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RESEARCH PAPERS

Flow Guiding and Distributing Devices on the Exhaust Side of Stationary Gas Turbines

[+] Author and Article Information
F. Fleischer, C. Koerner, J. Mann

G&H Montage GmbH, Ludwigshafen, Federal Republic of Germany

J. Eng. Gas Turbines Power 112(1), 80-85 (Jan 01, 1990) (6 pages) doi:10.1115/1.2906481 History: Received February 01, 1989; Online April 24, 2008

Abstract

Following repeated cases of damage caused to exhaust silencers located directly beyond gas turbine diffusers, this paper reports on investigations carried out to determine possible remedies. In all instances, an uneven exhaust gas flow distribution was found. The company’s innovative approach to the problem involved constructing a scale model of a complete gas turbine exhaust system and using it for flow simulation purposes. It was established for the first time that, subject to certain conditions, the results of tests conducted on a model can be applied to the actual turbine exhaust system. It is shown that when an unfavorable duct arrangement might produce an uneven exhaust flow, scale models are useful in the development of suitable flow-distributing devices.

Copyright © 1990 by The American Society of Mechanical Engineers
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