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Determination of the critical Rayleigh number under the conditions of turbulent free convection

E.P. Anisimova, I.V. Petrenko, A.A. Speranskaya

Moscow University Physics Bulletin 1991. 46. N 2. P. 65

  • Article
Annotation

The results of experimental determination of the critical Rayleigh number characterizing the onset of the turbulent free convection regime are presented. It is demonstrated that for the developed free convection regime, in the uppermost layer of water that is cooling from the surface, the Rayleigh number is 1105. This is consistent with the theoretical value for an interfacial layer with one boundary fixed and the other free.

Authors
E.P. Anisimova, I.V. Petrenko, A.A. Speranskaya
Department of Marine and Inland Water Physics, Faculty of Physics, Moscow State University, Leninskie Gory, Moscow, 119992, Russia
Issue 2, 1991

Moscow University Physics Bulletin

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