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

ISBN Print: 978-1-56700-019-1

ISBN Online: 978-1-56700-446-5

EXPERIMENTAL AND NUMERICAL STUDIES OF TWO-PHASE FLOWS

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DOI: 10.1615/ICLASS-94.700
pages 544-551

P. Beard ONERA/CERT/DERMES, Toulouse, France

C. Mehring ITLR/Universitat Stuttgart, Stuttgart, Germany

D. Bissieres Aerospatiale Missiles, Les Gatines, 91370 Verrières le Buisson, France

Gerard La VERGNE Heterogeneous, Multiphase Flows Unit, Aerodynamic and Energetic Models Department, Office National d'Etudes et de la Recherche Aérospatiales (ONERA), 31055 Toulouse Cedex 4, France

Abstract

The first aim of this paper is to present and compare the different approaches used to study the turbulent droplet dispersion, and the second is to show the influence of the dispersed phase on the flow. Two basic configurations of unsteady turbulent flow (a wake flow and a backward facing step) are studied both experimentally and numerically. Experimental results are compared with those provided by an unsteady deterministic approach and stochastic models. Then a simulation of a spray-cooling application shows the importance of taking into account droplet source terms in the gas phase equations.

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