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http://dx.doi.org/10.5139/JKSAS.2006.34.2.075

Effects of Finite-Rate Chemistry and Film Cooling on Linear Combustion-Stability Limit in Liquid Rocket Engine  

Son, Chae-Hun (조선대학교)
Kim, Hong-Jip (한국항공우주연구원)
Heo, Hwan-Il (충남대학교)
Park, Lee-Seon (조선대학교)
Mun, Yun-Wan (한국항공우주연구원)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.34, no.2, 2006 , pp. 75-81 More about this Journal
Abstract
Thermal effect of finite-rate chemistry on linear combustion stability and film-cooling effect are investigated in sample rocket engines. The flow variables required to evaluate stability limits are obtained from CFD data with finite-rate chemistry adopted in three dimensional chamber. Major flow variables are affected appreciably by finite--rate chemistry and thereby, the calculated stability limits are modified. It is found that finite-rate chemistry contributes to stability enhancement in thermal point of view. And film cooling also has the effect of combustion stabilization.
Keywords
Linear Stability Limit; Liquid Rocket Engine; Finite-Rate Chemistry; Film Cooling;
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