An Analysis of Axial Compressor Fouling and a Blade Cleaning Method

[+] Author and Article Information
A. P. Tarabrin

Polzunov Boiler and Turbine Research Institute, NPO CKTI, St. Petersburg, Russia

V. A. Schurovsky

Gas Research Institute, VNIIGAS, Moscow, Russia

A. I. Bodrov

Institute of Machine Building, PIMACH, St. Petersburg, Russia

J.-P. Stalder

Turbotect Ltd., Baden, Switzerland

J. Turbomach 120(2), 256-261 (Apr 01, 1998) (6 pages) doi:10.1115/1.2841400 History: Received February 01, 1996; Online January 29, 2008


The paper describes the phenomenon of axial compressor fouling due to aerosols contained in the air. Key parameters having effect on the level of fouling are determined. A mathematical model of a progressive compressor fouling using the stage-by-stage calculation method is developed. Calculation results on the influence of fouling on the compressor performance are presented. A new index of sensitivity of axial compressors to fouling is suggested. The paper gives information about Turbotect’s deposit cleaning method of compressor blading and the results of its application on an operating industrial gas turbine. Regular on-line and off-line washings of the compressor flow path make it possible to maintain a high level of engine efficiency and output.

Copyright © 1998 by The American Society of Mechanical Engineers
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