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Application of a Two-Fluid Model to Simulate the Heating of Two-Phase Flows

Abstract : This paper is dedicated to the simulation of two-phase flows on the basis of a two-fluid model that allows to account for the disequilibrium of velocities, pressures , temperatures and chemical potentials (mass transfer). The numerical simulations are performed using a fractional step method treating separately the convective part of the model and the source terms. The scheme dealing with the convective part of the model follows a Finite Volume approach and is based on a relaxation scheme. In the sequel, a special focus is put on the discretization of the terms that rule the mass transfer. The scheme proposed is a first order implicit scheme and can be verified using an analytical solution. Eventually, a test case of the heating of a mixture of steam and water is presented, which is representative of a steam generator device.
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Jean-Marc Hérard, Olivier Hurisse, Antoine Morente, Khaled Saleh. Application of a Two-Fluid Model to Simulate the Heating of Two-Phase Flows. Finite Volumes for Complex Applications VII, Jun 2014, Berlin, Germany. pp.857-864, ⟨10.1007/978-3-319-05591-6_86⟩. ⟨hal-01580245⟩

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