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Negative Pressure Tail Of A Reflected Pressure Pulse: Comparison Of A Lattice Boltzmann Study To The Experimental Results

Author

Listed:
  • ATTILA R. IMRE

    (Materials Department, KFKI Atomic Energy Research Institute, H-1525 Budapest, POB 49, Hungary)

  • GÁBOR HÁZI

    (Simulator Development Department, KFKI Atomic Energy Research Institute, H-1525 Budapest, POB 49, Hungary)

  • ALEXEY BESOV

    (Lavrentyev Institute of Hydrodynamics, pr. Ac. Lavrentyeva 15, 630090, Novosibirsk, Russia)

Abstract

A numerical pressure wave reflection experiment in a two-dimensional liquid and its comparison with experimental results are presented. The liquid is simulated by the pseudo-potential extension of the lattice-Boltzmann method. In the simulation a pressure pulse is produced by a point source and the resulting pressure wave is reflected back by a wettable rigid wall. Negative pressure tail can be observed at the vicinity of the wall/liquid interface. The resulted shape of the positive and the negative pressure wave is compared with experimental results obtained in an electromagnetic shock-wave generator. Good agreement has been found between the experimental and simulation results.

Suggested Citation

  • Attila R. Imre & Gábor Házi & Alexey Besov, 2003. "Negative Pressure Tail Of A Reflected Pressure Pulse: Comparison Of A Lattice Boltzmann Study To The Experimental Results," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 14(10), pages 1321-1330.
    • Handle: RePEc:wsi:ijmpcx:v:14:y:2003:i:10:n:s0129183103005455
    DOI: 10.1142/S0129183103005455
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