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Two-dimensional models of magma flows in a volcanic conduit taking the magma compressibility and thermal effects into account

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Abstract

Two steady-state models of magma flow in a conduit are considered, with and without allowance for magma compressibility. As distinct from studies [{xc1}–{xc6}], in which either simplified equations were solved or unrealistic values of the parameters were used, in the present study the complete systems of equations are solved and the values of the parameters correspond to magma flow in a volcanic conduit. The secondary flows obtained in [{xc5}] for model conditions are not formed when the magma is simulated by an incompressible fluid and all the terms of the equations are taken into account. When the magma compressibility is taken into account, in the isothermal case and for constant magma viscosity the entire flow is adequately described by the one-dimensional isothermalmodel, although this approach is not formally applicable.

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Authors
  1. E. A. Vedeneeva
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Original Russian Tex © E.A. Vedeneeva, 2007, published in Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, 2007, Vol. 42, No. 4, pp. 27–38.

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Vedeneeva, E.A. Two-dimensional models of magma flows in a volcanic conduit taking the magma compressibility and thermal effects into account. Fluid Dyn 42, 528–539 (2007). https://doi.org/10.1134/S0015462807040035

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  • DOI: https://doi.org/10.1134/S0015462807040035

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