The Second Gradient Method for the Direct Numerical Simulation of Liquid–Vapor Flows with Phase Change

2001 ◽  
Vol 169 (2) ◽  
pp. 624-651 ◽  
Author(s):  
D. Jamet ◽  
O. Lebaigue ◽  
N. Coutris ◽  
J.M. Delhaye
Keyword(s):  
Numerical Simulation ◽  
Direct Numerical Simulation ◽  
Phase Change ◽  
Gradient Method ◽  
Second Gradient ◽  
Liquid Vapor

A Continuous Interface Model for the Direct Numerical Simulation of Phase-Change in Two-Component Liquid-Vapor Flows

2002 ◽  
Author(s):  
Ce´lia Fouillet ◽  
Didier Jamet ◽  
Daniel Lhuillier
Keyword(s):  
Numerical Simulation ◽  
Phase Change ◽  
Diffuse Interface ◽  
Governing Equations ◽  
Closure Relation ◽  
Second Gradient ◽  
Two Component ◽  
Change Problem ◽  
Good Agreement ◽  
Liquid Vapor

This paper presents a model dedicated to the numerical simulation of two-component liquid-vapor flows with phase-change. This model is an extension to binary mixtures of the second gradient method, initially dedicated to pure fluids. It is a diffuse interface method: by assuming that the free energy of the mixture depends on its density gradient, liquid-vapor interfaces are described as volumetric transition regions across which physical properties vary continuously. The corresponding governing equations of the mixture are derived and the thermodynamic closure relation is established in order to recover the equilibrium properties of a mixture. As a first validation of this model, it is applied to study a one-dimensional isothermal phase-change problem. When the system reaches a stationary state, an asymptotic analysis shows that this model is in good agreement with sharp interface models, as well as numerical calculations.

scholarly journals Direct Numerical Simulation on Melting Phase Change Behavior in Open-cell Metal Foam

2017 ◽  
Vol 105 ◽  
pp. 4254-4259 ◽  
Author(s):  
Xiaohu Yang ◽  
Xiangzhao Meng ◽  
Zhenni Wang ◽  
Liwen Jin ◽  
Qunli Zhang ◽  
...  
Keyword(s):  
Numerical Simulation ◽  
Direct Numerical Simulation ◽  
Phase Change ◽  
Metal Foam ◽  
Open Cell ◽  
Change Behavior

scholarly journals On the Liquid-Vapor Phase-Change Interface Conditions for Numerical Simulation of Violent Separated Flows

2020 ◽  
Vol 16 (2) ◽  
pp. 359-381
Author(s):  
Matthieu Ancellin ◽  
Laurent Brosset ◽  
Jean-Michel Ghidaglia
Keyword(s):  
Numerical Simulation ◽  
Phase Change ◽  
Vapor Phase ◽  
Separated Flows ◽  
Interface Conditions ◽  
Liquid Vapor
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