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Scale Effects on the Transition of Reflected Shock Waves Read chapter Read first chapter

2018 | OriginalPaper | Chapter

Shock Reflection in Axisymmetric Internal Flows

Authors : B. Shoesmith, S. Mölder, H. Ogawa, E. Timofeev

Published in: Shock Wave Interactions

Publisher: Springer International Publishing

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Abstract

The flow downstream of an axisymmetric conical shock wave, with a downstream pointing apex, can be predicted by solving the Taylor-Maccoll equations. Previous research, however, has suggested that these theoretical flowfields are not fully realisable in practice, and that a Mach reflection forms towards the centreline of the flow. This phenomenon is investigated for the case where the freestream Mach number is 3.0 and the shock angle is 150\(^\circ \). A range of complementary prediction techniques that include the solution to the Taylor-Maccoll equations, the method of characteristics, curved shock theory and CFD, are used to gain insight into this flow. The case where a cylindrical centrebody is placed along the axis of symmetry is studied for several values of centrebody radius that are expected to produce regular reflection at the centrebody surface. An analysis of pressure gradients suggests that the flowfield downstream of the reflected shock does not contribute to the process of transition from regular to Mach reflection at these conditions.

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previous chapter On the Propagation of Planar Blast Waves Through Nonuniform Channels
next chapter On Unsteady Shock Wave Reflection from a Concave Cylindrical Surface
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Metadata
Title
Shock Reflection in Axisymmetric Internal Flows
Authors
B. Shoesmith
S. Mölder
H. Ogawa
E. Timofeev
Copyright Year
2018
Book
Shock Wave Interactions

Print ISBN: 978-3-319-73179-7

Electronic ISBN: 978-3-319-73180-3

Copyright Year: 2018

DOI
https://doi.org/10.1007/978-3-319-73180-3_27

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