| 不同油膜力模型下转子-圆柱轴承系统的动力学分析 |
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| 引用本文： | 焦映厚,李明章,陈照波.不同油膜力模型下转子-圆柱轴承系统的动力学分析[J].哈尔滨工业大学学报,2007,39(1):46-50. |
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| 作者姓名： | 焦映厚 李明章 陈照波 |
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| 作者单位： | 哈尔滨工业大学,机电工程学院,哈尔滨,150001 |
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| 基金项目： | 黑龙江省自然科学基金
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黑龙江省博士后科研启动基金
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黑龙江省哈尔滨市学科后备带头人基金 |
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| 摘 要： | 为了给实际转子-圆柱轴承系统进行非线性动力学分析和设计提供切实有效的非线性油膜力模型,分析了各种圆柱轴承非线性油膜力模型的计算精度和计算速度.对实际转子-圆柱轴承系统响应的相对误差、计算速度和非线性动力学特性进行了分析和比较,结果表明:综合考虑动力学特性,计算精度和计算速度几方面因素,数据库方法应为优先推荐采用的模型,其次为变分法模型.为旋转机械转子-圆柱轴承系统的非线性动力学分析和设计提供了必要的理论基础.
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| 关 键 词： | 非线性油膜力 椭圆轴承 转子系统 |
| 文章编号： | 0367-6234(2007)01-0046-05 |
| 修稿时间： | 2005-12-29 |
Dynamic analysis of rotor-cylindrical bearing system with different oil film force models |
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| JIAO Ying-hou,LI Ming-zhang,CHEN Zhao-bo.Dynamic analysis of rotor-cylindrical bearing system with different oil film force models[J].Journal of Harbin Institute of Technology,2007,39(1):46-50. |
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| Authors: | JIAO Ying-hou LI Ming-zhang CHEN Zhao-bo |
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| Affiliation: | 1. School of Mechanical and Electrical Engineering,Harbin Institute of Technology,Harbin 150001 ,China |
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| Abstract: | To provide efficient oil film models for nonlinear dynamic analysis and design of rotor-cylindrical bearing system,the calculation precision and speed of different nonlinear oil film models are analysed.The relative error,calculation speed and nonlinear dynamic performance of practical rotor-elliptic bearing system are analyzed and compared in cases of different cylindrical bearing oil film force models.Some valuable conclusions are obtained.This supply the helpful theoretical tools for nonlinear dynamic analysis and design of rotor-elliptic bearing systems in rotating machines. |
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| Keywords: | nonlinear oil film force cylindrical bearing rotor system |
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