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考虑连杆-曲轴变惯性影响的活塞二阶运动分析
  • 期刊名称：上海交通大学学报
  • 时间：2010.4.4
  • 页码：555-559
  • 分类：TK401.1[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
  • 相关基金：国家重点基础研究发展规划（973）项目（2006CB705402）; 国家自然科学基金资助项目（50935004 50705055 50805091）; 上海市科委资助项目（07JC14027）
  • 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|谢友柏|
关键词： 活塞二阶运动, 连杆, 变惯性, 内燃机, piston secondary motion, connecting rod, variable inertia, internal combustion engine
中文摘要：

为分析活塞二阶运动轨迹和裙部侧向力,提出一个包括连杆和曲柄动力学在内的活塞动力学和摩擦学耦合分析模型.该模型同时也将活塞环组摩擦力、活塞销和曲轴偏置、配缸间隙对活塞动力学和摩擦学的影响考虑在内.计算和比较了连杆和曲轴变惯性对活塞二阶运动和侧向力的影响,同时也分析了配缸间隙对活塞二阶运动的影响.结果表明,连杆变惯性及配缸间隙都对活塞二阶运动和裙部侧向力有重要影响.

英文摘要：

This paper presented a novel model with considering the effects of connecting rod-crankshaft variable inertia on the piston secondary motion.The corresponding computing program was developed to predict the piston trajectory and the side force of piston skirt.The results show that the connecting rod inertia variation has considerable effects on the piston secondary motion and the side force of piston skirt,while the effect of the crankshaft variable inertia is weak.The model can be applied to analyze various engine design parameters and operational conditions in the design of internal combustion engines.

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
内燃机全生命周期摩擦学、燃烧学及动力学行为耦合建模与性能计算研究
期刊论文 17 会议论文 6
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