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发动机曲轴系统扭转振动分析 被引量:11

Analysis of Torsional Vibration in a Crankshaft System
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摘要 关于曲轴扭转振动特性的研究是基于在三角皮带轮上的测量结果,而不是那些与三角皮带轮有相对关系的结果。在三角皮带轮上的测量结果包括假设曲轴是弹性时的曲轴扭振和假设曲轴是刚性时的曲轴角速度随气缸压力波动的变化。认为评价曲轴系统扭转振动特性应该用相对角位移而不是在三角皮带轮上测量的扭转振动角位移。 The crankshaft torsional vibration characteristics was studied based on the results of measurement made at the pully. The results of the measurement included crankshaft torsion assuming the crankshaft to be elastic, and rotational speed changes due to cylinder pressure fluctuation assuming crankshaft to be rigid. The relative torsional amplitude should be used in evaluating torsional vibration characteristics, rather than torsional amplitude measured at the pulley.
出处 《噪声与振动控制》 CSCD 北大核心 2008年第4期60-64,共5页 Noise and Vibration Control
基金 国家863计划-燃料电池轿车项目(项目编号:2003AA501000) 上海交通大学机械系统与振动国家重点实验室开放研究基金资助(项目编号:VSN-2006-01) 广东省自然科学基金资助(项目编号:07006559)
关键词 振动与波 发动机 曲轴 振动/扭振 数值分析 vibration and wave engine crankshaft vibration/torsion numerical analysis
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