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The effect of the degree of mixing on the partially-premixed flame speed

From National Research Council Canada

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Affiliation
  1. National Research Council Canada. NRC Institute for Aerospace Research
  2. National Research Council Canada. NRC Institute for Chemical Process and Environmental Technology
SponsorSearch for: The Combustion Institute
FormatText, Article
ConferenceCombustion Institute Canadian Section, 2007 Spring Technical Meeting, May 13-16, Banff, Alberta
SubjectCombustion; Analysis; Partially-Premixed; Modelling
Abstract
A relationship between the partially-premixed deflagration speed and the local degree of mixing was derived based on simple scaling laws. The results are validated by comparison with direct numerical simulations of the primitive equations. The correct trend is observed regarding the decrease of speed from the planar premixed deflagration down to the diffusion flame quenching with the narrowing of the local mixing-layer. Satisfactory agreements are also obtained considering the increase in the robustness of the flame with asymmetry of its tip.
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  • 2007 Spring Technical Meeting Combustion Institute/Canadian Section, Session G, Paper 7 (2007): 1–6.
LanguageEnglish
NRC numberNRCC 51578
GTL-2007-0025
NPARC number8894821
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Record identifier6c7dcfc3-63a5-47c7-bb04-b97bfefa738a
Record created2009-10-02
Record modified2020-05-10
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