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Non-equilibrium formulation of void fraction in two-phase flows.
Number: 1911
Author(s) : GIANNETTI N., KIM M., YOSHIMURA H., SAITOH K.
Summary
A general variational formulation of the void fraction in dissipative two-phase flows is developed. In particular, the steady-state void fraction is extracted by the extremization of the entropy generation rate, based on a comprehensive non-equilibrium expression that introduces interfacial contributions due to surface tension between different phases and fluxes due to heat and mass transfer.
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Pages: 8
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Details
- Original title: Non-equilibrium formulation of void fraction in two-phase flows.
- Record ID : 30028895
- Languages: English
- Subject: Technology
- Source: 6th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants
- Publication date: 2021/09/01
- DOI: http://dx.doi.org/10.18462/iir.TPTPR.2021.1911
- Document available for consultation in the library of the IIR headquarters only.
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Indexing
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Themes:
Two-phase flow;
Thermodynamics and changes of state - Keywords: Entropy; Equilibrium; Two-phase flow; Thermodynamics
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