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Vortex tube optimization theory

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  • Lewins, Jeffery
  • Bejan, Adrian

Abstract

The Ranque–Hilsch vortex tube splits a single high pressure stream of gas into cold and warm streams. Simple models for the vortex tube combined with regenerative precooling are given from which an optimization can be undertaken. Two such optimizations are needed: the first shows that at any given cut or fraction of the cold stream, the best refrigerative load, allowing for the temperature lift, is nearly half the maximum loading that would result in no lift. The second optimization shows that the optimum cut is an equal division of the vortex streams between hot and cold. Bounds are obtainable within this theory for the performance of the system for a given gas and pressure ratio.

Suggested Citation

  • Lewins, Jeffery & Bejan, Adrian, 1999. "Vortex tube optimization theory," Energy, Elsevier, vol. 24(11), pages 931-943.
    • Handle: RePEc:eee:energy:v:24:y:1999:i:11:p:931-943
    DOI: 10.1016/S0360-5442(99)00039-0
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    Cited by:

    1. Aydın, Orhan & Baki, Muzaffer, 2006. "An experimental study on the design parameters of a counterflow vortex tube," Energy, Elsevier, vol. 31(14), pages 2763-2772.
    2. Rafiee, Seyed Ehsan & Rahimi, Masoud, 2013. "Experimental study and three-dimensional (3D) computational fluid dynamics (CFD) analysis on the effect of the convergence ratio, pressure inlet and number of nozzle intake on vortex tube performance–," Energy, Elsevier, vol. 63(C), pages 195-204.
    3. Farzaneh-Gord, Mahmood & Sadi, Meisam, 2014. "Improving vortex tube performance based on vortex generator design," Energy, Elsevier, vol. 72(C), pages 492-500.
    4. Eiamsa-ard, Smith & Promvonge, Pongjet, 2008. "Review of Ranque-Hilsch effects in vortex tubes," Renewable and Sustainable Energy Reviews, Elsevier, vol. 12(7), pages 1822-1842, September.
    5. W. Rattanongphisat & S. B. Riffat & G. Gan, 2008. "Thermal separation flow characteristic in a vortex tube: CFD model," International Journal of Low-Carbon Technologies, Oxford University Press, vol. 3(4), pages 282-295, October.

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