高原发动机热管理系统性能分析研究.pdfVIP

2010( 32) 10 Automotive Engineering 2010(Vol. 32) No. 10 2010174 * 1 1 1 2 3 1 汪茂海, 陈 涛, 张扬军 , 杨 宏, 刘景平,诸葛伟林 ( 1清华大学, 汽车安全与节能国家重 实验室, 北京 100084; 2总装工程兵科研二所, 北京 100093; 3广东大华仁盛科技有限公司, 广州 510540) [] , ,,, , :; ; ; A Research on the PerformancesAnalyses ofEngine ThermalM anagement System at Plateau 1 1 1 2 3 1 W angM aohai , Chen Tao , Zhang Y angjun , Y ang Hong , L iu Jingping ZhugeW e ilin 1Tsinghua University, StateK ey Laboratory of Automotive Saf ety and Energy, Bejiing 100084; 2The 2nd Institute of Eng ineering Corps, EH, Bejiing 100093; 3 uang Dong Dahua Science and Technology Co. , L td. , uangzhou 510540 [Ab stract ased on the influence of plateau environm ent on the performance, fuel economy and reliability of engine, some corrections aremade in calculating engine performances and related parameters of cooling system at high altitude, and amodel for engine thermalmanagement system isbuilt. The performances analyses and mi prove ment design for a specific construction vehicle are conducted, effectively resolving the overheat problem at plateau while enhancing the fuel economy of engine. K eyw ord s: engine; p lateau condition; th erm alm anagem ent; system analysis , , 2 000m 1 1/3 11 , [ 1- 2] , [ 3] , 3 000m , 4 000m