汽车管芯式散热器的热力特性  

Thermo-Performance Study of Automobile Tube-Core-Fin Radiator

作　　者：周博[1] 关颖[2] 崔洪江[2] 席明智[3] 

机构地区：[1]大连交通大学轨道交通技术学院,辽宁大连116028 [2]大连交通大学交通运输工程学院,辽宁大连116028 [3]内蒙古工业大学能源与动力工程学院,内蒙古呼和浩特010051

出　　处：《大连交通大学学报》2010年第3期24-27,共4页Journal of Dalian Jiaotong University

摘　　要：对管芯式散热器试件进行传热与阻力试验研究,得出在一定雷诺数范围内管芯式散热器试件的空气侧对流换热系数和阻力系数的准则关系式,理论计算值与试验值的最大相对误差为6.61%.并分析得出水管排数对散热器试件换热性能和空气阻力的影响关系.Experiment research on heat transfer and pressure drop performance of a tube-core-fin radiator was carried out,and the criterion equations of heat transfer and drop performance of the radiator were obtained in a given Reynolds number range.The maximum relative error between the computed and the test results is 6.61%,and the effect of the number of tube rows of the radiator on heat transfer and air pressure drop is analyzed.

关 键 词：管芯式散热器 换热性能 准则方程 空气阻力系数 

分 类 号：U464.138.2[机械工程—车辆工程]