| 车用柴油机台架轴系扭转振动及其减震器效应 |
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| 引用本文： | 段远才,骆子夜,欧阳源,向阳. 车用柴油机台架轴系扭转振动及其减震器效应[J]. 华中科技大学学报(自然科学版), 1990, 0(2) |
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| 作者姓名： | 段远才 骆子夜 欧阳源 向阳 |
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| 作者单位： | 华中理工大学船舶与海洋工程系(段远才，骆子夜)，山西柴油机厂(欧阳源)，山西柴油机厂(向阳) |
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| 摘 要： | 本文在对车用柴油机硅油减震器轴系的扭转振动分析的基础上,给出了该柴油机危险谐次转速下的扭转振动特性图谱,根据这些图谱可以预测轴系有关参量改变时的扭转振动状况和曲轴自由端的最大振幅变化。文中分析了车用柴油机台架试验时扭转振动的自由端振幅超过允许限的原因。提出了轴系的最佳匹配方案。
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| 关 键 词： | 柴油机 扭转振动 减震器 振动 |
An Investigation on the Torsional Vibration and Viscous-Fluid Damper Effect of the Vehicle Diesel Engine on the Testbed |
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| Duan Yuancai Luo Ziye Ouyang Yuan Xiang Yang. An Investigation on the Torsional Vibration and Viscous-Fluid Damper Effect of the Vehicle Diesel Engine on the Testbed[J]. JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE, 1990, 0(2) |
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| Authors: | Duan Yuancai Luo Ziye Ouyang Yuan Xiang Yang |
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| Affiliation: | Duan Yuancai Luo Ziye Ouyang Yuan Xiang Yang |
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| Abstract: | Based on an analysis of the torsional vibration characteristics of the shaft system of a vehicle diesel engine with the viscous-fluid damper on the testbed, charts with patterns of the torsional vibration of dangerous harmonic order have been plotted. By these charts, the maximum amplitude of torsional vibration of the shaft system can be estimated and the cause of the excessive amplitude can be analyzed. A feasible scheme for improving the designs with suitable adjustment of the masses and stiffness of the shaft system is proposed.The effect of the viscous-fluid damper and the highly flexible (rubber)coupling on the reduction of the vibration amplitude have been studied indetail. |
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| Keywords: | Diesel engine Torsional vibration Viscous-fluid damper Mechanical vibration. |
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