Experimental investigation of the performance of a Ranque-Hilsch vortex tube with regard to a plug located at the hot outlet

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Dincer K., Baskaya S., Uysal B. Z., ÜÇGÜL İ.

INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID, vol.32, no.1, pp.87-94, 2009 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 32 Issue: 1
  • Publication Date: 2009
  • Doi Number: 10.1016/j.ijrefrig.2008.06.002
  • Journal Name: INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.87-94
  • Keywords: Refrigeration system, Vortex tube, Ranque-Hilsch, Experiment, Performance, Parameter, Piping, Geometry, ENERGY SEPARATION, FLOW, UNCERTAINTY, PARAMETERS
  • Süleyman Demirel University Affiliated: Yes

Abstract

In this study, effects of position, diameter (5, 6, 7, 8 mm) and angle (30–180) of a mobile
plug, located at the hot outlet side in a Ranque–Hilsch Vortex Tube (RHVT), were
determined experimentally for best performance. In addition to plug parameters, effects
of supply pressure (200–420 kPa) and number of nozzles (2, 4, 6) were also studied. The
internal diameter (D) of the vortex tube used in the experiments was 9 mm; the ratio of
the length of the vortex tube to its diameter (L/D) was 15. Four different plug locations
were studied. The maximum difference in the temperatures of hot and cold streams was
obtained for the plug diameter of 5 mm, tip angles of 30 and 60, 4 nozzles and by keeping
the plug location at the far extreme end

In this study, effects of position, diameter (5, 6, 7, 8 mm) and angle (30 degrees-180 degrees) of a mobile plug, located at the hot outlet side in a Ranque-Hilsch Vortex Tube (RHVT), were determined experimentally for best performance. In addition to plug parameters, effects of supply pressure (200-420 kPa) and number of nozzles (2, 4, 6) were also studied. The internal diameter (D) of the vortex tube used in the experiments was 9 mm; the ratio of the length of the vortex tube to its diameter (L/D) was 15. Four different plug locations were studied. The maximum difference in the temperatures of hot and cold streams was obtained for the plug diameter of 5 mm, tip angles of 30 degrees and 60 degrees, 4 nozzles and by keeping the plug location at the far extreme end. (C) 2008 Elsevier Ltd and IIR. All rights reserved.