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THMT-15. Proceedings of the Eighth International Symposium On Turbulence Heat and Mass Transfer
September, 15-18, 2015, Sarajevo, Bosnia and Herzegovina

DOI: 10.1615/ICHMT.2015.THMT-15


ISBN Print: 978-1-56700-427-4

ISBN CD: 978-1-56700-428-8

Numerical prediction of heat transfer in liquid metal applications

pages 263-266
DOI: 10.1615/ICHMT.2015.THMT-15.460
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ABSTRACT

Different two-equation turbulence models are investigated in their performance to predict heat transfer for low Prandtl number fluids in a backward-facing step geometry. A state of the art four-equation heat transfer model is compared to linear and non-linear RANS models and results of a DNS. To increase the physical basis of the linear models, one is exemplarily extended by an explicit algebraic formulation for the Reynolds stresses. The fluid considered is liquid sodium with constant fluid properties at 423K. Simulations are performed for a backward-facing step with a constant heat flux boundary condition applied at the bottom wall downstream the step.

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