A modified buoyancy effect correction method on turbulent convection heat transfer of supercritical pressure fluid based on RANS model

•A modified two-equation turbulent model with buoyancy effect correction was proposed.•Production of turbulent kinetic energy and turbulent thermal diffusion were accounted.•The modified model showed good prediction in heat transfer deterioration cases.•The value of Prt in the buffer layer is essent...

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Veröffentlicht in:International journal of heat and mass transfer 2018-12, Vol.127, p.257-267
Hauptverfasser: Jiang, Pei-Xue, Wang, Zhen-Chuan, Xu, Rui-Na
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Sprache:eng
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