CIESC Journal

• TRANSPORT PHENOMENA & FLULD MECHANICS • 上一篇    下一篇

板翘式换热器物流分配特性的实验研究

张哲; 厉彦忠; 许箐   

  1. School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2004-02-28 发布日期:2004-02-28
  • 通讯作者: 张哲

Experimental Research on Flow Maldistribution in Plate-Fin Heat Exchangers

ZHANG Zhe; LI Yanzhong; XU Qing   

  1. School of Energy and Power Engineering, Xi'an Jiaotong University, Xi'an 710049, China
  • Received:1900-01-01 Revised:1900-01-01 Online:2004-02-28 Published:2004-02-28
  • Contact: ZHANG Zhe

摘要: The flow maldistribution and the effect of different inlet configuration on the flow
distribution in platefin heat exchangers were studied experimentally. It is found that the
flow maldistribution is serious because of the defects of inlet configurations, while the
inlet configuration and Reynolds number are the main factors affecting the flow
distribution. The improved inlet configurations, which are the header with a two-stage
distributing configuration and the guide vane with a fluid complementary cavity were
proposed and tested in this paper. The experimental results show that the improved inlet
configurations can effectively improve the performance of flow distribution in heat
exchangers.

关键词: plate-fin heat exchanger;flow distribution;inlet configuration

Abstract: The flow maldistribution and the effect of different inlet configuration on the flow
distribution in platefin heat exchangers were studied experimentally. It is found that the
flow maldistribution is serious because of the defects of inlet configurations, while the
inlet configuration and Reynolds number are the main factors affecting the flow
distribution. The improved inlet configurations, which are the header with a two-stage
distributing configuration and the guide vane with a fluid complementary cavity were
proposed and tested in this paper. The experimental results show that the improved inlet
configurations can effectively improve the performance of flow distribution in heat
exchangers.

Key words: plate-fin heat exchanger, flow distribution, inlet configuration