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RESEARCH PAPERS

Development of a Low NOx Lean Premixed Annular Combustor

[+] Author and Article Information
P. B. Roberts, A. J. Kubasco

Solar Turbines Inc., San Diego, Calif.

N. J. Sekas

National Aeronautics & Space Administration, Lewis Research Center, Cleveland, Ohio

J. Eng. Power 104(1), 28-35 (Jan 01, 1982) (8 pages) doi:10.1115/1.3227260 History: Received December 05, 1980; Online September 28, 2009

Abstract

An atmospheric test program was conducted to define a low NOx annular combustor concept suitable for a supersonic, high-altitude aircraft application. The lean premixed combustor, known as the Vortex Air Blast (VAB) concept, was tested as a 22.0 cm diameter model in the early development phases to arrive at basic design and performance criteria. Final demonstration testing was carried out on a full scale combustor of 0.66 m diameter. Variable geometry dilution ports were incorporated to allow operation of the combustor across the range of conditions between idle (Tin = 422 K, Tout = 917 K) and cruise (Tin = 833 K, Tout = 1778 K). Test results showed that the design could meet the program NOx goal of 1.0 g NO2 /kg fuel at a reduced atmospheric cruise condition.

Copyright © 1982 by ASME
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