An Analysis of Axial Compressor Fouling and a Blade Cleaning Method

Author:

Tarabrin A. P.1,Schurovsky V. A.2,Bodrov A. I.3,Stalder J.-P.4

Affiliation:

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

2. Gas Research Institute, VNIIGAS, Moscow, Russia

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

4. Turbotect Ltd., Baden, Switzerland

Abstract

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.

Publisher

ASME International

Subject

Mechanical Engineering

Reference12 articles.

1. Aker G. F. , and SaravanamuttooH. I. H., 1989, “Predicting Gas Turbine Performance Deterioration Due to Compressor Fouling Using Computer Simulation Techniques,” ASME Journal of Engineering for Gas Turbines and Power, Vol. 111, pp. 343–350.

2. Diakunchak I. S. , 1992, “Performance Deterioration in Industrial Gas Turbines,” ASME Journal of Engineering for Gas Turbines and Power, Vol. 114, pp. 161–168.

3. Fuks, N. A., 1955, The Mechanism of Aerosols, Moscow, USSR Academy of Science.

4. Green, H., and Lane, W., 1964, Particulate Clouds: Dust, Smokes and Mist, 2nd ed., London.

5. Hoeft, R. F., 1993, “Heavy Duty Gas Turbine Operating and Maintenance Considerations,” GER-3620B, GE I&PS.

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