Extended self similarity of passive scalar in Rayleigh-Bénard convection flow based on wavelet transform

2002 ◽  
Vol 23 (7) ◽  
pp. 804-810
Author(s):  
Fu Qiang ◽  
Xia Ke-qing
Keyword(s):  
Wavelet Transform ◽  
Passive Scalar ◽  
Convection Flow ◽  
Self Similarity ◽  
Extended Self ◽  
Bénard Convection ◽  
Benard Convection ◽  
Rayleigh Benard Convection ◽  
Rayleigh Benard

EXTENDED SELF-SIMILARITY AND THE MOST INTENSE VELOCITY STRUCTURES IN TURBULENT RAYLEIGH–BÉNARD CONVECTION

2003 ◽  
Vol 17 (04) ◽  
pp. 131-139 ◽  
Author(s):  
EMILY S. C. CHING ◽  
T. P. CHOY ◽  
K. W. CHUI
Keyword(s):  
Turbulent Flows ◽  
Maximum Velocity ◽  
Velocity Measurements ◽  
Self Similarity ◽  
Extended Self ◽  
Velocity Difference ◽  
Bénard Convection ◽  
Benard Convection ◽  
Rayleigh Benard Convection ◽  
Rayleigh Benard

It has been conjectured13 that the extended self-similarity measured in turbulent flows is an indication of the maximum velocity difference being scale-independent and thus the most intense velocity structures being shock-like. In this paper, we present analyses of velocity measurements in turbulent Rayleigh–Bénard convection that show further support to this conjecture.

scholarly journals Thermal boundary layer near roughnesses in turbulent Rayleigh-Bénard convection: Flow structure and multistability

2014 ◽  
Vol 26 (1) ◽  
pp. 015112 ◽  
Author(s):  
J. Salort ◽  
O. Liot ◽  
E. Rusaouen ◽  
F. Seychelles ◽  
J.-C. Tisserand ◽  
...  
Keyword(s):  
Boundary Layer ◽  
Flow Structure ◽  
Thermal Boundary Layer ◽  
Convection Flow ◽  
Bénard Convection ◽  
Benard Convection ◽  
Rayleigh Benard Convection ◽  
Rayleigh Benard
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