| Issue |
ESAIM: ProcS
Volume 72, 2023
Fourth Workshop on Compressible Multiphase Flows: Derivation, closure laws, thermodynamics
|
|
|---|---|---|
| Page(s) | 19 - 40 | |
| DOI | https://doi.org/10.1051/proc/202372019 | |
| Published online | 09 August 2023 | |
Pressure relaxation in some multiphase flow models
EDF R&D, 6 Quai Watier, 78400 Chatou, France
Laboratoire I2M, 39 rue Frédéric Joliot-Curie, 13453 Marseille Cedex 13, France
We consider in this paper multiphase flow models involving two, three or four fields, in total mechanical and thermodynamical disequilibrium. Thus several pressure fields arise, and we precisely focus here on the pressure relaxation process, while restricting to four distinct multiphase flow models. The first two models only involve immiscible compressible components, while the last two hybrid models involve both miscible and immiscible components. It is shown that some -weak- restrictions may occur on pressure gaps, which are unlikely to appear in practice. Evenmore, three-phase flow models may involve a non-monotone behaviour in the return to pressure equilibrium.
© EDP Sciences, SMAI 2023
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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