| 四缸内燃机振动分析及其对策 |
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| 引用本文： | 徐兆坤,孙树亭,吴伟蔚,吴明威. 四缸内燃机振动分析及其对策[J]. 噪声与振动控制, 2007, 27(6): 50-53 |
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| 作者姓名： | 徐兆坤 孙树亭 吴伟蔚 吴明威 |
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| 作者单位： | 上海工程技术大学汽车工程学院 上海201620 |
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| 基金项目： | 上海市重点学科建设项目支柱 |
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| 摘 要： | 四缸内燃机主要存在2阶振动,通过测取不同工况下的示功图,研究四缸内燃机的倾覆力矩和往复惯性力及其力矩的2阶谐量在工况平面上的分布特性,提出了双轴平衡理论,分别对于3类发动机,特别是车用发动机提出了具体实用对策,能够同时完全平衡,或者部分平衡2阶气体不平衡力矩、惯性力和惯性力矩,并以振动较恶劣的车用柴油机为算例,研究不同工况下平衡轴所产生的平衡效果。
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| 关 键 词： | 振动与波 四缸内燃机 二阶谐量 双轴平衡 |
| 文章编号： | 1006-1355（2007）06-0050-04 |
| 收稿时间： | 2007-07-31 |
| 修稿时间： | 2007-08-29 |
Vibration Analysis and the Location of Balance Shaft on Four Cylinder Engine |
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| XU Zhao-kun,SUN Shu-ting,WU Wei-wei,WU Ming-wei. Vibration Analysis and the Location of Balance Shaft on Four Cylinder Engine[J]. Noise and Vibration Control, 2007, 27(6): 50-53 |
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| Authors: | XU Zhao-kun SUN Shu-ting WU Wei-wei WU Ming-wei |
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| Abstract: | Four-cylinder internal combustion engine mainly has second-order vibration.By measuring the indicator diagram under different operating modes,the distribution charaeteristics of four-cylinder en- gine's overturning moment and the second-order harmonic component of inertia force and moment in the operation plane is studied.A two-axle balance theory and practical strategies are proposed for 3 categories of engines,specially the automobile engine.The device can balance partially or completely the second- order gas force and inertia force and moment.Taken the seriously vibrating diesel engine as an example, the effect of the two-axle balance device is computed and explained. |
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| Keywords: | vibration and wave four-cylinder ICE second-order harmonic component two-axle balance device |
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