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Experimental and numerical investigation of the shock-induced fluidization of a particles bed

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Abstract.

An experimental study on unsteady two phase flow is conducted in a vertical shock tube. Shock Mach numbers range from 1.3 to 1.5 in 1 bar. The particles are initially positioned in horizontal beds of various thicknesses. Our research covers a large domain of void fraction from 1 (single particles) to 0.35 (compact beds). The experiments provide shadowgraph images for the recording of particle trajectories (effect of the gas on the particles) and side-wall pressures (action of the particles on the gas). A dense two phase flow model has been elaborated and numerically solved using a finite difference scheme with pseudoviscosity. The simulated shock-induced fluidization of a 2 cm thick bed of 1.5 mm diameter glass particles is compared to the experiment.

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Authors and Affiliations

  1. Commissariat à l'Energie Atomique, Centre d'études de Vaujours-Moronvilliers, BP 7, F 77181, France , , , , , , FR

    X. Rogue, G. Rodriguez & J.F. Haas

  2. IUSTI/SETT, Equipe Ecoulements Diphasiques et Réactifs, URA CNRS 1168, Université de Provence, Technopôle de Château Gombert, 13453 Marseille Cedex 13, France , , , , , , FR

    R. Saurel

Authors
  1. X. Rogue
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  2. G. Rodriguez
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  3. J.F. Haas
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  4. R. Saurel
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Received 10 September 1996 / Accepted 4 January 1997

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Rogue, X., Rodriguez, G., Haas, J. et al. Experimental and numerical investigation of the shock-induced fluidization of a particles bed. Shock Waves 8, 29–45 (1998). https://doi.org/10.1007/s001930050096

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  • DOI: https://doi.org/10.1007/s001930050096