RESEARCH PAPERS: Gas Turbines: Structures and Dynamics

Energy Analysis to the Design of Rotor-Bearing Systems

[+] Author and Article Information
W. J. Chen

Centrifugal Compressor Division, Ingersoll-Rand Company, Mayfield, KY 42066

J. Eng. Gas Turbines Power 119(2), 411-417 (Apr 01, 1997) (7 pages) doi:10.1115/1.2815590 History: Received March 15, 1995; Online November 19, 2007


In the design of rotating machinery, it is often desirable and necessary to change a subset of system parameters to meet the design requirements. The success in designing rotor-bearing systems and in solving the vibration problems depends heavily upon the understanding of fundamental physical properties and insights of the systems. The modeling improvements and computational techniques have been extensively presented over the years. The design methodologies and fundamental properties have not been widely addressed to assist design engineers in solving their practical problems. The objective of this paper is to relate the various forms of energy and work and their contributions to the system dynamic characteristics. The design strategies and methodologies using the energy approach are also presented and illustrated in a turbine-driven machine.

Copyright © 1997 by The American Society of Mechanical Engineers
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