THERMAL SCIENCE

International Scientific Journal

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Alireza Hossein Nezhad

,

Rahim Shamsoddini

NUMERICAL THREE-DIMENSIONAL ANALYSIS OF THE MECHANISM OF FLOW AND HEAT TRANSFER IN A VORTEX TUBE

ABSTRACT
A fully three-dimensional computational fluid dynamic model is used to analyze the mechanism of flow and heat transfer in a vortex tube. Vortex tube is a simple circular tube with interesting function and several industrial applications and contains one or more inlets and two outlets. It is used as a spot cooling device in industry. The past numerical investigations of vortex tube have been performed with the two-dimensional axisymmetric assumption but in the present work this problem is studied fully three-dimensional without making that assumption. Using this model, appropriate numerical results are presented to clarify physical understanding of the flow and energy separation inside the vortex tube. It is observed that there are considerable differences between the results of the two aforementioned models, and that the results of fully three-dimensional model are more accurate and agree better with available experimental data. Moreover, the parameters affecting the cooling efficiency of the vortex tube are discussed.
KEYWORDS
vortex tube, two nozzles, numerical, fully three-dimensional
PAPER SUBMITTED: 2008-08-12
PAPER REVISED: 2008-11-11
PAPER ACCEPTED: 2008-12-27
DOI REFERENCE: https://doi.org/10.2298/TSCI0904183N
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2009, VOLUME 13, ISSUE Issue 4, PAGES [183 - 196]
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Numerical three-dimensional analysis of the mechanism of flow and heat transfer in a vortex tube

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence