Abstract
Transient shock wave phenomena in a liquid containing noncondensable gas bubbles are investigated experimentally and numerically. In the experiment, time evolution of the shock wave is measured using two vertical glass shock tubes with different diameters, 18 mm and 52 mm. In the numerical simulation, thermal processes inside each bubble are directly calculated by using full equations for mass, momentum and energy conservation, and the results are combined with the averaged conservation equations of the bubbly mixture to simulate the propagation of the shock wave. Initial spatial distribution of the bubbles is also taken into account. The numerical results reveal that the spatial distribution greatly affects the structure of the shock wave, such as the pressure peak of the shock front and the period of the relaxation oscillation. The present numerical results agree very well with the experimental results, in which the bubbles do not distribute uniformly and are relatively concentrated on the axis of the shock tube. However, the experimental data is much different from the numerical results with uniform spatial distribution of the bubbles.
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© 1995 Springer Science+Business Media Dordrecht
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Kameda, M., Matsumoto, Y. (1995). Structure of Shock Waves in a Liquid Containing Gas Bubbles. In: Morioka, S., Van Wijngaarden, L. (eds) IUTAM Symposium on Waves in Liquid/Gas and Liquid/Vapour Two-Phase Systems. Fluid Mechanics and its Applications, vol 31. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0057-1_9
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DOI: https://doi.org/10.1007/978-94-011-0057-1_9
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