Fluid Dynamics

, Volume 42, Issue 4, pp 627–636 | Cite as

Unsteady one-dimensional water and steam flows through a porous medium with allowance for phase transitions

  • A. A. Afanas'ev
  • A. A. Barmin
Article

Abstract

Fluid flow through a porous medium is considered with allowance for heat conduction and phase transition processes. The one-dimensional problem of the breakdown of an arbitrary discontinuity is solved with reference to the processes of combined nonisothermal water and steam flow through the porous medium. It is assumed that there are two-phase zones of water and steam flow through the porous medium to the left and right of the initial discontinuity. Six qualitatively different discontinuous solutions with internal single-phase water or steam zones are constructed and domains corresponding to each of the solutions are found in the determining parameter space. For the parameters considered a solution of the breakdown problem exists and is unique when the requirements for the existence of a discontinuity structure are satisfied [{xc1}].

Keywords

flow through a porous medium phase transitions discontinuities self-similar solutions problem of breakdown of an arbitrary discontinuity 

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Copyright information

© Pleiades Publishing, Ltd. 2007

Authors and Affiliations

  • A. A. Afanas'ev
  • A. A. Barmin

There are no affiliations available

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