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Theoretical Estimation of Maximum Ellipsoidal Magnitude of a Low-Viscosity Droplet in a Parallel Gas Stream

Published online by Cambridge University Press:  15 July 2015

Z.-B. Wang ,
H.-F. Bai ,
J.-X. Xia ,
H.-Q. Zhong  and
Y.-C. Li
Z.-B. Wang*
Affiliation:
State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation Engineering, Southwest Petroleum University, Chengdu, China
H.-F. Bai
Affiliation:
State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation Engineering, Southwest Petroleum University, Chengdu, China
J.-X. Xia
Affiliation:
State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation Engineering, Southwest Petroleum University, Chengdu, China
H.-Q. Zhong
Affiliation:
State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation Engineering, Southwest Petroleum University, Chengdu, China
Y.-C. Li
Affiliation:
State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation Engineering, Southwest Petroleum University, Chengdu, China
*
*Corresponding author (swpuwzb@163.com)
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Abstract

Maximum ellipsoidal magnitude of the droplet is an important basic parameter for calculating drag force, droplets axial-velocity and dispersed-phase pressure gradient in an annular-mist pipe flow. An analytical correlation to predict the maximum ellipsoidal magnitude of a low-viscosity droplet in a parallel gas stream based on energy conservation and volume conservation. Stagnant pressure distribution on droplet surface is revised from Flachsbart's formula. The proposed correlation has clear physical meaning and easy to use. The correlation captures the deformation mechanism with an average absolute percent error of 9.53%. The effect of stagnant pressure distribution on the proposed correlation's accuracy is discussed.

Keywords

Liquid drop deformationDrop breakupEllipsoidal magnitudeStagnant pressure distribution
Type
Research Article
Information
Journal of Mechanics , Volume 31 , Issue 6 , December 2015 , pp. 727 - 732
Copyright
Copyright © The Society of Theoretical and Applied Mechanics, R.O.C. 2015 

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References

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