Journal ArticleDOI
Experimental study of the flow structure in a counter flow Ranque–Hilsch vortex tube
TLDR
In this paper, the authors investigated the mechanism of temperature separation in a counter-flow vortex tube and provided enough evidence that the flow in the tube consists of a forced vortex formed near the inlet gradually transforming to a free vortex at the hot end.About:
This article is published in International Journal of Heat and Mass Transfer.The article was published on 2012-10-01. It has received 60 citations till now. The article focuses on the topics: Vortex tube & Starting vortex.read more
Citations
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Journal ArticleDOI
The working principle of a vortex tube
TL;DR: In this paper, a detailed description of the flow behavior inside a vortex tube and the mechanism for the generation of cold and hot streams in a single injection in a vortex has been investigated.
Journal ArticleDOI
Experimental, computational and optimization studies of temperature separation and flow physics of vortex tube: A review
TL;DR: In this paper, a review of the experimental and numerical work carried out by various researchers on vortex tube is presented, where the core objective is to give deliberate consideration to quality outcomes of fewer unattended research work.
Journal ArticleDOI
Review of Ranque–Hilsch vortex tube experiments using air
Sudhakar Subudhi,Mihir Sen +1 more
TL;DR: A review of the literature on Ranque-Hilsch vortex tube experiments using air as the working fluid can be found in this paper, where the authors focus on the variables of interest and the important experimental results that have been obtained up to now.
Journal ArticleDOI
Three-dimensional and experimental investigation on the effect of cone length of throttle valve on thermal performance of a vortex tube using k–ɛ turbulence model
TL;DR: In this article, the effect of the geometrical parameters on vortex tube refrigeration capacity by using air as the working fluid was investigated by using a computational fluid dynamics model to predict the performances of the vortex tube system.
Journal ArticleDOI
Investigation of the energy separation effect and flow mechanism inside a vortex tube
Xingwei Liu,Zhongliang Liu +1 more
TL;DR: In this paper, a three-dimensional computational fluid dynamic model together with the experimentally validated turbulence model is established and an experimental measurement is carried out using an optimal structure of vortex tube so as to validate the computational model.
References
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Journal ArticleDOI
The use of the expansion of gases in a centrifugal field as cooling process.
TL;DR: The design of a vortex tube of good efficiency in which the expansion of a gas in a centrifugal field produces cold is described and the important variables in construction and operation are discussed and data for several tubes under various operating conditions are given.
Journal ArticleDOI
Secondary flow in a vortex tube
Boye Ahlborn,Stuart Groves +1 more
TL;DR: In this paper, a Pitot probe was used to measure the axial and azimuthal velocities in a vortex tube and the velocity field was determined from the measured velocity field in the 25 mm diameter vortex tube.
Journal ArticleDOI
A critical review of temperature separation in a vortex tube
TL;DR: In this paper, a critical review of current explanations on the working concept of a vortex tube is presented, and hypotheses of pressure, viscosity, turbulence, temperature, secondary circulation and acoustic streaming are discussed.
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Large eddy simulations of the flow field and temperature separation in the Ranque-Hilsch vortex tube
Tanvir Farouk,Bakhtier Farouk +1 more
TL;DR: In this article, a computational fluid dynamic model is used to predict the flow fields and the associated temperature separation within a Ranque-Hilsch vortex tube, and the large eddy simulation (LES) technique is employed for predicting the flow and temperature fields in the vortex tube.
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Numerical investigations on flow behaviour and energy separation in Ranque–Hilsch vortex tube
TL;DR: In this paper, a three-dimensional numerical model of Ranque-Hilsch vortex tube has been developed using the commercial CFD code (Star-CD) to analyze the flow parameters and energy separation mechanism inside the tube.