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雾化与喷雾
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ISSN 打印: 1044-5110
ISSN 在线: 1936-2684

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雾化与喷雾

DOI: 10.1615/AtomizSpr.v3.i3.30
pages 291-310

A SIMPLIFIED MAXIMUM-ENTROPY-BASED DROP SIZE DISTRIBUTION

Mehran Ahmadi
Amirkabir University of Technology
R. W. Sellens
Department of Mechanical Engineering, Queen's University at Kingston, Kingston, Ontario, Canada K7L 3N6

ABSTRACT

A simplified approach is presented for description of the drop size distribution in a spray, based on the application of the maximum entropy formalism (MEF). This approach succeeds in separating the constraints on drop she from those on drop velocity, providing results for the size distribution that are independent of the constraints on velocity. The solution is insensitive to the limits of integration, deriving all physical information directly from the constraint equations.
Results are presented that compare the present work with phase Doppler measurements by the authors, as well as with data from the literature. These results show that the MEF drop size distribution compares favorably with other methods of predicting and describing drop size distributions.


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