期刊
SHOCK WAVES
卷 24, 期 5, 页码 537-543出版社
SPRINGER
DOI: 10.1007/s00193-014-0517-4
关键词
Hypersonic flow; Opposing jet; Blunt body
类别
This study investigates a combined technique of both an active flow control concept that uses counterflowing jets and an aerodisk spike as a new method to significantly modify external flowfields and heat reduction in a hypersonic flow around a nose cone. The coolant gas (Carbon Dioxide and Helium) is chosen to inject from the tip of the nose cone to cool the recirculation region. The gases are considered to be ideal, and the computational domain is axisymmetric. The analysis shows that the counterflowing jet has significant effects on the flowfield and reduces the heat load over the nose cone. The Helium jet is found to have a relatively more effective cooling performance.
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