分离式热管蒸发段充冷过程性能研究  

Study on performance of evaporation unit of separated heat pipe during charging process

作　　者：刘旭[1] 方贵银[1] 吴双茂[1] 

机构地区：[1]南京大学物理系,南京210093

出　　处：《低温与超导》2009年第8期32-36,共5页Cryogenics and Superconductivity

基　　金：国家自然科学基金项目(50776043);国家"863"项目(2006AA05Z222)资助

摘　　要：建立了分离式热管蒸发段充冷过程的数理模型,分析了在不同热管介质入口温度下热管蒸发段管外冰层厚度、热管介质出口温度、热管外蓄冷介质温度、单位时间蓄冷量以及总蓄冷量随时间的变化关系,研究结果表明,在热管蒸发段长度和管径一定的情况下,降低热管介质入口温度可以提高热管蒸发段单位时间蓄冷量、减小热管充冷时间。The mathematical and physical model of evaporation unit of separated heat pipe during charging process was built. The thickness of ice layer outside the evaporation unit of separated heat pipe, oudet temperature of heat pipe medium, the temperature of cool storage material outside heat pipe, the cool storage capacity per unit time and the total cool storage capacity of the evaporation unit of separated heat pipe with three different inlet temperature of heat pipe medium during the charging process were analyzed. The result indicates that the cool storage capacity per unit time of the evaporation unit of separated heat pipe can be increased, and the charging time of heat pipe can be decreased when the inlet temperature of heat pipe medium decreased at the same length and diameter of the evaporation unit of separated heat pipe.

关 键 词：分离式热管 蒸发段 充冷过程 充冷性能 

分 类 号：TK172.4[动力工程及工程热物理—热能工程] TP277[自动化与计算机技术—检测技术与自动化装置]