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Proceedings Paper

Visualization Of Shock Waves In Layered Media
Author(s): H. Reichenbach
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Paper Abstract

The airblast precursor is a shock refraction effect formed by the interaction of a shock wave with a high-sound-speed layer. Helium was injected through a porous ceramic plate to create such a layer near the wall of a small shock tube. The flow was made visible by shadow, schlieren and interferometer photography. Incident shock Mach numbers of M = 1.7 were used. A prominent feature of the flow is an unstable supersonic wall jet that develops large-scale, turbulent structures.

Paper Details

Date Published: 7 June 1989
PDF: 8 pages
Proc. SPIE 1032, 18th Intl Congress on High Speed Photography and Photonics, (7 June 1989); doi: 10.1117/12.969216
Show Author Affiliations
H. Reichenbach, Fraunhofer-Institut fur Kurzzeitdynamik (FRG)

Published in SPIE Proceedings Vol. 1032:
18th Intl Congress on High Speed Photography and Photonics
DaHeng Wang, Editor(s)

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