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RESEARCH PAPERS

Gas Turbine Reliability: How? How Much? Where?

[+] Author and Article Information
H. D. Lenz

Cooper Industries, EN-Tronic Controls, Mount Vernon, OH 43050

H. W. Hill

Ohio University, Electrical and Computer Engineering, Athens, OH 45701

J. Eng. Gas Turbines Power 111(2), 232-236 (Apr 01, 1989) (5 pages) doi:10.1115/1.3240241 History: Received September 15, 1987; Online October 15, 2009

Abstract

Methods to establish component reliability have been in existence for nearly forty years. However, these methods have not been applied to gas turbine systems, because of a lack of consistent definitions and methodology. This paper describes a systematic procedure for calculating control-system reliability, which also can be extended to calculations for mechanical equipment. This is accomplished by a computerized model. Using the results of this model, practical methods and configurations are described to improve gas turbine reliability, such as: redundancy of essential components; quality of components; environmental factors; sensing devices and actuators; and circuits and logic design. The paper also compares these methods and the resulting reliability improvements in system cost and complexity.

Copyright © 1989 by ASME
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