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Shock Theory of a Bubbly Liquid in a Deformable Tube

Ando, K. and Sanada, T. and Inaba, K. and Shepherd, J. E. and Colonius, T. and Brennen, C. E. (2010) Shock Theory of a Bubbly Liquid in a Deformable Tube. In: 7th International Conference on Multiphase Flow, May 30-June 4, 2010, Tampa, FL. (Unpublished)

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Shock propagation through a bubbly liquid filled in a deformable cylindrical tube is considered. Quasi-one-dimensional bubbly flow equations that include fluid-structure interaction are formulated, and the steady shock relations are derived. Experiments are conducted in which a free-falling steel projectile impacts the top of an air/water mixture in a polycarbonate tube, and stress waves in the tube material are measured. The experimental data indicate that the linear theory cannot properly predict the propagation speeds of shock waves in mixture-filled tubes; the shock theory is found to more accurately estimate the measured wave speeds.

Item Type:Conference or Workshop Item (Paper)
Shepherd, J. E.0000-0003-3181-9310
Colonius, T.0000-0003-0326-3909
Additional Information:The authors would like to express their thanks to T. Nishiyama for his help with the experimentation, J. S. Damazo and R. Porowski for the bubble images, and S. Hori for his observations about the experimental data. This work was supported by ONR Grant No. N00014-06-1-0730.
Funding AgencyGrant Number
Office of Naval Research (ONR)N00014-06-1-0730
Subject Keywords:Fluid-structure interaction, bubbly water hammer
Record Number:CaltechAUTHORS:20111221-123516479
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:28549
Deposited By: George Porter
Deposited On:21 Dec 2011 21:06
Last Modified:03 Oct 2019 03:33

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