Dual effects of buoyancy and enstrophy transfer on scaling behavior of a shell model proposed for homogeneous turbulent convection

2017 ◽  
Vol 44 ◽  
pp. 74-88 ◽  
Author(s):  
Yu Xing ◽  
Peiqing Liu ◽  
Hao Guo
Keyword(s):  
Shell Model ◽  
Scaling Behavior ◽  
Turbulent Convection

EFFECTS OF A LARGE-SCALE MEAN FLOW IN A SHELL MODEL OF TURBULENT CONVECTION

2007 ◽  
Vol 21 (23n24) ◽  
pp. 4178-4183 ◽  
Author(s):  
EMILY S. C. CHING ◽  
H. GUO
Keyword(s):  
Shell Model ◽  
Large Scale ◽  
Temperature Fluctuations ◽  
Scaling Behavior ◽  
The Other ◽  
Turbulent Convection ◽  
Mean Flow ◽  
Mean Velocity ◽  
Other Hand ◽  
Flow Reversals

The possible effects of a large-scale mean flow, represented as a non-zero mean velocity in the shell of the largest scale, are studied using a shell model of turbulent convection. In the regime where buoyancy is dynamically important, flow reversals are not observed. On the other hand, flow reversals are found in the regime where buoyancy is not dynamically important. In both regimes, the presence of such a large-scale mean flow does not change the scaling behavior of the velocity and temperature fluctuations.

SHELL MODEL, QUARTETS AND ROTONS IN THE s-d SHELL

1971 ◽  
Vol 32 (C6) ◽  
pp. C6-33-C6-37 ◽  
Author(s):  
A. ARIMA
Keyword(s):  
Shell Model

Wall Laws for Natural Turbulent Convection

1998 ◽  
Vol 29 (4-5) ◽  
pp. 235-242
Author(s):  
B. P. Golovnya
Keyword(s):  
Turbulent Convection
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