Aerodynamic structure of a laminar boundary layer diffusion flame over a horizontal flat plate. (Experimental analysis)

Toshihisa Ueda, Akira Ooshima, Naoki Saito, Masahiko Mizomoto

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

Experimental investigations on the aerodynamic structure of a laminar boundary layer diffusion flame over a horizontal flat plate have been performed. When a fuel (methane) is injected upward, the velocity around a flame zone is locally accelerated, and the velocity gradient at the wall is increased as compared with that of an isothermal flow. On the other hand, when a fuel is injected downward, the velocity is retarded, and the velocity gradient at the wall is decreased not only in the downstream region of the leading flame edge but also in the upstream region. This shows that the gravitational force varies the local pressure distribution not only in the downstream region of the leading flame edge but also in the upstream region. It is also elucidated that the velocity gradient of the free stream velocity varies the velocity profiles in a boundary layer.

Original languageEnglish
Pages (from-to)527-532
Number of pages6
JournalJSME International Journal, Series 2: Fluids Engineering, Heat Transfer, Power, Combustion, Thermophysical Properties
Volume34
Issue number4
DOIs
Publication statusPublished - 1991 Jan 1

ASJC Scopus subject areas

  • Mechanical Engineering
  • Physical and Theoretical Chemistry
  • Fluid Flow and Transfer Processes

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