Heat convection in a vertical channel: Plumes versus turbulent diffusion

Physics of Fluids

Volumn 21, Issue 3, 2009, Pages

  Gibert, M ^a,b   Pabiou, H ^a,c   Tisserand, J C ^a   Gertjerenken, B ^a,d   Castaing, B ^a   Chillà, Francesca ^a  

^a UNIVERSITÉ DE LYON   (France)

^b MPI DS (LFPN)   (Germany)

^c UNIVERSITÉ DE LYON   (France)

^d UNIVERSITY OF OLDENBURG   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

MOMENTUM; REYNOLDS NUMBER;

CONVECTIVE HEAT TRANSFER; MIXING LENGTH THEORIES; PARTICLE IMAGING VELOCIMETRY; REYNOLDS STRESS TENSORS; THERMAL CORRELATIONS; TURBULENT DIFFUSION; TURBULENT STRESS; VERTICAL CHANNELS;

HEAT CONVECTION;

EID: 64249106354     PISSN: 10706631     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.3085812     Document Type: Article

References (23)

1. E. Siggia, "High Rayleigh number convection," Annu. Rev. Fluid Mech. 26, 137 (1994).
2. X. Chavanne, F. Chillà, B. Chabaud, B. Castaing, and B. Hébral, "Turbulent Rayleigh-Bénard convection in gaseous and liquid He," Phys. Fluids 13, 1300 (2001).
3. S. Grossmann and D. Lohse, "Scaling in thermal convection: A unifying view," J. Fluid Mech. 407, 27 (2000)
4. S. Grossmann and D. Lohse, "Fluctuations in Rayleigh-Bénard convection: The role of plumes," Phys. Fluids 16, 4462 (2004).
5. X. Chavanne, F. Chillà, B. Castaing, B. Hébral, B. Chabaud, and J. Chaussy, "Observation of the Ultimate Regime in Rayleigh-Bénard Convection," Phys. Rev. Lett. 79, 3648 (1997).
6. J. J. Niemela, L. Skrbek, K. R. Sreenivasan, and R. J. Donnelly, "Turbulent convection at very high Rayleigh numbers," Nature (London) 404, 837 (2000).
7. J. J. Niemela and K. R. Sreenivasan, "Confined turbulent convection," J. Fluid Mech. 481, 355 (2003).
8. R. H. Kraichnan, "Turbulent thermal convection at arbitrary Prandtl number," Phys. Fluids 5, 1374 (1962).
9. X. D. Shang, X. L. Qiu, P. Tong, and K. Q. Xia, "Measured local heat transport in turbulent Rayleigh-Bénard convection," Phys. Rev. Lett. 90, 074501 (2003).
10. Y. Gasteuil, W. Shew, M. Gibert, F. Chillà, B. Castaing, and J. F. Pinton, "Lagrangian temperature, velocity and local heat flux measurements in Rayleigh Bénard convection," Phys. Rev. Lett. 99, 234302 (2007).
11. D. Lohse and F. Toschi, "Ultimate state of thermal convection," Phys. Rev. Lett. 90, 034502 (2003)
12. E. Calzavarini, D. Lohse, F. Toschi, and R. Tripiccione, "Rayleigh and Prandtl number scaling in the bulk of Rayleigh-Bénard turbulence," Phys. Fluids 17, 055107 (2005).
13. M. R. Cholemari and J. H. Arakeri, "Experiments and a model of turbulent exchange flow in a vertical pipe," Int. J. Heat Mass Transfer 48, 4467 (2005).
14. M. Gibert, H. Pabiou, F. Chillà, and B. Castaing, "High Rayleigh number convection in a vertical channel," Phys. Rev. Lett. 96, 084501 (2006).
15. F. Perrier, P. Morat, and J. L. Le Mouel, "Dynamics of air avalanches in the access pit of an underground quarry," Phys. Rev. Lett. 89, 134501 (2002).
16. PMMA: PolyMethylMethAcrylate.
17. S. Ciliberto, S. Cioni, and C. Laroche, "Large-scale flow properties of turbulent thermal convection," Phys. Rev. E 54, R5901 (1996).
18. Typical values are 2 kΩ at 20 °C, and 1 kΩ at 40 °C.
19. Typical values are 30 Ω at 20 °C, with 0.5 Ω/K sensitivity, 0.4 mm in size.
20. Davis-7, LaVision, GmbH.
21. Sphericel 110P8, LaVision, GmbH.
22. DPSS-Laser System, 532 nm, Melles Griot.
23. Imager Pro, LaVision, GmbH.