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Heat Transport in Horizontal and Inclined Convection

  • Olga ShishkinaEmail author
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 196)

Abstract

We discuss three classical paradigmatic systems of thermally driven flows: Rayleigh–Bénard convection, where a fluid is confined between a heated bottom plate and a cooled top plate, horizontal convection, where the fluid is heated at one part of the bottom and cooled at some other part, and vertical convection, where the fluid is confined between two differently heated isothermal vertical plates. Rayleigh–Bénard and vertical convection can be also considered as limiting cases of so-called inclined convection. For these systems we study how the heat and momentum transport, which is represented by the Nusselt number and Reynolds number, scales with the main governing parameters of the system, which are the Rayleigh number and Prandtl number. We show that different boundary conditions generally lead to different scaling diagrams in the Prandtl–Rayleigh plane. For laminar vertical convection the scalings can be derived from the boundary layer equations, see Shishkina (Phys Rev E 93:051102, 2016, [8]). In the case of horizontal convection, the scalings can be derived from the analysis of the boundary-layer and bulk contributions of the kinetic and thermal dissipation rates, see Shishkina et al. (Geophys Res Lett 43:1219–1225, 2016, [5]). Here we summarize some previous results and discuss the applicability of the developed theory to global ocean circulation.

Notes

Acknowledgements

OS is grateful to G. Ahlers, E. Bodenschatz, E. Ching, S. Grossmann, X. He, S. Horn, D. Lohse and S. Weiss for useful discussions and acknowledges the financial support of the Deutsche Forschungsgemeinschaft (DFG) under Grant Sh405/4 – Heisenberg fellowship.

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.Max Planck Institute for Dynamics and Self-OrganizationGöttingenGermany

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