Similarity laws of re-entry aerodynamics - analysis of reverse flow shock and wake flow thermal inversion phenomena

被引：0
|
作者：
Balage, S. [1 ]
Boyce, R. [1 ]
Mudford, N. [1 ]
Ranadive, H. [1 ]
Gai, S. [1 ]
机构：
[1] Univ New S Wales, Australian Def Force Acad, Canberra, ACT 2600, Australia
来源：
SHOCK WAVES, VOL 1, PROCEEDINGS | 2009年
关键词：
D O I：
10.1007/978-3-540-85168-4_111
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A computational fluid dynamics (CFD) based dimensional analysis of the flow in the base region of a planetary re-entry configuration is presented. Reynolds number and free stream Mach number are found to have the dominant influence on the Mach number of the trapped recirculating flow in the wake. Prandtl number is found have the strongest influence on the temperature of the wake recirculating flow. Two associated flow phenomena, wake reverse flow shock (WRFS) and wake flow thermal inversion (WFTI) are introduced. The governing role of the Prandtl number on the wake flow energy budget and thus the base region heating is discussed.
引用
收藏
页码：689 / 694
页数：6
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