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In this paper three-dimensional turbulent natural convection heat transfer in a simplified solar receiver open cavity is studied. Smagorinsky-LES (Large Eddy Simulation) model is chosen for turbulence flow computation. The validity of the Boussinesq approximation for this problem is discused due to large difference of temperatures between the air and the receiver. Rayleigh numbers up to 10^13 are considered in this work.
CitationChiva, J. [et al.]. Turbulent natural convection in an open cavity: a numerical study. A: International Symposium on Turbulence, Heat and Mass Transfer. "VI International Symposium on Turbulence, Heat and Mass Transfer". Roma: 2009, p. 567-570.
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