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Extended heat-transfer relation for an impinging laminar flame jet to a flat plate

In English

Författare

  • Martin Remie
  • Gustaf Särner
  • M Cremers
  • Alaa Omrane
  • K Schreel
  • Marcus Aldén
  • L.P.H. de Goey

Summary, in English

Many industrial applications use flame impingement to obtain high heat-transfer rates. An analytical expression for the convective

part of the heat transfer of a flame jet to a plate is derived. Therefore, the flame jet is approximated by a hot inert jet. In contradiction

with existing convective heat-transfer relations, our analytical solution is applicable not only for large distances between the jet and the

plate, but also for close spacings. Multiplying the convective heat transfer by a factor which takes chemical recombination in the cold

boundary layer into account, results in an expression for the heat flux from a flame jet to the hot spot of a heated plate. Numerical and

experimental validation show good agreement.

Publiceringsår

2008

Språk

Engelska

Sidor

1854-1865

Publikation/Tidskrift/Serie

International Journal of Heat and Mass Transfer

Volym

51

Issue

7-8

Dokumenttyp

Artikel i tidskrift

Förlag

Pergamon Press Ltd.

Ämne

  • Atom and Molecular Physics and Optics

Nyckelord

  • Phosphorescence
  • Heat transfer
  • Impinging flame jet
  • Oxy-fuel

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0017-9310