Stability Analysis on a Crack Rotor System in the Special Speeds

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In this paper, the single disk rotor system with a transverse open and close crack has been taken as an example; the stability problem on the system in the special speeds has been discussed by theoretical analysis and experimental study. First, the conditions, positions and areas of the stable vibrations and the unstable vibrations on a rotor system with a transverse crack have been studied quantitatively theoretically. Not only the conclusions of other authors are verified,but also that the unstable vibrations are found in the regions near the rotational speed at 2/5and 2/7 of the critical speed in the large crack and the small damping case. Then the influence of some factors such as the crack depth parameters and the damping on stability of the system is qualitatively discussed.

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116-120

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March 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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[1] A TAMURA, YIWATA and H SATO: Unstable Vibration of a Rotor with a Transverse Crack. I. Mech.E. C322/88 (1988).

Google Scholar

[2] C. A, Papadopoulos and A.D. Dimarogonas: Stability of Cracked Rotors in the coupled Vibration Mode. ASME, Journal of Applied Mechanics, Vol. 110, (1988) p.356.

DOI: 10.1115/1.3269525

Google Scholar

[3] ALI HASAN. NAYEFH, DEAN T. MOOK: Nonlinear Oscillations.

Google Scholar

[4] C. A, Papadopoulos and A.D. Dimarogonas: Vibration of cracked shafts in Bending Journal. Sound and Vibration, , Vol. 91(1993), pp.583-593.

DOI: 10.1016/0022-460x(83)90834-9

Google Scholar

[5] C.S. HSU: Applications of the theory of impulsive parametric excitation and new treatments of general parametric excitation problem. ASME Journal of Applied Mechanics, (1973) pp.78-86.

DOI: 10.1115/1.3422976

Google Scholar