Full Annular Rig Development of the FT8 Gas Turbine Combustor

[+] Author and Article Information
T. G. Fox, B. C. Schlein

Pratt and Whitney Aircraft, Division of United Technologies, East Hartford, CT 06108

J. Eng. Gas Turbines Power 114(1), 27-32 (Jan 01, 1992) (6 pages) doi:10.1115/1.2906303 History: Received December 27, 1989; Online April 24, 2008


The results of developmental testing in a high-pressure, full annular combustion section of the FT8 industrial gas turbine are presented. Base power conditions were simulated at approximately 60 percent of burner pressure. All aspects of combustion performance with liquid fuel were investigated, including starting, blowout, exit temperature signature, emissions, smoke, and liner wall temperature. Configurational change were made to improve liner cooling, reduce emissions, adjust pressure loss, and modify exit temperature profile. The effects of water injection on emissions and performance were evaluated in the final test run. Satisfactory performance in all areas was demonstrated with further refinements to be carried out during developmental engine testing.

Copyright © 1992 by The American Society of Mechanical Engineers
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