摘要
针对相同热管管径及蒸发段长度且不同泡沫铜填充长度的6组热管发生器进行了数值模拟,得到热管内蒸汽的体积分数及出口处的温度。通过Origin拟合得到了吸热量与泡沫铜的填充长度的关系式,并通过MATLAB的黄金分割法确定了最优填充长度。结果表明,当泡沫铜的填充长度为344mm时,其强化传热效果最好。研究结果为基于泡沫金属的热管换热器的优化设计提供了重要理论依据。
The 6 groups of heat pipe generators are involved,and each of them have the same of pipe diameter and length. But their filling lengths of metal foam filled in pipes are different. Their performance are simulated by FLUENT. So arethe curves and values of steam volume fraction and temperature at the pipe outlet. Then the relationship between filling length and performance is obtained by Origin. Therefor the the optimum filling length is determined by golden section method in MATLAB, and the result- shows that the heat transfer enhancement effect is best when the filling length of the copper foam is 344mm. It provides an important reference value and theoretical basis for the optimization design of heat pipe generator based on metal foam.
作者
崔海亭
赵华丽
刘东岳
CUI Hai- ting ZHAO Hua- li L IU Dong-yue(Hebei University of Science and Technology, Shijiazhuang 050018, China)
出处
《流体机械》
CSCD
北大核心
2016年第9期73-76,共4页
Fluid Machinery
基金
河北省自然科学基金(E2014208005)
作者简介
崔海亭（1964-）,男,教授,博士,主要从事蓄热与强化传热技术方面的研究,通讯地址：050018河北石家庄市裕翔街26号河北科技大学机械工程学院.
