期刊
JOURNAL OF FLUID MECHANICS
卷 714, 期 -, 页码 152-189出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/jfm.2012.464
关键词
compressible boundary layers; compressible flows; shock waves
资金
- EPSRC/MOD
- DSTL
- Engineering and Physical Sciences Research Council [GR/S14351/01] Funding Source: researchfish
This paper presents time-averaged data for high-Reynolds-number hypersonic shock-wave/boundary-layer interactions, using a body of revolution to achieve high standards of two-dimensionality. The data are collected at nominal Mach 8.9, but a calibration is included that permits weak flow gradients in the test section to be incorporated as part of the data interpretation or flow modelling. The axisymmetric turbulent test boundary layer is developed on a hollow cylinder, aligned axially with the flow. The shock-wave interaction with this boundary layer is then generated by two separate configurations. Firstly, an impinging shock-wave case, that uses a concentric cowl to radiate an axisymmetric shock system onto the test boundary layer: for this case both an attached flow and a separated flow interaction are formed. Secondly, use of a conical-flare afterbody to produce a separated flow interaction. Quantitative data are presented for surface pressures and heat transfer, supported by some schlieren visualization and surface oil flows. A restricted CFD programme is included to assist the interpretation of the experiments.
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