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Effects of geometric parameters on the separated air flow temperature of a vortex tube for design optimization

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  • Im, S.Y.
  • Yu, S.S.

Abstract

Vortex tubes are used in many industrial fields as parts for refrigerating machines due to their many intrinsic benefits. Although the use of these types of tubes has become common, the characteristics of energy separation associated with these tubes have yet to be vigorously researched. In this study, a counter-flow type of vortex tube is employed to investigate the energy separation characteristics with various geometric configurations. As a preliminary step, the effect of the nozzle area ratio and the inlet pressure were studied given a selected tube length (L = 14 D). The temperature distribution inside the vortex tube was measured to understand the physics of the energy separation phenomena. The measurement showed that the temperature distribution on the hot air side recovers to the inlet temperature at a cold air mass fraction of 0.5 (yc) with two types of nozzle area ratios. A parametric study was conducted to evaluate the performance of the vortex tube with various geometric structures and operating inlet pressures. The results show that variation of the cold exit orifice hole diameter significantly influences the energy separation between two exits.

Suggested Citation

  • Im, S.Y. & Yu, S.S., 2012. "Effects of geometric parameters on the separated air flow temperature of a vortex tube for design optimization," Energy, Elsevier, vol. 37(1), pages 154-160.
    • Handle: RePEc:eee:energy:v:37:y:2012:i:1:p:154-160
    DOI: 10.1016/j.energy.2011.09.008
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    References listed on IDEAS

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    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.
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    Cited by:

    1. 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.
    2. Farzaneh-Gord, Mahmood & Sadi, Meisam, 2014. "Improving vortex tube performance based on vortex generator design," Energy, Elsevier, vol. 72(C), pages 492-500.
    3. Manimaran, R., 2017. "Computational analysis of flow features and energy separation in a counter-flow vortex tube based on number of inlets," Energy, Elsevier, vol. 123(C), pages 564-578.
    4. Manimaran, R., 2016. "Computational analysis of energy separation in a counter-flow vortex tube based on inlet shape and aspect ratio," Energy, Elsevier, vol. 107(C), pages 17-28.
    5. Jinwon Yun & Eun-Jung Choi & Sangmin Lee & Younghyeon Kim & Sangseok Yu, 2023. "Evaluation of an Energy Separation Device for the Efficiency Improvement of a Planar Solid Oxide Fuel Cell System with an External Reformer," Energies, MDPI, vol. 16(9), pages 1-14, May.
    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. Kandil, Hamdy A. & Abdelghany, Seif T., 2015. "Computational investigation of different effects on the performance of the Ranque–Hilsch vortex tube," Energy, Elsevier, vol. 84(C), pages 207-218.

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