| 攻击角对纵向涡错排椭圆管板式翅片强化传热的影响 |
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| 引用本文： | 陈辉,许建林,王潇芹,梅元贵.攻击角对纵向涡错排椭圆管板式翅片强化传热的影响[J].制冷与空调(四川),2005,20(4):9-13. |
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| 作者姓名： | 陈辉 许建林 王潇芹 梅元贵 |
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| 作者单位： | 兰州交通大学,730070 |
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| 基金项目： | 兰州交通大学校科研和教改项目 |
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| 摘 要： | 利用萘升华传质/传热比拟实验方法,研究了纵向涡产生器攻击角对椭圆管板式翅片换热和阻力特性的影响,分析了纵向涡错排椭圆管板式翅片换热器在不同纵向涡产生器的攻击角时的传热与阻力特性,为换热器设计提供了一定的理论依据.
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| 关 键 词： | 涡产生器 强化传热 传质/传热比拟 |
Heat Transfer Enhancement and Pressure Drop of Finned Staggered Oval Tube Surfaces with longitudinal Vortex Generators on the Angles of Attack |
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| Chen Hui,Xu Jianlin,Wang Xiaoqin,Mei Yuangui.Heat Transfer Enhancement and Pressure Drop of Finned Staggered Oval Tube Surfaces with longitudinal Vortex Generators on the Angles of Attack[J].Refrigeration & Air-condition,2005,20(4):9-13. |
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| Authors: | Chen Hui Xu Jianlin Wang Xiaoqin Mei Yuangui |
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| Affiliation: | Institute of Thermal and Power Engineering, Lanzhou Jiaotong University 730070 |
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| Abstract: | This paper investigates the heat transfer and pressure drop characteristics of finned staggered oval tube heat exchanger surfaces with the longitudinal vortex generators by using naphthalene sublimation method.The paper evaluates the heat transfer performance on the condition of the variation of angles of attack using the evaluation methods of heat transfer factor, providing a theoretic basis for optimization design of the configuration of heat exchanger. |
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| Keywords: | Vortex Generators Heat Transfer Enhancement mass/heat transfer analogy |
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