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裂纹转子参数扭振特性研究 被引量:4

STUDY ON PARAMETRIC TORSIONAL BEHAVIOUR OF A ROTOR WITH A CROSS SECTIONAL CRACK
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摘要 本文提出横向裂纹转子的可变抗扭刚度概念,建立参数扭振的单自由度动力学模型,从而指出裂纹转子在一定条件下存在扭失稳现象。在实验室条件下,作者对真实裂纹转子在不同联接条件下进行了试验,结果表明,裂纹转子存在参数扭振动现象。 Based on the concept of variable torsional stiffness of rotor with a sectional crack,thesingle degree freedom model of parametric torsional vibration is proposed.By means of a ro-tor with a true sectional crack,the behaviour of parametric torsional vibration is verified indynamic test.
出处 《中国纺织大学学报》 CSCD 1993年第5期42-47,共6页 Journal of China Textile University
关键词 扭转振动 参数振动 转子 裂纹转子 torsional vibration,parametric vibration,rotors variable torsional stiffness,crack rotors
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