中南大学学报（自然科学版）2013，Vol.44Issue(4)：1689-1694,6.
新型重力热管换热器传热特性的数值模拟
Numerical simulation on steady-state heat transfer characteristic of a novel gravity-assisted heat pipe heat exchanger
摘要
Abstract
A novel gravity-assisted heat pipe heat exchanger was presented. By reasonable simplification, a physical model of a single vertical channel was set up, and a mathematical model of steady-state heat transfer for condenser section and evaporator section was established respectively which adopted uniform heat flux boundary condition. The numerical simulation was carried out by engineering equation solver (EES). The results show that the numerical solution of thermal resistance varies in a very small range, which can not reflect the change of thermal resistance with the change of filling ratio; The liquid film becomes thicker when the heating power increases; the height of liquid pool in evaporator section increases with the increase of filling ratio; the height of liquid pool at lower heating power is higher than that at higher heating power when the filling ratio is lower, but the result is reverse if the filling ratio is higher.关键词
重力热管/换热器/稳态/传热Key words
gravity-assisted heat pipe/ heat exchanger/ steady-state/ heat transfer分类
能源科技引用本文复制引用
曹小林,曹双俊,马卫武,王芳芳,曾伟..新型重力热管换热器传热特性的数值模拟[J].中南大学学报（自然科学版）,2013,44(4):1689-1694,6.基金项目
中央高校基本科研业务费中南大学自由探索研究创新基金资助项目(201011200026) （201011200026）
中南大学博士后基金资助项目(2010年) （2010年）
