Streamwise distribution of the recovery factor and the local heat transfer coefficient to an impinging circular air jet

R. J. Goldstein, A. I. Behbahani, K. Kieger Heppelmann

Research output: Contribution to journalArticlepeer-review

236 Scopus citations

Abstract

An investigation of the radial distribution of the recovery factor and the local heat transfer for an axisymmetric impinging air jet formed by a smooth nozzle is described. The recovery factor is dependent on the jet nozzle to impingement plate spacing, but is independent of jet Reynolds number. The maximum stagnation region heat transfer occurs at a nozzle to impingement plate spacing of about eight jet diameters. A correlation is obtained for the average heat transfer from the surface.

Original languageEnglish (US)
Pages (from-to)1227-1235
Number of pages9
JournalInternational Journal of Heat and Mass Transfer
Volume29
Issue number8
DOIs
StatePublished - Aug 1986

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