电场强化微槽道结构毛细芯蒸发器的传热特性

doi:10.3969/j.issn.0438-1157.2014.z1.023

化工学报 ›› 2014, Vol. 65 ›› Issue (S1): 144-151.DOI: 10.3969/j.issn.0438-1157.2014.z1.023

电场强化微槽道结构毛细芯蒸发器的传热特性

郭磊, 刁彦华, 赵耀华, 刘岩, 汪顺

北京工业大学建筑工程学院, 北京 100124

收稿日期:2014-01-24 修回日期:2014-01-28 出版日期:2014-05-30 发布日期:2014-05-30
通讯作者: 刁彦华
基金资助:
北京市自然科学基金项目（Z1004020201201）。

Heat transfer characteristics of evaporator with rectangular microgrooves under electric field

GUO Lei, DIAO Yanhua, ZHAO Yaohua, LIU Yan, WANG Shun

College of Architecture and Civil Engineering, Beijing University of Technology, Beijing 100124, China

Received:2014-01-24 Revised:2014-01-28 Online:2014-05-30 Published:2014-05-30
Supported by:
supported by the Natural Science Foundation of Beijing (Z1004020201201).

摘要/Abstract

摘要： 该实验以R141b作为工质，采用圆柱形电极，在不同运行压力条件下，实验研究了电场强度对微槽道结构换热表面蒸发/沸腾传热特性的影响。实验结果表明：随着电场强度的增加，传热强化效果越明显；运行压力对强化换热的效果具有重要的影响，在施加相同电场强度的条件下，不同运行压力的强化传热效果明显不同，传热系数最大可强化为未施加电场条件下传热系数的1.28倍。

关键词: 电场, 微槽道, 强化传热, 压力

Abstract: The influence of electric field on the evaporation/boiling heat transfer characteristic for an evaporator with rectangular micro-channels was experimentally investigated. R141b was used as the working fluid. The cylindrical electrode was used to produce electric field. The experimental result indicates that heat transfer enhancement is strongly dependent on the electric field strength. The heat transfer enhancement increase with the increase of the electric field strength. Furthermore, operating pressure has a strong influence on the evaporation/boiling heat transfer enhancement when the electric field strength keeps constant. The maximum enhancement of heat transfer coefficient is 1.28 times.

Key words: electric field, microchannels, heat transfer enhancement, pressure

中图分类号:

TU831

郭磊, 刁彦华, 赵耀华, 刘岩, 汪顺. 电场强化微槽道结构毛细芯蒸发器的传热特性[J]. 化工学报, 2014, 65(S1): 144-151.

GUO Lei, DIAO Yanhua, ZHAO Yaohua, LIU Yan, WANG Shun. Heat transfer characteristics of evaporator with rectangular microgrooves under electric field[J]. CIESC Journal, 2014, 65(S1): 144-151.

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电场强化微槽道结构毛细芯蒸发器的传热特性

Heat transfer characteristics of evaporator with rectangular microgrooves under electric field

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