| 三种非线性力作用下高参数涡轮转子复杂运动响应 |
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| 引用本文： | 薛丽辉,曹树谦.三种非线性力作用下高参数涡轮转子复杂运动响应[J].工程力学,2011(7):210-216. |
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| 作者姓名： | 薛丽辉 曹树谦 |
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| 作者单位： | 天津大学机械工程学院;天津市非线性动力学与混沌控制重点实验室;内燃机燃烧学国家重点实验室; |
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| 基金项目： | 国家自然科学基金项目(10632040); 教育部高校博士点基金项目(200800560037); 天津市自然科学基金项目(09JC2DJC26800) |
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| 摘 要： | 考虑油膜力、气流力和密封力等三种非线性力,建立单跨对称弹性转子的动力学方程。采用Matlab软件对方程进行数值积分,研究系统在转速、气流速度和密封间隙改变时的动力学行为,并考虑到高转速、大的气流速度等高参数及密封小间隙影响。结果表明：转速的改变,使系统出现周期1运动、周期3运动、周期4运动和概周期运动等复杂动力学行为;...
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| 关 键 词： | 转子 油膜力 气流力 密封力 非线性动力学 |
COMPLEX RESPONSE OF A HIGH-PARAMETER TURBO ROTOR MODEL UNDER THREE NONLINEAR FORCES |
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| XUE Li-hui,CAO Shu-qian,.COMPLEX RESPONSE OF A HIGH-PARAMETER TURBO ROTOR MODEL UNDER THREE NONLINEAR FORCES[J].Engineering Mechanics,2011(7):210-216. |
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| Authors: | XUE Li-hui CAO Shu-qian |
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| Affiliation: | XUE Li-hui1,CAO Shu-qian1,2,3(1.School of Mechanical Engineering,Tianjin University,Tianjin 300072,China,2.Tianjin Key Laboratory of Nonlinear Dynamics and Chaos Control,3.State Key Laboratory of Engines,China) |
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| Abstract: | The dynamic equations of a flexible symmetrical rotor of a single span under three nonlinear forces,the oil film force,the airflow force and the seal force are established.Considering the parameters of high speed,large airflow velocity and a small seal clearance,the dynamic behavior of the system is studied with a numerical integration method by the software of Matlab.The results show that: with the change of rotary speed,the system shows a complex dynamic behavior containing periodic movements and quasi-pe... |
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| Keywords: | rotor nonlinear oil film force Alford force nonlinear seal force nonlinear dynamics |
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