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RESEARCH PAPERS: Gas Turbines: Combustion and Fuels

An Experimental and Computational Study of Swirling Hydrogen Jet Diffusion Flames

[+] Author and Article Information
M. S. Anand

Allison Engine Company, Indianapolis, IN 46206

F. Takahashi, M. D. Vangsness, M. D. Durbin, W. J. Schmoll

University of Dayton Research Institute, Dayton, OH 45469

J. Eng. Gas Turbines Power 119(2), 305-314 (Apr 01, 1997) (10 pages) doi:10.1115/1.2815576 History: Received March 16, 1995; Online November 19, 2007

Abstract

Computations using the joint velocity-scalar probability density function (pdf) method as well as benchmark quality experimental data for swirling and nonswirling hydrogen jet diffusion flames are reported. Previous studies of diffusion flames reported in the literature have been limited to nonswirling flames and have had no detailed velocity data reported in the developing (near-nozzle) region of the flames. The measurements and computations reported herein include velocities (mean and higher moments up to fourth order) and temperature (mean and variance) near the burner exit and downstream locations up to 26.5 jet diameters. The velocities were measured with a three-component laser-Doppler velocimeter (LDV) and the temperature was measured using coherent anti-Stokes Raman spectroscopy (CARS). The joint pdf method offers significant advantages over conventional methods for computing turbulent reacting flow, and the computed results are in good agreement with data. This study serves to present data that can be used for model validation as well as to validate further the joint pdf method.

Copyright © 1997 by The American Society of Mechanical Engineers
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