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Journal of Enhanced Heat Transfer
Facteur d'impact: 0.562 Facteur d'impact sur 5 ans: 0.605 SJR: 0.175 SNIP: 0.361 CiteScore™: 0.33

ISSN Imprimer: 1065-5131
ISSN En ligne: 1026-5511

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Journal of Enhanced Heat Transfer

DOI: 10.1615/JEnhHeatTransf.v24.i1-6.230
pages 321-328

DESIGN, EXPERIMENT AND MATHEMATICAL MODEL OF VORTEX HEAT EXCHANGER

B. Krasovitski
Department of Agricultural Engineering, Technion, Technion City, Haifa 32000, Israel
L. Tunkel
Universal Vortex Inc. P.O. Box 338, New Jersey 08555-0338 USA

RÉSUMÉ

The paper presents an investigation of a vortex tube (VT), operating with closed "hot" valve. A set of experiments conducted showed a substantial decrease of the outlet gas stagnation temperature and rise of the VT wall temperature. For this objective, a VT based heat exchanger was designed and built. The design was named as Vortex Heat Exchanger (VHE). The outlet gas temperature decreased as much as 27°C, depending on the cooling mode. The temperature may fall much lower than the cooling agent temperature. A model of the VHE, developed on the basis of the experimental data, permits prediction of the outlet flow temperature at various regimes.


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