scholarly journals Initial use of Nek5000/Cardinal to improve closure models in Pronghorn

2021 ◽  
Author(s):  
Victor Coppo Leite ◽  
Jun Fang ◽  
David Reger ◽  
Elia Merzari ◽  
Haomin Yuan ◽  
...  
Keyword(s):  
Closure Models

scholarly journals Reynolds stress models of convection in convective cores

2006 ◽  
Vol 2 (S239) ◽  
pp. 77-79 ◽  
Author(s):  
Ian W Roxburgh ◽  
Friedrich Kupka
Keyword(s):  
Reynolds Stress ◽  
Algebraic Closure ◽  
Spherical Geometry ◽  
Turbulent Convection ◽  
Closure Models ◽  
Non Local ◽  
Stress Models

AbstractWe investigate the properties of non-local Reynolds stress models of turbulent convection in a spherical geometry. Regularity at the centre r=0 places constraints on the behaviour of 3rd order moments. Some of the down-gradient and algebraic closure models have inconsistent behaviour at r=0. A combination of down-gradient and algebraic closures gives a consistent prescription that can be used to model convection in stellar cores.

scholarly journals Comparison of solid phase closure models in Eulerian-Eulerian simulations of a circulating fluidized bed riser

2019 ◽  
Vol 195 ◽  
pp. 39-50 ◽  
Author(s):  
Markku Nikku ◽  
Alexander Daikeler ◽  
Alexander Stroh ◽  
Kari Myöhänen
Keyword(s):  
Fluidized Bed ◽  
Circulating Fluidized Bed ◽  
Solid Phase ◽  
Closure Models

scholarly journals Comparison and validation of multi phase closure models

2008 ◽  
Vol 56 (5) ◽  
pp. 1291-1302 ◽  
Author(s):  
W. Bo ◽  
H. Jin ◽  
D. Kim ◽  
X. Liu ◽  
H. Lee ◽  
...  
Keyword(s):  
Closure Models ◽  
Multi Phase
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