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矩形微槽乙醇水溶液传热特性数值模拟

席有民 余建祖 高红霞 曹学伟

席有民, 余建祖, 高红霞, 等 . 矩形微槽乙醇水溶液传热特性数值模拟[J]. 北京航空航天大学学报, 2008, 34(06): 695-698.
引用本文: 席有民, 余建祖, 高红霞, 等 . 矩形微槽乙醇水溶液传热特性数值模拟[J]. 北京航空航天大学学报, 2008, 34(06): 695-698.
Xi Youmin, Yu Jianzu, Gao Hongxia, et al. Numerical simulation of ethanol solution heat transfer in rectangular microchannels[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(06): 695-698. (in Chinese)
Citation: Xi Youmin, Yu Jianzu, Gao Hongxia, et al. Numerical simulation of ethanol solution heat transfer in rectangular microchannels[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(06): 695-698. (in Chinese)

矩形微槽乙醇水溶液传热特性数值模拟

基金项目: 国家自然科学基金资助项目(50676007)
详细信息
    作者简介:

    席有民(1978-),男,山西临汾人,博士生,xiym@163.com.

  • 中图分类号: V 434+.14

Numerical simulation of ethanol solution heat transfer in rectangular microchannels

  • 摘要: 由于影响微槽传热特性的因素较多,实验研究结果相互矛盾,使得实验研究和数值仿真相结合成为进一步深入认识微槽传热特性的有效手段.在实验研究的基础上,采用有限体积法对矩形微槽中体积浓度30%的乙醇水溶液传热特性进行了三维数值模拟. 矩形微槽采用两种不同对称结构和热边界条件,进口采用流动完全发展边界条件.对不同对称结构和物性条件(常物性和变物性)的计算结果进行了比较,并与实验结果进行了对比.研究表明,对所研究微槽结构和工质,采用流动完全发展进口条件,以及随温度变化的热物性参数,数值计算结果与实验结果基本吻合.

     

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出版历程
  • 收稿日期:  2007-05-23
  • 网络出版日期:  2008-06-30

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