Numerical investigation of jet impingement with cross flow - Comparison of yang-shih and standard k-ε turbulence models

Lamyaa A. El-Gabry, Deborah A. Kaminski

Research output: Contribution to journalArticle

41 Scopus citations

Abstract

Computational fluid dynamics models are used to predict the heat transfer distribution on a smooth surface under an array of angled impinging jets. The three-dimensional numerical models simulate impingement with cross flow in one direction. Jet angle is varied between 30°, 60°, and 90° as measured from the smooth flat impingement surface. Conjugate conduction in the heated boundary is included in the analysis. Two turbulence models are examined, the standard k-ε model and the Yang-Shih model. Local and average heat transfer coefficients are compared with test data for 30 test cases. The Yang-Shih model was able to predict average Nusselt number within 2-30%. The standard k-ε model predicts average Nusselt number with 0 to nearly 60% error.

Original languageEnglish (US)
Pages (from-to)441-469
Number of pages29
JournalNumerical Heat Transfer; Part A: Applications
Volume47
Issue number5
DOIs
StatePublished - Mar 15 2005
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Numerical Analysis
  • Condensed Matter Physics

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