A Comparison of Simple Models of Turbulent Droplet Diffusion Suitable for Use in Computations of Spray Flames

[+] Author and Article Information
P. Ward, N. Collings, N. Hay

Department of Mechanical Engineering, University of Nottingham, Nottingham, NG7 2RD, U.K.

J. Eng. Gas Turbines Power 107(3), 690-694 (Jul 01, 1985) (5 pages) doi:10.1115/1.3239790 History: Received December 01, 1982; Online October 15, 2009


An exact analysis of the diffusion of droplets in turbulent flow, taking account of the random nature of the flow and the range of length and time scales, is very involved and the equations derived are not necessarily solvable. For this reason spray models have usually not included liquid turbulent diffusion effects. Simpler models of turbulent diffusion of droplets are compared in this paper and equations suitable for insertion into existing spray models that require little extra computational effort are derived.

Copyright © 1985 by ASME
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