Thermal boundary layer in turbulent thermal convection

Year: 1993

Authors: Chilla F., Ciliberto S., Innocenti C.

Autors Affiliation: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy;
Ecole Normale Superieure de Lyon France

Abstract: We report experimental evidence that the Shraiman and Siggia conjecture (Phys. Rev, A, 42 (1990) 3650) on temperature boundary layer shape, in turbulent thermal convection, is correct. Besides, we also show that the spatial distributions of temperature fluctuations present exponential tails, which is compatible with a logarithmic dependence on z of the temperature fluctuation amplitudes.

Journal/Review: EPL

Volume: 22 (9)      Pages from: 681  to: 687

KeyWords: turbulent thermal convection
DOI: 10.1209/0295-5075/22/9/008

Citations: 16
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