Study of the aerodynamic characteristics of cone-sphere models in a hypersonic flow

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作者：
N. N. Pilyugin
V. S. Khlebnikov
机构：
来源：
Fluid Dynamics | 2006年 / 41卷
关键词：
hypersonic flow; load-braking device; Mach and Reynolds numbers; aerodynamic characteristics; flow restructuring; angle of attack;
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摘要：
The aerodynamic characteristics of cone-sphere models are studied at Mach numbers M = 6, 8.4, and 12 to 13 over a wide Reynolds number range. Models of a braking device (sphere) were connected with a load (frustum of a cone) by means of shrouds. The dependences of the aerodynamic coefficients Cx and Cy on the angle of attack α were obtained for different relative dimensions of the load and the braking device, shroud lengths, and Mach and Reynolds numbers. The effect of the above-mentioned parameters on the aerodynamic characteristics of the models is analyzed. The Cx(ReD) dependences of load-parachutemodels in a symmetric flow are determined over the wide Mach and Reynolds number ranges 6 ≤ M ≤ 13 and 3 · 103 ≤ ReD ≤ 3 · 106.
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页码：483 / 488
页数：5
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