一维热力学仿真助力发动机技术路线制定  

1D Thermodynamic Simulation Assisted Engine Technology Route Formulation

作　　者：刘阳 李强 颜平涛 李红洲 LIU Yang;LI Qiang;YAN Pingtao;LI Hongzhou(Ningbo Geely Royal Engine Components Co.,Ltd.,Ningbo,Zhejiang,315336,China)

机构地区：[1]宁波吉利罗佑发动机零部件有限公司,浙江宁波315336

出　　处：《小型内燃机与车辆技术》2023年第5期18-25,共8页Small Internal Combustion Engine and Vehicle Technique

摘　　要：通过一维热力学仿真手段,在较短时间内完成多个压缩比,进、排气凸轮轴,集成式排气歧管方案的优化选型,以及三家供应商共18款增压器方案的匹配分析,最终制定出最佳的发动机技术路线。经试验验证,该技术路线能够同时满足发动机外特性及最佳热效率的开发目标。同时,一维热力学仿真为此次发动机技术路线的制定共计节省成本106.24万元人民币,缩短研发周期1536 h。By means of 1D thermodynamic simulation,optimization and selection of engine compression ratios,intake and exhaust valve profiles,integrated exhaust manifolds,and the coupling analysis of 18 turbocharger options offered by 3 suppliers were done in a short time.Finally,the optimal engine technology route was formulated.This route verified by the thermodynamic test can fulfill the engine full load torque development target,meanwhile the maximum thermal efficiency can also be realized.1D thermodynamic simulation has saved 1062400 RMB and 1536 hours for the new engine technology route formulation.

关 键 词：一维热力学仿真 发动机技术路线 研发成本 研发周期 

分 类 号：TK411.1[动力工程及工程热物理—动力机械及工程]