Rarefied Hypersonic Flow over Slender Cavities

Systematically reveals the effects of cavity depth-to-width ratio, inclination, altitude, and Mach number on internal flow and aerothermal characteristics, providing a theoretical explanation for density variations.

Guo, Guangming · Luo, Qin · Wu, Jinwu

Aerospace Science and Technology 2024

Specifications

Upstream-inclined cavity

{'zh': '约53', 'en': '-45'} °

Downstream-inclined cavity

{'zh': '约114', 'en': '45'} °

腔内最大密度增加

{'zh': '约5.5', 'en': ''} 倍

Advantages

Dimensionless temperature contours inside the cavity appear unchanged for H=50, 60, and 70 km