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An integral model for gas entrainment into full cone sprays

Published online by Cambridge University Press:  23 July 2001

G. E. COSSALI
G. E. COSSALI
Affiliation:
Facoltà di Ingegneria, Università di Bergamo, Via Marconi, 6, I-24044 Dalmine (BG), Italy
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Abstract

The paper proposes a one-dimensional model for predicting gas entrainment into a non-evaporating full cone steady spray injected into a stagnant gas at uniform pressure. The main outcome is a law relating the entrained mass flow rate to injected mass flow rate, gas properties, mean droplet diameter and axial distance from the nozzle. A comparison with available experimental data is presented. The model allows the apparent inconsistency of the experimental results obtained under different conditions to be eliminated by identifying two new non-dimensional parameters.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 439 , 25 July 2001 , pp. 353 - 366
Copyright
© 2001 Cambridge University Press

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