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�������պ����ѧѧ�� 2004, Vol. 30 Issue (01) :5-8    DOI:
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���޺�, ���, �Ը���*
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Theoretical investigation of vibration attenuation mechanism of a adaptive squeeze film damper
Ma Yanhong, Hong Jie, Zhao Fuan*
School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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ժҪ �о��˴������𽺻�����Ӧ��ѹ��Ĥ������ASFD/MRR(Adaptive Squeeze Film Damper with Metal Rubber outer-Ring)�ļ������,��ASFD/MRR��ת���ᾱ�������������˶�����Ϊ����,��N-S���̡������������̳���,�Ƶ���ASFD/MRR����ŵ���̲��������Ĥѹ����.�Ա�ASFD/MRR�ͼ�ѹ��Ĥ������SFD���������ص�,ָ��SFD����ASFD/MRR��������ʽ,ASFD/MRR��������˫��̬��Ծ�ȷ������񶯵�����,�����ڸ���IJ�ƽ������Χ.
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Abstract�� Vibration attenuation mechanism of an adaptive squeeze film damper with metal rubber outer-ring(ASFD/MRR) was investigated. Based on static strength analysis and motional analysis of an ASFD/MRR and an axes-s neck of rotor, Reynold equations were deduced from Nevier-Stockes equation and liquid continuous equation,and pressure field of squeeze film was solved. Comparing vibration attenuation mechanism of ASFD/MRR with a squeeze film damper(SFD), the result indicates that SFD is a special form of ASFD/MRR. ASFD/MRR can markedly restrain the occurrence of nonlinear vibration phenomenon such as bistable characteristic and it can be suitable for wider range of unbalance level.
Keywords�� dampers   rotors   vibration attenuation   metal rubber     
Received 2002-09-19;


About author: ���޺�(1975-),Ů,����������,˶ʿ��, mayanh2002@126.com.
���޺�, ���, �Ը���.����Ӧ��ѹ��Ĥ������������������о�[J]  �������պ����ѧѧ��, 2004,V30(01): 5-8
Ma Yanhong, Hong Jie, Zhao Fuan.Theoretical investigation of vibration attenuation mechanism of a adaptive squeeze film damper[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2004,V30(01): 5-8
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