Prediction of transpiration effects on heat and mass transfer by different turbulence models

2008 ◽  
Vol 238 (4) ◽  
pp. 958-974 ◽  
Author(s):  
M. Bucci ◽  
M. Sharabi ◽  
W. Ambrosini ◽  
N. Forgione ◽  
F. Oriolo ◽  
...  
Keyword(s):  
Mass Transfer ◽  
Heat And Mass Transfer ◽  
Turbulence Models

Numerical Simulation of Boiling Flow in LNG Releasing Underwater Process

2013 ◽  
Vol 423-426 ◽  
pp. 1711-1715
Author(s):  
Bin Zhang ◽  
Jian Wei Zhang ◽  
Wan Qing Wu ◽  
Gui Feng Yu
Keyword(s):  
Mass Transfer ◽  
Heat And Mass Transfer ◽  
Fluid Model ◽  
Bubble Diameter ◽  
Mass Transfer Rate ◽  
Turbulence Models ◽  
Flow Process ◽  
Mass Transfer Processes ◽  
Surface Quenching ◽  
Boiling Flow

The boiling flow of LNG releasing underwater was numerically simulated by establishing liquid-liquid boiling flow transfer models and using multi-fluid model in FLUENT. The effects of quenching, average bubble diameter and turbulencemodel on the characteristics of hydrodynamic, heat and mass transfer processes were demonstrated. The results showed that in the progress of heat transfer between LNG and water, surface quenching makes an important role. The heat and mass transfer rate was influenced by valuing average bubblesdiameter. Because of per-phase turbulent flow making an equilibration important role in boiling flow process, turbulence models must be simulated respectively.

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