Pulse Combustion: Impinging Jet Heat Transfer Enhancement1

P. A. Eibeck, J. O. Keller, T. T. Bramlette, D. J. Sailor

Research output: Contribution to journalArticle

40 Scopus citations

Abstract

A new method for convective heat transfer enhancement is described. The technique involves the use of a pulse combustor to generate a transient jet that impinges on a flat plate. Enhancements in convective heat transfer of a factor of up to 2.5, compared to a steady impinging jet at approximately the same Reynolds number, have been obtained. Heat transfer data for several experimental configurations are presented. Flow field visualizations and theoretical calculations are used to suggest an enhancement mechanism.

Original languageEnglish (US)
Pages (from-to)147-165
Number of pages19
JournalCombustion science and technology
Volume94
Issue number1-6
DOIs
StatePublished - Nov 1 1993
Externally publishedYes

Keywords

  • augmented heat transfer
  • convection
  • impinging jets
  • pulsed jets

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Fuel Technology
  • Energy Engineering and Power Technology
  • Physics and Astronomy(all)

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