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Numerical Analysis of a Highly Unstable Detonation Considering Viscosity and Turbulence Effects  

Kang, Ki-Ha ((주)한화 여수공장)
Shin, Jae-Ryul ((주)대우건설 기술연구원)
Cho, Deok-Rae (부산대학교 대학원 항공우주공학과)
Choi, Jeong-Yeol (부산대학교 항공우주공학과)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.15, no.4, 2011 , pp. 57-64 More about this Journal
Abstract
It has been suggested that turbulent effect should be considered for the study of highly unstable detonation of hydrocarbon fuels, as in the case of pulse detonation engine (PDE). A series of numerical study are carried out to understand the characteristics of the highly unstable detonation by considering viscosity, turbulence model and turbulence-combustion interaction model. Through studies of the different levels of modeling, it is understood that the viscosity and turbulence have negligible effects on low frequency characteristics, but tend to enhance the high frequency characteristics. It is also considered that the turbulence-chemistry interaction model should be taken the influence of the activation energy into account for detonation studies.
Keywords
Highly Unstable Detonation; Viscous Effect; Turbulence Combustion Interaction;
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Times Cited By KSCI : 2  (Citation Analysis)
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