved sections. The analysis of the two-phase-flow pressure drop in serpentine microchannels cannot provide a complete theoretical explanation for practical applications. In this study, two-phase pressure drop in a serpentine microchannel with a hydraulic diameter of 0.65 mm and curvature radii of 1.2 mm, 1.8 mm, and 2.4 mm is experimentally investigated. Based on the experimental results, the proportion of pressure drop is calculated when the mass flow rate is 600 kg/(m<sup>2</sup>·s). The pressure drop changes were analyzed at mass flow rates of 600 kg/(m<sup>2</sup>·s), 1 200 kg/(m<sup>2</sup>·s), 1 800 kg/(m<sup>2</sup>·s), and 2 400 kg/(m<sup>2</sup>·s). Experimental data were compared with existing empirical two-phase-flow pressure-drop correlations; however, they showed poor agreement.http://www.zhilengxuebao.com/thesisDetails#10.3969/j.issn.0253-4339.2024.04.139microchanneltwo-phase flowfrictional pressure dropflow boilingphase-change heat transfer |
| spellingShingle | Wang Ji Liu Ziqi Qiao Shanshan Adiabatic and Boiling Liquid-vapor Flow Pressure Drop in a Serpentine Microchannel Zhileng xuebao microchannel two-phase flow frictional pressure drop flow boiling phase-change heat transfer |
| title | Adiabatic and Boiling Liquid-vapor Flow Pressure Drop in a Serpentine Microchannel |
| title_full | Adiabatic and Boiling Liquid-vapor Flow Pressure Drop in a Serpentine Microchannel |
| title_fullStr | Adiabatic and Boiling Liquid-vapor Flow Pressure Drop in a Serpentine Microchannel |
| title_full_unstemmed | Adiabatic and Boiling Liquid-vapor Flow Pressure Drop in a Serpentine Microchannel |
| title_short | Adiabatic and Boiling Liquid-vapor Flow Pressure Drop in a Serpentine Microchannel |
| title_sort | adiabatic and boiling liquid vapor flow pressure drop in a serpentine microchannel |
| topic | microchannel two-phase flow frictional pressure drop flow boiling phase-change heat transfer |
| url | http://www.zhilengxuebao.com/thesisDetails#10.3969/j.issn.0253-4339.2024.04.139 |
| work_keys_str_mv | AT wangji adiabaticandboilingliquidvaporflowpressuredropinaserpentinemicrochannel AT liuziqi adiabaticandboilingliquidvaporflowpressuredropinaserpentinemicrochannel AT qiaoshanshan adiabaticandboilingliquidvaporflowpressuredropinaserpentinemicrochannel |