发动机机械效率的影响因素及提高途径  

The influencing factors and improvement methods of engine mechanical efficiency

作　　者：刘帅[1] LIU Shuai(Hebei Normal University,Shijiazhuang 050024,Hebei,China)

机构地区：[1]河北师范大学,河北石家庄050024

出　　处：《柴油机设计与制造》2024年第2期35-40,共6页Design and Manufacture of Diesel Engine

基　　金：河北省自然科学基金项目(E2018205193);河北省教育厅重点项目(ZD2020320)。

摘　　要：发动机是汽车行驶的动力来源,其机械效率的高低对于汽车的运行效果有着重要影响。针对影响发动机机械效率的4个因素,即发动机转速、负荷、润滑条件、结构开展因素分析,提出发动机机械效率的提高途径,包括适当控制发动机转速、保证良好润滑效果、安装离合器风扇等。研究结果可为探索发动机性能优化的有效途径提供技术支持。The engine is the source of driving power for a car,and its mechanical efficiency has a significant impact on the operational performance of the car.Research is conducted on four factors that af-fect the mechanical efficiency of engines,including engine speed,load,lubrication conditions,and structure.Ways to improve the mechanical efficiency of engines are proposed,including controlling en-gine speed appropriately,ensuring good lubrication,installing clutch fans,etc.To provide theoretical support for exploring effective ways to optimize engine performance and promote the sustainable develop-ment of engine technology.

关 键 词：发动机 机械效率 影响因素 提高途径 

分 类 号：U464[机械工程—车辆工程]