胡益聪，王晓艳，钱妍

（潍柴动力股份有限公司 发动机技术研究院，浙江 杭州 310030）

摘要：本文主要阐述了一维冷却计算中出现的问题、应对的策略及几点体会,特别是针对机体缸盖的压阻特性、水泵流量迭代及机油冷却器压降提取做了研究。

关键词：一维冷却；计算迭代；压力损失系数；压降；流量

Abstract：The paper mainly discusses the problems, strategies and ideas in the calculation of one dimensional cooling system, especially on the resistance of cylinder and cylinder head, the iteration of water pump flow rate, and the pressure drop of oil cooler.

Key words：One Dimensional Cooling System; Iterative Calculation;Pressure Loss Coefficient;Pressure Drop;Flow Rate