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http://dx.doi.org/10.5139/JKSAS.2002.30.8.001

Numerical Study of Separated Nozzle Flows for Various Pressure Ratios  

Kim, Hui-Kyung (한국항공우주연구원)
Park, Seung-O (한국과학기술원 기계공학과 항공우주)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.30, no.8, 2002 , pp. 1-9 More about this Journal
Abstract
Axisymmetric separated flows in a converging-diverging conical nozzle are investigated through numerical simulations for various pressure ratios. We employ AUSM scheme for spatial derivatives and Pulliam's 2nd order subiteration time stepping scheme for implicit time integration. Numerical results indicate that the separated flow structures are very complex when compared to the simple quasi-one dimensional flow. Depending on the pressure ratio, the flow within the nozzle is either separated or non-separated. Various separated flow patterns with distinctive features are illustrated and discussed in detail.
Keywords
axisymmtertic flow; nozzle flow; separated nozzle flow; nozzle pressure ratio;
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