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Initial Stage of Modeling of the Magma State in a Slot Volcano with a Finite Velocity of Diaphragm Opening

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Journal of Applied Mechanics and Technical Physics Aims and scope

Abstract

Results of a numerical analysis of the dynamic behavior of a compressed magma melt in a slot channel with gradual opening of the diaphragm and results of simulations of its time evolution are reported. The Iordanskii–Kogarko–van Vijngaarden mathematical model of a twophase medium and a model that describes phase changes in the gas-saturated plasma behind the front of the decompression wave being formed are used. Results of numerical simulations of the flow with allowance for specific features of the pressure dynamics in the decompression wave, mass velocity components, volume fraction of the gas phase, and its viscosity are presented.

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Authors and Affiliations

  1. Lavrent’ev Institute of Hydrodynamics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia

    M. N. Davydov & V. K. Kedrinskii

Authors
  1. M. N. Davydov
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  2. V. K. Kedrinskii
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Correspondence to M. N. Davydov.

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Original Russian Text © M.N. Davydov, V.K. Kedrinskii.

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Davydov, M.N., Kedrinskii, V.K. Initial Stage of Modeling of the Magma State in a Slot Volcano with a Finite Velocity of Diaphragm Opening. J Appl Mech Tech Phy 58, 1063–1068 (2017). https://doi.org/10.1134/S0021894417060128

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  • DOI: https://doi.org/10.1134/S0021894417060128

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