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Titolo:
Dynamics of the vortex structure of a jet impinging on a convex surface
Autore:
Fleischer, AS; Kramer, K; Goldstein, RJ;
Indirizzi:
Univ Minnesota, Inst Technol, Dept Mech Engn, Minneapolis, MN 55455 USA Univ Minnesota Minneapolis MN USA 55455 h Engn, Minneapolis, MN 55455 USA Villanova Univ, Villanova, PA 19085 USA Villanova Univ Villanova PA USA 19085 anova Univ, Villanova, PA 19085 USA Penn State Univ, University Pk, PA 16802 USA Penn State Univ University Pk PA USA 16802 v, University Pk, PA 16802 USA
Titolo Testata:
EXPERIMENTAL THERMAL AND FLUID SCIENCE
fascicolo: 3-4, volume: 24, anno: 2001,
pagine: 169 - 175
SICI:
0894-1777(200105)24:3-4<169:DOTVSO>2.0.ZU;2-K
Fonte:
ISI
Lingua:
ENG
Soggetto:
HEAT-TRANSFER; ROUND JET; FLOW; VISUALIZATION; IMPINGEMENT; GAS;
Keywords:
jet impingement; jet impingement cooling; jet dynamics; curved surface; flow visualization;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
11
Recensione:
Indirizzi per estratti:
Indirizzo: Goldstein, RJ Univ Minnesota, Inst Technol, Dept Mech Engn, 125 Mech Engn Bldg,111 Church Str SE, Minneapolis, MN 55455 USA Univ Minnesota 125 Mech Engn Bldg,111 Church Str SE Minneapolis MN USA 55455
Citazione:
A.S. Fleischer et al., "Dynamics of the vortex structure of a jet impinging on a convex surface", EXP THERM F, 24(3-4), 2001, pp. 169-175

Abstract

Smoke-wire flow visualization is used to investigate the behavior of a round jet issuing from a straight tube and impinging on a convex surface. Video analysis of the impinging jet shows the initiation and growth of ring vortices in the jet shear layer and their interaction with the cylindrical surfaces. Effects of relative curvature, nozzle-to-surface distance, and Reynolds number on vortex initiation, vortex separation from the surface and vortex breakup are described. Examples of vortex merging are discussed. (C) 2001 Elsevier Science Inc. All rights reserved.

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Documento generato il 31/03/20 alle ore 17:46:08