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http://dx.doi.org/10.5916/jkosme.2009.33.4.466

The Characteristics of the Flame Propagation Velocity and Volume Integral of Reaction Rate with the Variation of Fuel Injection Velocity for a Liftoff Flame  

Ha, Ji-Soo (계명대학교 에너지환경과학과)
Kim, Tae-Kwon (계명대학교 기계자동차공학부)
Park, Jeung (부경대학교 기계공학부)
Abstract
A numerical analysis of reactive flow in a liftoff flame is accomplished to elucidate the characteristics of flame propagation velocity and volume integral of reaction rate with the variation of fuel injection velocity at the fuel rich region, fuel lean region and diffusion flame region. The increase of fuel injection velocity enhances flame propagation velocity, but its effect on the flame propagation velocity is not much greater under 4%. The increase of fuel injection velocity affects directly and linearly on the flame surface area in the fuel rich region and so enhances volume integral of reaction rate to accommodate the increment of fuel.
Keywords
liftoff flame; flame propagation velocity; volume integral of reaction rate; flame surface area;
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