PHASE CHANGE MODEL FOR TWO-PHASE FLUID FLOW BASED ON THE VOLUME OF FLUID METHOD

2008 ◽  
Author(s):  
Bitan Shu ◽  
Frank Dammel ◽  
Peter Stephan
Keyword(s):  
Fluid Flow ◽  
Phase Change ◽  
Volume Of Fluid ◽  
Change Model ◽  
Volume Of Fluid Method ◽  
Two Phase ◽  
Phase Fluid

Numerical Simulation of Two-Phase Fluid Flow and Heat Transfer With or Without Phase Change Using a Volume-of-Fluid Model

2004 ◽  
Author(s):  
Lieke Wang ◽  
Bengt Sunde´n
Keyword(s):  
Heat Transfer ◽  
Fluid Flow ◽  
Phase Change ◽  
Fluid Model ◽  
Piecewise Linear ◽  
Volume Of Fluid ◽  
Two Phase ◽  
Flow And Heat Transfer ◽  
Vof Model ◽  
Phase Fluid

Numerical simulations of two-phase fluid flow and heat transfer with or without phase change have been carried out. The Volume-of-Fluid (VOF) model was used in the simulations, and a procedure for considering the phase change process was developed. The Piecewise Linear Interface Calculation (PLIC) method is employed for the interface reconstruction, to keep the sharp interface. The coupling between pressure and velocity is treated by the SIMPLEC algorithm. The surface tension is modeled by the Continuum Surface Force (CSF) model. An in-house code has been developed, and two examples are presented in this paper, i.e., dam-break case and a falling water droplet in a steam bath. The calculation results are compared with corresponding experimental data, and good agreement is obtained.

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