높은 레이놀즈수 난류예혼합 제트화염 전파의 수치계산Numerical Calculation of Turbulent Premixed Jet Flames at High Reynolds Number

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A numerical analysis of turbulent premixed jet flames within the thin laminar flamelet regime is described. An existing turbulent boundary layer model was used with a modified source term for reaction progress variable. The source term involves laminar burning velocity in order to account the effects of fuel equivalence ratios. The source term includes additional parameters which were obtained by matching with the measurements at φ=3.57, Re=40,000. Test results of the model were compared with existing measurements of turbulent premixed jet flames. The proposed model describes accurately the effects of fuel equivalence ratios on reaction progress variables, turbulent burning velocities, mean axial velocities on burner axis and axial velocity fluctuations. However the model slightly underestimated the measurements.
Publisher
한국항공우주학회
Issue Date
1998-01
Language
Korean
Citation

한국항공우주학회지, v.26, pp.143 - 149

ISSN
1225-1348
URI
http://hdl.handle.net/10203/72108
Appears in Collection
AE-Journal Papers(저널논문)
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