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ICLASS 94<br>Proceedings of the Sixth International Conference on Liquid Atomization and Spray Systems

ISBN:
978-1-56700-019-1 (Print)
978-1-56700-445-5 (Online)

DISPERSION OF DROPLETS IN A SWIRLING PRESSURE ATOMIZED SPRAY FLAME

Cary Presser
NIST

J.T. Hodges
NIST, Gaithersburg, Maryland, USA

Ashwani K. Gupta
The Engineering Combustion Laboratory, Department of Mechanical Engineering, University of Maryland, College Park, MD 20742, USA

C. Thomas Avedisian
Sibley School of Mechanical & Aerospace Engineering, Cornell University, Ithaca, New York 14853

Abstract

The behavior of individual droplets in a kerosene pressure-atomized spray flame was investigated under swirling and burning conditions in order to gain a better understanding of individual droplet transport processes downstream of the fuel spray under combustion conditions. A two-component phase Doppler particle sizing system was employed to provide information on the droplet size and velocity distributions as well as arrival time statistics. Time-resolved information is presented on the instantaneous values of diameter, and the axial and radial velocity components of the droplets.