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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41787

Title: Numerical analysis of the step jump structure of a scramjet flow by the DSMC method
Authors: Zuu-Chang Hong;Juan-Chen Huang;Shi-Min Lee;Hon-Wei Lin
Contributors: 國立臺灣海洋大學:商船學系
Keywords: DSMC method;scramjet;hypersonic flow;rarefied flow
Date: 2013-11-05
Issue Date: 2017-03-27T08:31:00Z
Publisher: Journal of the Chinese Institute of Engineers
Abstract: Computations using the direct simulation Monte Carlo method are presented for hypersonic rarefied flow over a supersonic combustion ramjet (scramjet). The primary object of this study is to examine the geometrical effects of a step jump on flow field structures. The sensitivity of internal flow properties, including shock interaction, vortex, pressure and temperature distributions to free-stream Mach number and configuration variations, such as the step height and the ratio of isolator to combustor, is analyzed. Comparisons are made between cases with various configurations, based on surface pressure and temperature. It is shown that different isolator to combustor ratios and expansion ratios cause profoundly different results. The flow structures generated in the scramjet inlet directly affect vehicles operating at high speeds and high altitudes.
Relation: 37(6) pp.815-826
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/41787
Appears in Collections:[商船學系] 期刊論文

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