The Influence of Fuel Hydrogen Content Upon Soot Formation in a Model Gas Turbine Combustor

[+] Author and Article Information
T. T. Bowden, J. H. Pearson, R. J. Wetton

Shell Research Limited, Thornton Research Centre, Chester, England

J. Eng. Gas Turbines Power 106(4), 789-794 (Oct 01, 1984) (6 pages) doi:10.1115/1.3239640 History: Received December 13, 1983; Online October 15, 2009


The sooting tendencies of various fuel blends containing either single-ring or polycyclic aromatics have been studied in a model gas turbine combustor at a pressure of 1.0 MPa and varying values of air/fuel ratio. Sooting tendencies were determined by flame radiation, exhaust soot, and infra-red absorption measurements. The results of this study have indicated that, even for fuels containing high concentrations of naphthalenes or tetralins (> 10 percent v), fuel total hydrogen content correlates well with fuel sooting tendency. The present results are explained by a hypothesis that assumes that the majority of soot is formed in regions of high temperature, low oxygen content, and low fuel concentration, e.g., the recirculation zone.

Copyright © 1984 by ASME
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