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- In relation to this article, we declare that there is no conflict of interest.
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Received February 13, 2016
Accepted August 31, 2016
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Hydrodynamic characteristics of valve tray:Computational fluid dynamic simulation and experimental studies
Department of Mechanical Engineering, University of Horrmozgan, Bandar Abbas, Iran 1Young Researchers and Elites Club, Sirjan Branch, Islamic Azad University, Sirjan, Iran
Korean Journal of Chemical Engineering, January 2017, 34(1), 150-159(10), 10.1007/s11814-016-0250-z
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Abstract
In order to better understand the hydrodynamics of valve trays, air-water operation in an industrial scale tower with 1.2m of diameter, consisting of two 14% valve trays, was studied. Experimental results of clear liquid height, froth height, average liquid holdup, dry pressure drop, total pressure drop, weeping and entrainment were investigated, and empirical correlations were presented. Then, a three-dimensional computational fluid dynamics (CFD) simulation in an Eulerian framework for valve tray with ANSYS CFX software was done. The drag coefficient, which was used in the CFD simulations, was calculated from the data obtained in the experiments. The simulation results were found to be in good agreement with experimental data at this industrial scale. The objective of the work was to study the extent to which experimental and CFD simulations must be used together as a prediction and design tool for industrial trays.
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