Thermal Effect on the Transverse Vibration of High-Speed Rotating Anisotropic Disk

[+] Author and Article Information
N. C. Ghosh

Department of Mathematics, Jadavpur University, Calcutta, India 700 032

J. Appl. Mech 52(3), 543-548 (Sep 01, 1985) (6 pages) doi:10.1115/1.3169098 History: Received October 01, 1981; Revised October 01, 1983; Online July 21, 2009


An attempt has been made to consider the thermal effect on the transverse vibration of a high-speed rotating disk in a steady-state heat conduction. The material of the disk, in this case, is assumed to be thermomechanically anisotropic. The present attempt is made with an objective to provide some theoretical studies on the problem that may serve as a base from which more detailed investigations with regard to the usage of composite material may be attempted to gain new and needed design information regarding turbine disks and thereby to reduce the chances of turbine failure. In this connection a new critical speed of disk rotation has been obtained and consequently this critical speed is found to depend on central temperature, thermomechanical anisotropy, and so forth.

Copyright © 1985 by ASME
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