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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN Печать: 2152-5102
ISSN Онлайн: 2152-5110

Выпуски:
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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v24.i4-6.100
pages 534-543

Experimental Investigation of Polydisperse Spray Interaction

Günter Brenn
Institute of Fluid Mechanics and Heat Transfer Graz University of Technology Inffeldgasse 25/F, Graz 8010, Austria
A. Selbach
Imperial College of Science, Technology & Medicine, Department of Mechanical Engineering, Exhibition Road, London, U.K.

Краткое описание

The present work treats experimentally the interaction of two polydisperse hollow-cone sprays. The process, although of considerable significance for chemical industries and applications like flue gas cleaning, is not very well represented in existing literature on sprays. This may be due to difficulties in getting general results from experiments involving particular geometries like hollow-cone sprays with fixed spray angle and geometrical arrangement. The present work develops a generally applicable representation of the interacting spray flows and of the effects of spray mixing on the resulting flow. The measurement technique used is phase-Doppler anemometry (PDA) which provides information about the size and two velocity components of the drops at each measurement position in the sprays. A factorial design of the experiments enables the influence of intersection angle and liquid flowrate of the sprays on resultant characteristics like an integral mean drop size in a spray cross section to be quantified. For different values of these parameters, the downstream evolution of the interacting sprays is observed and quantified by the smoothness of average-value profiles of the drop size.


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