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IIR document
Introduction of annular vortex tube and experimental comparison with Ranque-Hilsch vortex tube.
Numerical investigation of vortex tubes with extended vortex chambers.
Small-scale vortex tubes in cryogenics.
The working principle of a vortex tube.
The thermal performance of a novel convergent valveless vortex tube.
Exergy analysis and experimental investigation of various vortex tube material with different combination of vortex generators.
Best vortex tube cascade for highest thermal separation.
Experimental study of the energy separation in a vortex tube.
Computational investigation of precessing vortex breakdown and energy separation in a Ranque–Hilsch vortex tube.
Vortex tubes used as expansion device in vapor compression systems.
Exergetic optimization of vortex tubes using a thermodynamic model.
A critical review on the flow structure studies of Ranque–Hilsch vortex tubes.
Estimation of Ranque-Hilsch vortex tube performance by machine learning techniques.
Simple model for flow field division and flow structure calculation in a vortex tube.
Refrigeration sector monitoring
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Vapour-compression alternatives to serve future HVAC applications
A March 2014 report* prepared for the US Department of Energy by Navigant Consulting identifies and evaluates 17 technologies which could potentially replace traditional vapour-compression technology in residential and commercial HVAC applications