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RESEARCH PAPERS

Weak Extinction Limits of Turbulent Heterogeneous Fuel/Air Mixtures

[+] Author and Article Information
D. R. Ballal, A. H. Lefebvre

School of Mechanical Engineering, Purdue University, West Lafayette, Ind.

J. Eng. Power 102(2), 416-421 (Apr 01, 1980) (6 pages) doi:10.1115/1.3230272 History: Received January 04, 1979; Online September 28, 2009

Abstract

Experimental and theoretical studies are made of the factors governing the weak extinction limits of stabilized flames supplied with flowing mixtures of liquid fuel drops and air. The test program includes wide variations in inlet air pressure, velocity and turbulence level, and also covers wide ranges of fuel volatility and mean drop size. The influence of flameholder size and blockage is also examined. An equation is derived for predicting weak extinction limits which shows good agreement with the corresponding experimental values.

Copyright © 1980 by ASME
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