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    • Engine Metal Thermal Analysis Method Based on In Cylinder Combustion Analysis
    DOI：
    Key Words:engine  combustion analysis  heat transfer coefficient  friction  conduction
    Author NameAffiliation
    DING Ning ,XU Zheng,CHEN Ming,ZHANG Xiaomao,WANG Lingfang,WU Wenru 1.SAIC Motor Technical Center,Shanghai 201804,China
    2.Shanghai Key Laboratory of Automobile Power Train,Shanghai 201804,China 
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    Abstract:In order to improve the accuracy of engine head and block metal thermal analysis, a thermal analysis method based on the in-cylinder combustion analysis was put forward. First, the in-cylinder combustion analysis was performed to research convections according to the engine calibration. Then, the water jacket flow analysis was done to evaluate heat transfer coefficient. Next, the friction between piston rings and liner and the conduction between piston and liner were taken into account. Finally, the head and block thermal analysis was done based on the above thermal boundary conditions. The result shows that with the proposed method the head and block temperature ranges and distributions are very reasonable, and the temperatures show good consistency at the monitor points in the simulation and test.
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