Rayleigh-Benard convection: experimental study of time-dependent instabilities

1988 ◽  
Vol 6 (5) ◽  
pp. 316-322 ◽  
Author(s):  
B. Martinet ◽  
R. J. Adrian
Keyword(s):  
Experimental Study ◽  
Time Dependent ◽  
Bénard Convection ◽  
Benard Convection ◽  
Rayleigh Benard Convection ◽  
Rayleigh Benard

Turbulent Rayleigh–Bénard convection of water in cubical cavities: A numerical and experimental study

2007 ◽  
Vol 50 (15-16) ◽  
pp. 3203-3215 ◽  
Author(s):  
Leonardo Valencia ◽  
Jordi Pallares ◽  
Ildefonso Cuesta ◽  
Francesc Xavier Grau
Keyword(s):  
Experimental Study ◽  
Bénard Convection ◽  
Benard Convection ◽  
Rayleigh Benard Convection ◽  
Rayleigh Benard

Experimental study of the velocity field in Rayleigh-Bénard convection

1978 ◽  
Vol 85 (4) ◽  
pp. 641-653 ◽  
Author(s):  
M. Dubois ◽  
P. Bergé
Keyword(s):  
Experimental Study ◽  
Velocity Field ◽  
Local Velocity ◽  
Velocity Measurements ◽  
Bénard Convection ◽  
Benard Convection ◽  
Theoretical Predictions ◽  
Rayleigh Benard Convection ◽  
Rayleigh Benard ◽  
Velocity Mode

Local velocity measurements performed in a convecting layer of fluid show that the velocity field can be described by a dominant fundamental velocity mode mixed with an increasing proportion of second and third harmonics as ε, the reduced distance to the convective thresholdRc, is increased from 0 to ∼ 10. The spatial and thermal dependences of the amplitudes of these different modes are reported and compared with theoretical predictions.

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