| 带次流道的波状细通道热沉熵产分析 |
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| 引用本文： | 林清宇,朱礼,孙瑞娟,冯振飞,刘鹏辉,何荣伟.带次流道的波状细通道热沉熵产分析[J].广西科学,2017,24(3):323-326. |
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| 作者姓名： | 林清宇 朱礼 孙瑞娟 冯振飞 刘鹏辉 何荣伟 |
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| 作者单位： | 1. 广西大学化学化工学院,广西石化资源加工及过程强化技术重点实验室,广西南宁 530004;2. 沧州职业技术学院,河北沧州,061000 |
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| 基金项目： | 广西石化资源加工及过程强化技术重点实验室主任基金项目，广西大学科研基金项目 |
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| 摘 要： | 【目的】探究次流道对细通道热沉换热性能的影响。【方法】使用CFD软件对常规直细通道热沉(CMS)、波状细通道热沉(WMS)、带次流道的波状细通道热沉(WMS-S)3种细通道热沉进行数值模拟和对比分析。【结果】WMS和WMS-S的传热系数k比CMS显著增加,低Re数时,WMS-S比WMS的传热性能略有增加,且WMS-S的传热不可逆损失较小。【结论】在低Re数时,次流道能有效增强波状细通道热沉传热系数k,且能够减小传热不可逆造成的能量损失。
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| 关 键 词： | 细通道热沉 熵产率 次流道 |
| 收稿时间： | 2016/12/4 0:00:00 |
Entropy Generation Analysis of Wave Mini-Channel Heat Sink With Secondary Passages |
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| LIN Qingyu,ZHU Li,SUN Ruijuan,FENG Zhenfei,LIU Penghui and HE Rongwei.Entropy Generation Analysis of Wave Mini-Channel Heat Sink With Secondary Passages[J].Guangxi Sciences,2017,24(3):323-326. |
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| Authors: | LIN Qingyu ZHU Li SUN Ruijuan FENG Zhenfei LIU Penghui and HE Rongwei |
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| Institution: | Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, School of Chemistry and Chemical Engineering, Guangxi University, Guangxi, Nanning, 530004, China,Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, School of Chemistry and Chemical Engineering, Guangxi University, Guangxi, Nanning, 530004, China,Vocational and Technical College of Cangzhou, Cangzhou, Hebei, 061000, China,Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, School of Chemistry and Chemical Engineering, Guangxi University, Guangxi, Nanning, 530004, China,Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, School of Chemistry and Chemical Engineering, Guangxi University, Guangxi, Nanning, 530004, China and Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, School of Chemistry and Chemical Engineering, Guangxi University, Guangxi, Nanning, 530004, China |
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| Abstract: | Objective]To investigate the effect of secondary passages on heat transfer mini-channel heat sinks.Methods]Numerical simulations were carried to study conventional mini-channel heat sink,wave mini-channel heat sink,wave mini-channel heat sink with secondary passages with CFD software.Results]The results shows that the heat transfer coefficient k of WMS and WMS-S is significantly higher than that of CMS,and at low Re number the heat transfer performance of WMS-S is slightly higher than that of WMS,and the irreversible loss of WMS-S is smaller. Conclusion]At low Re number,the secondary passages can effectively enhance the heat transfer coefficient k of the corrugated fine channel and reduce the energy loss caused by heat transfer irreversibility. |
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| Keywords: | mini-channel heat sink entropy generation rate secondary passage |
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