Abstract:
In Rayleigh Bénard experiments, the side wall conductivity is traditionally taken into account by subtracting the empty cell heat conductivity from the measured one. We present a model showing that the correction to apply could be considerably larger. We compare to experiments and find good agreement. One of the consequences is that the Nusselt behavior for Ra < 1010 could be closer to Nu∝Ra 1/3 than currently assumed. Also, the wall effect can appear as a continuous change in the γ exponent Nu∝Ra γ.
Article PDF
Similar content being viewed by others
Avoid common mistakes on your manuscript.
Author information
Authors and Affiliations
Additional information
Received 26 April and Received in final form 1st October 2001
Rights and permissions
About this article
Cite this article
Roche, PE., Castaing, B., Chabaud, B. et al. Side wall effects in Rayleigh Bénard experiments. Eur. Phys. J. B 24, 405–408 (2001). https://doi.org/10.1007/s10051-001-8690-5
Issue Date:
DOI: https://doi.org/10.1007/s10051-001-8690-5