Abstract
It is well known that the pressure jump across a given shock wave increases when it propagates in a conduit whose cross-section is continually reduced [1], or in a case of spherically imploding shock wave [2]. In both cases the flow cross-section is reduced toward zero. A question arises whether or not this is a necessary condition for pressure amplification. The present paper demonstrates that pressure amplification is possible, for a planar shock in a one-dimensional unsteady flow, when the pre-shocked gas has either of the following characters:
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References
G. B. Whitham: Linear and Nonlinear Waves. (John Wiley and Sons, New York 1974)
F. Higashino: ‘Shock Wave Focusing’. In: Handbook of Shock Waves, eds. Ben-Dor G, Igra O and Elperin T. (Academic Press, New York 2001)
K. Shyue: J. of Comp. Phys. 142, 208 (1998)
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© 2005 Tsinghua University Press and Springer-Verlag Berlin Heidelberg
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Igra, D., Igra, O. (2005). Enhancement of shock waves. In: Jiang, Z. (eds) Shock Waves. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-27009-6_83
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DOI: https://doi.org/10.1007/978-3-540-27009-6_83
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Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-22497-6
Online ISBN: 978-3-540-27009-6
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