PMID: 11308901Apr 20, 2001Paper

Observation of the 1/2 power law in Rayleigh-Bénard convection

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
P E RocheB Hébral

Abstract

The 1/2 power law is reported in a Rayleigh-Bénard experiment: Nu approximately Ra(1/2), where Ra and Nu are the Rayleigh and Nusselt numbers. This observation is coherent with the predictions of the ultimate convection regime, characterized by fully turbulent heat transfers. Ordered rough boundaries are used to cancel the correction due to the thickness variation of the viscous sublayer, and the observation of the asymptotic regime is therefore possible. This result supports the interpretation of a laminar-turbulent boundary-layer transition to account for the observation of Chavanne et al. of a new regime [X. Chavanne et al., Phys. Rev. Lett. 79, 3648 (1997)].

References

Apr 30, 1990·Physical Review Letters·X Z WuM Sano
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Apr 29, 2000·Nature·J J NiemelaR J Donnelly
Sep 16, 2000·Physical Review Letters·X XuG Ahlers

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Citations

Jul 14, 2012·The European Physical Journal. E, Soft Matter·F Chillà, J Schumacher
Jul 24, 2014·The European Physical Journal. E, Soft Matter·Wei Qiang, Hui Cao
Oct 9, 2002·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·S Kenjeres, K Hanjalić
Oct 13, 2007·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Huidan YuRobert E Ecke
Feb 7, 2003·Physical Review Letters·Detlef Lohse, Federico Toschi
Oct 10, 2006·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·S N Bhattacharyya
Mar 4, 2017·Physical Review Letters·Srikanth ToppaladoddiJohn S Wettlaufer
Apr 20, 2019·Physical Review. E·N ForoozaniK R Sreenivasan
Dec 15, 2015·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Saša Kenjereš
Mar 5, 2009·Physical Review Letters·Hans Johnston, Charles R Doering
Apr 12, 2006·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·E CalzavariniF Toschi
Feb 14, 2012·Physical Review Letters·Xiaozhou HeGuenter Ahlers
Oct 30, 2014·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Ambrish PandeyPankaj K Mishra
Mar 10, 2012·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Mahendra K VermaSupriyo Paul
Oct 4, 2003·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Thomas H van den BergDaniel P Lathrop

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