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Author(s): P. L. Viollet
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Abstract: In a U-shaped pipe, are studied the density effects following a change in the inlet temperature. When the flow rate is small and the temperature difference high, thermal stratifications appear. The two-dimensional numerical modelling uses finite difference methods with a curvilinear grid, and k-∊a models for turbulence. The computation allows to predict with good accuracy the phenomena which are observed from experiment.
DOI: https://doi.org/10.1080/00221688709499301
Year: 1987