QUASICONICAL FREE INTERACTION BETWEEN A SWEPT SHOCK AND A TURBULENT BOUNDARY-LAYER

被引：24
|
作者：
LU, FK
机构：
[1] Aerodynamics Research Center, Mechanical and Aerospace Engineering Department, University of Texas at Arlington, Arlington, TX
来源：
AIAA JOURNAL | 1993年 / 31卷 / 04期
基金：
美国国家航空航天局;
关键词：
D O I：
10.2514/3.11604
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Previous observations that fin-generated interactions are quasiconical in nature were further confirmed by surface pressure measurements spanning Mach 2.5-3.5, which encompassed unseparated through strongly separated interactions. For strongly separated interactions in which the shock wave is bifurcated into a lambda-foot structure, the conical free interaction hypothesis was validated through an appropriate scaling of the far-field surface pressure distribution. The behavior of the lambda-foot structure, such as the decrease of the slope of the separation shock with interaction strength, was explained by invoking the conical free interaction hypothesis. Through the conical free interaction hypothesis, it was further shown that the triple-shock intersection behaves in a complicated manner with changes in interaction strength.
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页码：686 / 692
页数：7
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