冲击角对射流强化换热影响的数值研究  

NUMERICAL INVESTIGATION OF THE EFFECTS OF THE OBLIQUE ANGLE ON THE LOCAL PERFORMANCE OF IMPINGING JETS

作　　者：钱吉裕[1] 平丽浩 徐德好[1] 王长武 宣益民[1] 李强[1] 

机构地区：[1]南京电子技术研究所,1313-100信箱,江苏,南京,210013 南京电子技术研究所,1313-100信箱,江苏,南京,210013 南京电子技术研究所,1313-100信箱,江苏,南京,210013 南京电子技术研究所,1313-100信箱,江苏,南京,210013 南京理工大学动力工程学院,江苏,南京,210094 南京理工大学动力工程学院,江苏,南京,210094

出　　处：《工程热物理学报》2007年第z2期65-68,共4页Journal of Engineering Thermophysics

基　　金：江苏省博士后基金项目资助(No.01-620)

摘　　要：本文介绍了一种新型的冲击冷却型冷板,重点研究了冲击角对强化换热效果的影响以及对驻点位置的影响,并运用场协同理论分析了射流过程中强化换热的机理。A new type cold plate with jet impingement coohng was presented in this paper.The investigations mainly include the influence of oblique angle on the local heat transfer performance of the jet impingement.The relations between oblique angle and the position of stagnation point also had been study.The field coordination principle was used to analyze and explain the mechanism of heat transfer enhancement of jet impingement.

关 键 词：射流冷却 冷板 场协同理论 冲击角 

分 类 号：TH834[机械工程—仪器科学与技术]