Atomization and Sprays Journal of the International Institutes for Liquid Atomization and Spray Systems

ISSN for PRINT: 1045-5110

For Online Access

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1996, Volume6

Issue 5

124 pages

Issue price - $75.00

Jean Cousin
UMR 6614-CORIA, Technopole du Madrillet, B.P. 12 Avenue de l'Université 76801 Saint-Etienne du Rouvray Cedex, France

S. J. Yoon
Department of Mechanical Engineering, Chonbuk National University, Chonju, Chonbuk, South Korea

Christophe Dumouchel
UMR 6614—CNRS—CORIA, Université et INSA de Rouen, Laboratoire de Thermodynamique, Mont-Saint-Aignan, France

There are very few theoretical approaches dealing with the prediction of drop size distribution in spray, and it is still impossible to evaluate this important spray characteristic from theoretical considerations only. However, for the past 10 years the use of the maximum entropy formalism for this task has opened new directions of investigation. Unfortunately, so far, applications of this formalism to predict drop size distributions have never made use of theoretical information only and required measured mean drop diameters.
To overcome this problem, the drop size distribution is here determined from a formalism based on the maximization of the entropy, the required information of which is brought by the classical linear theory. Thus, a procedure to determine drop size distribution in sprays from theoretical considerations only is suggested and tested for a set of four swirl atomizers used with water. The agreement found between calculated and measured volume-based distributions is very good.

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