Steady-state unbalance response of a three-disk flexible rotor on flexible, damped supportsExperimental 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.
Document ID
19780045417
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Cunningham, R. E. (NASA Lewis Research Center Cleveland, Ohio, United States)