应用CFD优化设计柴油机配气正时  

Optimization of Valve Timing for Diesel Engine by CFD

作　　者：焦天民[1] 周龙保[1] 

机构地区：[1]西安交通大学能源与动力工程学院,西安710049

出　　处：《内燃机工程》2002年第5期34-37,共4页Chinese Internal Combustion Engine Engineering

摘　　要：应用时空守恒元与解元方法,模拟计算、分析配气正时对充气效率及泵气功损失的影响,优化设计柴油机的配气正时。The effects of valve timing in diesel engines on volumetric efficiency and pumping loss are analyzed by the method of space-time conservation element and solution element. Based on the results, inlet and outlet valve timings for a diesel engine have been optimized.

关 键 词：CFD 内燃机 数值模拟 配气正时 柴油机 时空守恒元/解元方法 

分 类 号：TK422[动力工程及工程热物理—动力机械及工程]