Flame Speeds in Fuel Sprays With Hydrogen Addition

[+] Author and Article Information
G. A. Richards, P. E. Sojka, A. H. Lefebvre

The Gas Turbine Combustion Laboratory, Thermal Sciences and Propulsion Center, School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907

J. Eng. Gas Turbines Power 111(1), 84-89 (Jan 01, 1989) (6 pages) doi:10.1115/1.3240231 History: Received November 30, 1987; Online October 15, 2009


The influence of hydrogen addition on the burning rates of kerosine sprays in air is studied experimentally. Flame speeds are measured as a function of fuel drop size, equivalence ratio, and hydrogen concentration. The results obtained show that evaporation rates have a controlling effect on flame speeds over wide ranges of mean drop size. They also demonstrate that the burning rates of liquid kerosine-air mixtures are augmented appreciably by the addition of small quantities of hydrogen to the air flowing into the combustion zone.

Copyright © 1989 by ASME
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