An experimental analysis for parallel connected two identical counter flow Ranque–Hilsch vortex tubes (RHVT) with different nozzle materials and numbers was conducted by using compressed air as a working fluid in this paper. Heating and cooling performance of vortex tube system (circuit) and the results of exergy analysis are researched comprehensively according to different inlet pressure, nozzle numbers, and materials. Nozzles made of polyamide plastic, aluminum, and brass were mounted into the vortex tubes individually for each case of experimental investigation with the numbers of nozzles 2, 3, 4, 5, and 6. The range of operated inlet pressure 150–550 kPa with 50 kPa variation. The ratio of length–diameter (L/D) of each vortex tube in the circuit is 14 and the cold mass fraction is 0.36. Coefficient of performance (COP) values, heating, and cooling capacity of the parallel connected RHVT system were evaluated. Further, an exergy analysis was carried out to evaluate the energy losses and second law efficiency of the vortex tube circuit. The greatest thermal performance was obtained with aluminum-six-nozzle when taking into account all parameters such as temperature difference, COP values, heating and cooling capacity, and exergy analysis.
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November 2018
This article was originally published in
Journal of Heat Transfer
Research-Article
Experimental Study About Performance Analysis of Parallel Connected Ranque–Hilsch Counter Flow Vortex Tubes With Different Nozzle Numbers and Materials
Hüseyin Kaya,
Hüseyin Kaya
Faculty of Engineering,
Mechanical Engineering,
Bartin University,
Bartin 74100, Turkey
e-mail: hkaya@personel.bartin.edu.tr
Mechanical Engineering,
Bartin University,
Bartin 74100, Turkey
e-mail: hkaya@personel.bartin.edu.tr
Search for other works by this author on:
Fahrettin Günver,
Fahrettin Günver
Graduate School of Natural and
Applied Sciences,
Mechanical Engineering,
Bartin University,
Bartin 74100, Turkey
e-mail: fgunver42@gmail.com
Applied Sciences,
Mechanical Engineering,
Bartin University,
Bartin 74100, Turkey
e-mail: fgunver42@gmail.com
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Onuralp Uluer,
Onuralp Uluer
Faculty of Technology,
Manufacturing Engineering,
Gazi University,
Ankara 06503, Turkey
e-mail: uluer@gazi.edu.tr
Manufacturing Engineering,
Gazi University,
Ankara 06503, Turkey
e-mail: uluer@gazi.edu.tr
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Volkan Kırmacı
Volkan Kırmacı
Faculty of Engineering,
Mechanical Engineering,
Bartin University,
Bartin 74100, Turkey
e-mail: volkankirmaci@gmail.com
Mechanical Engineering,
Bartin University,
Bartin 74100, Turkey
e-mail: volkankirmaci@gmail.com
Search for other works by this author on:
Hüseyin Kaya
Faculty of Engineering,
Mechanical Engineering,
Bartin University,
Bartin 74100, Turkey
e-mail: hkaya@personel.bartin.edu.tr
Mechanical Engineering,
Bartin University,
Bartin 74100, Turkey
e-mail: hkaya@personel.bartin.edu.tr
Fahrettin Günver
Graduate School of Natural and
Applied Sciences,
Mechanical Engineering,
Bartin University,
Bartin 74100, Turkey
e-mail: fgunver42@gmail.com
Applied Sciences,
Mechanical Engineering,
Bartin University,
Bartin 74100, Turkey
e-mail: fgunver42@gmail.com
Onuralp Uluer
Faculty of Technology,
Manufacturing Engineering,
Gazi University,
Ankara 06503, Turkey
e-mail: uluer@gazi.edu.tr
Manufacturing Engineering,
Gazi University,
Ankara 06503, Turkey
e-mail: uluer@gazi.edu.tr
Volkan Kırmacı
Faculty of Engineering,
Mechanical Engineering,
Bartin University,
Bartin 74100, Turkey
e-mail: volkankirmaci@gmail.com
Mechanical Engineering,
Bartin University,
Bartin 74100, Turkey
e-mail: volkankirmaci@gmail.com
1Corresponding author.
Contributed by the Heat Transfer Division of ASME for publication in the JOURNAL OF HEAT TRANSFER. Manuscript received March 7, 2018; final manuscript received June 21, 2018; published online July 23, 2018. Assoc. Editor: Amitabh Narain.
J. Heat Transfer. Nov 2018, 140(11): 112801 (8 pages)
Published Online: July 23, 2018
Article history
Received:
March 7, 2018
Revised:
June 21, 2018
Citation
Kaya, H., Günver, F., Uluer, O., and Kırmacı, V. (July 23, 2018). "Experimental Study About Performance Analysis of Parallel Connected Ranque–Hilsch Counter Flow Vortex Tubes With Different Nozzle Numbers and Materials." ASME. J. Heat Transfer. November 2018; 140(11): 112801. https://doi.org/10.1115/1.4040707
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