重力热管技术研究与应用概述  

Overview of Two-phase Closed Thermosyphons Technology Research and Application

作　　者：任鹏飞 杨楠[2] REN Pengfei;YANG Nan(Dongfang Electric Corporation,611731,Chengdu,China;North China Electric Power University,102206,Beijing,China)

机构地区：[1]中国东方电气集团有限公司,成都611731 [2]华北电力大学,北京102206

出　　处：《东方电气评论》2024年第3期1-6,共6页Dongfang Electric Review

摘　　要：重力热管是一种高效的传热元件,因其结构简单、等温性良好、换热性能优异、不含有能动部件等特点,被广泛应用于各个领域。本文全面总结讨论了重力热管的传热机制,包括膜状冷凝和努塞尔理论、降膜蒸发和降膜沸腾等机理,并对相关的理论模型进行了讨论分析,给出了比较合适可靠的理论模型选择建议。此外还介绍了重力热管在工程领域的应用现状,指出了重力热管技术应用所面临的问题和发展方向。Two-phase Closed Thermosyphons is a highly efficient heat exchange element,which was widely used in various fields due to its simple structure,good isothermal performance,excellent heat transfer performance,and no active components.The theoretical mechanisms of heat transfer in two-phase closed thermosyphons was comprehensively summarized and discussed,including film condensation and Nusselt theory,falling film evaporation,and falling film boiling.Relevant theoretical models are discussed and analyzed,and suitable and reliable suggestions for selecting theoretical models are provided.In addition,the current application status of two-phase closed thermosyphons in the engineering field was introduced,and the problems and development directions faced by the application of two-phase closed thermosyphons technology were pointed out.

关 键 词：重力热管 相变 降膜蒸发/沸腾 应用 

分 类 号：TK172.4[动力工程及工程热物理—热能工程]