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活塞二阶运动及活塞裙部摩擦的瞬态分析
  • 期刊名称：摩擦学学报
  • 时间：2010.3.3
  • 页码：184-189
  • 分类：TH134[机械工程—机械制造及自动化] TK401[动力工程及工程热物理—动力机械及工程]
  • 作者机构：[1]上海交通大学机械与动力工程学院,上海200240, [2]国核电站运行服务技术公司,上海200233
  • 相关基金：5致谢 本研究得到国家自然科学基金项目（50935004、50705055和50805091）和国家973计划项目（2006CB705402）的资助,在此表示感谢.
  • 相关项目：机械系统集成设计中的知识流理论与建模
作者： 张执南|张效翔|李响|谢友柏|
关键词： 活塞, 活塞二阶运动, 摩擦, 系统变惯量, 瞬态分析, piston, piston secondary motion, friction, variation in the system inertia, transient analysis
中文摘要：

为分析不同工况下内燃机活塞-缸套系统的摩擦学和动力学行为,本文从内燃机系统动力学分析入手,结合流体润滑方程,建立了考虑系统变惯量影响的活塞二阶运动与摩擦学行为的瞬态分析模型.以某型号单缸机为例,计算和比较了整个启动过程中曲轴转速、二阶运动及摩擦功耗的变化;对比分析了启动时第一周期与稳定运行时某一周期内活塞二阶运动和活塞裙部摩擦学行为的差别.结果表明：该模型可应用于内燃机动力学和摩擦学行为的稳态及瞬态分析.

英文摘要：

To better understand the piston secondary motion and tribological behaviors under different operating conditions,this paper presented a coupling model of the piston secondary dynamics and the fluid dynamic lubrication.Effects of the variation in the system inertia were considered in the model to study the transient behavior of piston secondary motion and piston skirt friction and friction loss.The variations of the engine speed,the piston secondary motion and piston skirt friction loss in the startup were simulated.The piston lateral motion and the piston skirt friction force in the startup and in the steady-state were analyzed.Results showed that the model can be applied to transient study the piston secondary motion and the piston skirt tirbological behavior.

同期刊论文项目
机械系统集成设计中的知识流理论与建模
期刊论文 69 会议论文 15 专利 3 著作 1
基于多学科瞬态模型的内燃机时变性能预测和系统退化识别
期刊论文 15 会议论文 2
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