Computation of Nitric Oxide and Soot Emissions From Turbulent Diffusion Flames

[+] Author and Article Information
T. Ahmad, S. L. Plee, J. P. Myers

Engine Research Department, General Motors Research Laboratories, Warren, Mich. 48090

J. Eng. Gas Turbines Power 107(1), 48-53 (Jan 01, 1985) (6 pages) doi:10.1115/1.3239696 History: Received March 19, 1984; Online October 15, 2009


An existing steady-state, locally homogeneous flow model of turbulent spray combustion was modified to predict NO emission from a spray flame and soot emission from a gas-jet flame. The effect of turbulent fluctuations on the reaction rates was accounted for. The predicted NO emission from an n-pentane spray with a changing injection velocity could be correlated with the convective time scale of the flow. Calculation of soot emission from a burning turbulent gas jet indicated that the centerline soot concentration reaches a peak upstream of the maximum temperature location and then decreases due to soot oxidation and dilution by air entrainment.

Copyright © 1985 by ASME
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