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Review of Ranque-Hilsch effects in vortex tubes

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  • Eiamsa-ard, Smith
  • Promvonge, Pongjet

Abstract

The vortex tube or Ranque-Hilsch vortex tube is a device that enables the separation of hot and cold air as compressed air flows tangentially into the vortex chamber through inlet nozzles. Separating cold and hot airs by using the principles of the vortex tube can be applied to industrial applications such as cooling equipment in CNC machines, refrigerators, cooling suits, heating processes, etc. The vortex tube is well-suited for these applications because it is simple, compact, light, quiet, and does not use Freon or other refrigerants (CFCs/HCFCs). It has no moving parts and does not break or wear and therefore requires little maintenance. Thus, this paper presents an overview of the phenomena occurring inside the vortex tube during the temperature/energy separation on both the counter flow and parallel flow types. The paper also reviews the experiments and the calculations presented in previous studies on temperature separation in the vortex tube. The experiment consisted of two important parameters, the first is the geometrical characteristics of the vortex tube (for example, the diameter and length of the hot and cold tubes, the diameter of the cold orifice, shape of the hot (divergent) tube, number of inlet nozzles, shape of the inlet nozzles, and shape of the cone valve. The second is focused on the thermo-physical parameters such as inlet gas pressure, cold mass fraction, moisture of inlet gas, and type of gas (air, oxygen, helium, and methane). For each parameter, the temperature separation mechanism and the flow-field inside the vortex tubes is explored by measuring the pressure, velocity, and temperature fields. The computation review is concentrated on the quantitative, theoretical, analytical, and numerical (finite volume method) aspects of the study. Although many experimental and numerical studies on the vortex tubes have been made, the physical behaviour of the flow is not fully understood due to its complexity and the lack of consistency in the experimental findings. Furthermore, several different hypotheses based on experimental, analytical, and numerical studies have been put forward to describe the thermal separation phenomenon.

Suggested Citation

  • 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.
    • Handle: RePEc:eee:rensus:v:12:y:2008:i:7:p:1822-1842
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    References listed on IDEAS

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    1. Lewins, Jeffery & Bejan, Adrian, 1999. "Vortex tube optimization theory," Energy, Elsevier, vol. 24(11), pages 931-943.
    2. 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.
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    Cited by:

    1. Konstantin I. Matveev & Jacob Leachman, 2021. "Numerical Simulations of Cryogenic Hydrogen Cooling in Vortex Tubes with Smooth Transitions," Energies, MDPI, vol. 14(5), pages 1-13, March.
    2. Jaime Guerrero & Antonio Alcaide-Moreno & Ana González-Espinosa & Roberto Arévalo & Lev Tunkel & María Dolores Storch de Gracia & Eduardo García-Rosales, 2023. "Reducing Energy Consumption and CO 2 Emissions in Natural Gas Preheating Stations Using Vortex Tubes," Energies, MDPI, vol. 16(13), pages 1-20, June.
    3. Thakare, Hitesh R. & Monde, Aniket & Parekh, Ashok D., 2015. "Experimental, computational and optimization studies of temperature separation and flow physics of vortex tube: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 52(C), pages 1043-1071.
    4. Farzaneh-Gord, Mahmood & Sadi, Meisam, 2014. "Improving vortex tube performance based on vortex generator design," Energy, Elsevier, vol. 72(C), pages 492-500.
    5. Artem Belousov & Vladimir Lushpeev & Anton Sokolov & Radel Sultanbekov & Yan Tyan & Egor Ovchinnikov & Aleksei Shvets & Vitaliy Bushuev & Shamil Islamov, 2024. "Hartmann–Sprenger Energy Separation Effect for the Quasi-Isothermal Pressure Reduction of Natural Gas: Feasibility Analysis and Numerical Simulation," Energies, MDPI, vol. 17(9), pages 1-25, April.
    6. Subudhi, Sudhakar & Sen, Mihir, 2015. "Review of Ranque–Hilsch vortex tube experiments using air," Renewable and Sustainable Energy Reviews, Elsevier, vol. 52(C), pages 172-178.
    7. Zhang, Bo & Guo, Xiangji, 2018. "Prospective applications of Ranque–Hilsch vortex tubes to sustainable energy utilization and energy efficiency improvement with energy and mass separation," Renewable and Sustainable Energy Reviews, Elsevier, vol. 89(C), pages 135-150.

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