| 转子临界转速的试验－解析法 |
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| 引用本文： | 胡璧刚,赵明,任平珍.转子临界转速的试验－解析法[J].振动．测试与诊断,1996(4). |
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| 作者姓名： | 胡璧刚 赵明 任平珍 |
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| 作者单位： | 西北工业大学动力工程系 |
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| 摘 要： | 实际的转子由于力学模型的建立，诸如支承刚度等的确定存在一些困难，因此单纯依据计算或试验难以精确地确定临界转速。本文采用试验－解析法确定某试验转子的一阶临界转速，并采用传递矩阵法计算转子的各阶纯弯曲临界转速和弯、扭耦合临界转速，以及各阶临界转速的位能分配。
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| 关 键 词： | 试验－解析法，临界转速，横向振动固有频率 |
An Experimental Analytic Method for Determination of Critical Speed of a Rotor |
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| Hu,Bigang,Zhao,Ming,Ren,Pingzhen.An Experimental Analytic Method for Determination of Critical Speed of a Rotor[J].Journal of Vibration,Measurement & Diagnosis,1996(4). |
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| Authors: | Hu Bigang Zhao Ming Ren Pingzhen |
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| Abstract: | The critical speed of an actual rotor is quite difficult to determine accurately only by calculations or experiments due to some difficulties in establishing its mechincal model,e.g.the support stiffiness etc.In this paper,the first critical speed of an experimental rotor is obtained by using an experimental analytic method. The transfer matirx method is also used to calculate the critical speeds of different order of pure bending and twisting bending coupling modes, and the distribution of the potential evergy to different critical speeds. |
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| Keywords: | experimental analytic method critical speed lateral vibration inherent frequency |
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