Steady-State Unbalance Response of a Three-Disk Flexible Rotor on Flexible, Damped Supports | Zendy

R. E. Cunningham | Zendy

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Steady-State Unbalance Response of a Three-Disk Flexible Rotor on Flexible, Damped Supports

Author(s) -

R. E. Cunningham

Publication year - 1978

Publication title -

journal of mechanical design

Language(s) - English

Resource type - Journals

ISSN - 0161-8458

DOI - 10.1115/1.3453969

Subject(s) - damper , critical speed , bearing (navigation) , rotor (electric) , frequency response , structural engineering , control theory (sociology) , engineering , steady state (chemistry) , helicopter rotor , range (aeronautics) , ball (mathematics) , mechanics , materials science , physics , mechanical engineering , computer science , mathematics , aerospace engineering , chemistry , mathematical analysis , electrical engineering , control (management) , astronomy , artificial intelligence

Experimental data are presented for the unbalance response of a flexible, ball bearing supported rotor to speeds above the third lateral bending critical. Values of squeeze film damping coefficients obtained from measured data are compared to theoretical values obtained from short bearing approximation over a frequency range from 5000 to 31,000 cycles/min. Experimental response for an undamped rotor is compared to that of one having oil squeeze film dampers at the bearings. Unbalances applied varied from 0.62 to 15.1 gm-cm.

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