Abstract
The three-dimensional Rayleigh-Benard convection is simulated numerically using the lattice Boltzmann method. Parallel calculations are performed on a distributed shared-memory system. Flow patterns are observed in a rectangular box with an aspect ratio ranging from 2:2:1 to 6:6:1, and the heat transfer rate is estimated in terms of the Nusselt number. The dependency of the Nusselt number on the Rayleigh number is shown to agree well with that obtained by the two-dimensional calculations of the Navier-Stokes equations. It is found that several roll patterns are possible under the same condition and the heat transfer rate changes according to the flow pattern.
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Watanabe, T. (2003). Flow Pattern and Heat Transfer Rate in Three-Dimensional Rayleigh-Benard Convection. In: Dongarra, J., Laforenza, D., Orlando, S. (eds) Recent Advances in Parallel Virtual Machine and Message Passing Interface. EuroPVM/MPI 2003. Lecture Notes in Computer Science, vol 2840. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-39924-7_66
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DOI: https://doi.org/10.1007/978-3-540-39924-7_66
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