Development of a Liquid-Fueled, Lean-Premixed Gas Turbine Combustor

[+] Author and Article Information
L. H. Cowell, K. O. Smith

Solar Turbines Inc., San Diego, CA 92101

J. Eng. Gas Turbines Power 115(3), 554-562 (Jul 01, 1993) (9 pages) doi:10.1115/1.2906743 History: Received February 06, 1992; Online April 24, 2008


Development of a lean-premixed, liquid-fueled combustor is in progress to achieve ultra-low NOx emissions at typical gas turbine operating conditions. A filming fuel injector design was tested on a bench scale can combustor to evaluate critical design and operating parameters for low-emissions performance. Testing was completed using No. 2 diesel. Key design variables tested include premixing length, swirler angle, injector centerbody diameter, and reduced liner cooling. NOx emissions below 12 ppmv at 9 bar pressure were measured. Corresponding CO levels were 50 ppmv. An optimized injector design was fabricated for testing in a three injector sector of an annular combustor. Operating parameters and test results are discussed in the paper.

Copyright © 1993 by The American Society of Mechanical Engineers
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