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Paper
Title

Investigation of the effects of hot tube geometry on the efficiency of vortex tube refrigerators base on FVM analysis

Year: 1396
Publish place:
COI: ICET01_018
Language: EnglishView: 332
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Authors

Adib Bazgir - B.sc chemical engineering at Petroleum University of technology, Ahwaz, Iran

Abstract:

In this article, a Ranque–Hilsch Vortex Tube has been optimized utilizing divergence and convergence axial angles for hot tube. Effect of divergence and convergence angles on the flow behavior has been investigated by computational fluid dynamics (CFD) techniques. By using a RNG k-ԑ turbulence model based on finite volume method, all the computations have been carried out. The dimensions of the studied vortex tubes have been kept the same for all models and the performance of machine was studied under five different divergence angles ( α ), namely 1, 2, 3, 4 and 6 degree, two different convergence angles named 1 and 2 degree adjusted to the hot tube. Achieving a minimum cold exit temperature is the main goal of this numerical research. The results show that utilizing the divergent kind of hot tube improves the cooling capacity of device for most values of inlet mass flow rates. Finally, some results of the CFD models have been validated by the available experimental and numerical data and which show reasonable agreement, and other ones are compared qualitatively.

Keywords:

Ranque – Hilsch vortex tube; Divergent vortex tube; Convergent vortex tube; refrigeration; CFD

Paper COI Code

This Paper COI Code is ICET01_018. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/631614/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Bazgir, Adib,1396,Investigation of the effects of hot tube geometry on the efficiency of vortex tube refrigerators base on FVM analysis,کنفرانس بین المللی مهندسی و فن آوری اطلاعات,https://civilica.com/doc/631614

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Scientometrics

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Type of center: دانشگاه دولتی
Paper count: 1,942
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