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俄罗斯空气动力研究所中心学报

ISSN 打印: 1948-2590
ISSN 在线: 1948-2604

俄罗斯空气动力研究所中心学报

DOI: 10.1615/TsAGISciJ.v42.i1.30
pages 37-46

DRAG OF CONE NOSES IN A SUPERSONIC FLOW

V. V. Kovalenko
Central Aerohydrodynamic Institute, 1, Zhukvsky Str., Zhukovsky, 140180, Moscow Region, Russia
Alexander N. Kravtsov
Central Aerohydrodynamic Institute named after Prof. N.Ye. Zhukovsky (TsAGI)
Tatiana Yurievna Melnichuk
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky Str. 1, Zhukovsky, 140180, Russia

ABSTRACT

Results of numerical investigation of a supersonic flow around sharp circular cones at zero angle of attack are presented. An analysis of total drag constituents of a cone, namely, a wave drag and friction drag depending on the cone semiapex angle is carried out. This analysis proves the presence of the minimum of total drag. Dependences of the cone semiapex angle with minimum drag on the Reynolds number Re are obtained within the range of the Mach numbers of the incident flow M = 3−8.


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