RESEARCH PAPERS: Reliability, Stress Analysis, and Failure Prevention

Effect of Design Variables, Temperature Gradients, and Speed on Life and Reliability of a Rotating Disk

[+] Author and Article Information
E. V. Zaretsky

National Aeronautics and Space Administration, Lewis Research Center, Cleveland, OH 44135

T. E. Smith, R. August

Sverdrup Technology, Inc., Lewis Research Center, Cleveland, OH 44135

J. Vib., Acoust., Stress, and Reliab 111(3), 311-317 (Jul 01, 1989) (7 pages) doi:10.1115/1.3269858 History: Received March 21, 1988; Online November 23, 2009


A generalized methodology to predict the fatigue life and reliability of rotating disk such as used for aircraft engine turbines and compressors is advanced. The approach incorporates the computed life of elemental stress volumes to predict system life and reliability. Disk speed and thermal gradients as well as design variables such as disk diameter and thickness and bolt hole size, number, and location are considered.

Copyright © 1989 by ASME
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