CFD Based Simulation of Binary Droplet Coalescence
Publish Year: 1390
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
NCFDACCI03_032
تاریخ نمایه سازی: 17 دی 1389
Abstract:
Computational Fluid Dynamics (CFD) technique has been used to simulate the coalescence of binary water droplets. The Volume of Fluid (VOF) approach has been applied for interface tracking. In addition a parametric study has been carried out to investigate the coalescence time as a function of some parameters consisting of the collision velocity, oil viscosity, interfacial tension and off-center collision. The simulation results were validated by comparing with published experimental data. The results revealed that coalescence would be faster with higher collision velocity. Moreover, the larger interfacial tensions and less oil viscosity decrease the coalescence time. Dimensional analysis was used to concentrate the results in the form of a predicting correlation for coalescence time.
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Authors
M Mohammadi
Simulation and Control Research Laboratory, School of Chemical Engineering, Iran University of Science and Technology
S Shahhosseini
Simulation and Control Research Laboratory, School of Chemical Engineering, Iran University of Science and Technology
M Bayat
Research Institute of Petroleum Industry, Tehran, Iran
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