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Shock wave absorption in liquid foams

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If you have a question about this talk, please contact Mustapha Amrani.

Foams and Minimal Surfaces

Liquid foams are, amongst other usage, used to mitigate shock waves during mine-cleaning operations due to their excellent ability to absorb energy. However, the origins of this important property are still not well understood. We use a shock tube to send a shock wave on a foam sample with controlled liquid fraction and bubble size. We record images with a high speed camera and pressure signals through the sample, giving information about the wave propagation and attenuation, the foam displacement and the destroyed area.

This talk is part of the Isaac Newton Institute Seminar Series series.

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