一种微小型多槽道平板热管传热特性的实验研究-红外技术.PDF

第31 卷 第1 期 红 外 技 术 Vol.31 No.1 2009 年1 月 Infrared Technology Jan. 2009 一种微小型多槽道平板热管传热特性的实验研究 1,2 3 刘一兵 ，丁 洁 （1.湖南大学 电气与信息工程学院，湖南 长沙 410082 ；2.邵阳职业技术学院机电工程系，湖南 邵阳 422000 ； 3.商丘职业技术学院机电工程系，河南 商丘 476000 ） 摘要：对微小型多槽道矩形结构的铜-水平板热管的启动特性以及热管的充液率、倾角及冷凝段的传 热能力对传热性能的影响进行了实验研究。结果表明：热管具有良好的启动特性，其最佳充液率在 1.3 左右，重力能辅助热管换热，改善热管的传热性能，提高冷凝段的冷凝能力能有效的提高热管的传热 性能。 关键词：微槽平板热管；传热性能；充液率；倾角 中图分类号：TK124 文献标识码：A 文章编号：1001-8891(2009)01-0044-03 The Experimental Investigation on Thermal Characteristics of Micro-Grooves Flat Heat Pipe LIU Yi-bing1,2, Ding –Jie3 (1.College of electrical and information engineering, Hunan University, Changsha Hunan 410082, China; 2.Department of mechanical and electric, shaoyang professional-technology college, shaoyang Hunan 422000, China 3.Department of mechanical and electric,shangqiu professional-technology college,shangqiu,476000,China) Abstract ：The thermal characteristics of the copper – water 、micro-grooves axially flat heat pipe ，including the startup features of the heat pipe, charge ratio, inclination and the heat of condensation on the ability of heat transfer performance were researched experimentally. The results showed that: heat pipe has a good startup features, its best charge ratio is 1.3, heat pipe heat exchanger can be assisted be gravity, the heat transfer performance improved, the improving of condensation ability can effectively raise the heat of the heat transfer performance. Key words ：micro-grooves flat heat pipe ；therm