Controlling bulk Reynolds number and bulk temperature in channel flow simulations

Abstract : Bulk Reynolds number and bulk temperature are key quantities when reporting results in channel flow simulations. There are situations are when one wishes to accurately control these parameters while changing some numerical or physical conditions. A method to control the bulk Reynolds number and the bulk temperature in channel flow simulations is detailed. An ordinary differential equation is prescribed for the additional source term in the momentum balance equation so that the transient regime of the simulation is thoroughly tuned in order to efficiently and accurately reach the target Reynolds number value. A similar treatment is applied for the additional volume heat source term in the energy balance equation. The proposed method is specifically interesting when studying complex multi-physics in channel flow configurations when non-dimensionalization of the equations is no longer practical.
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Journal of Computational Physics, Elsevier, 2016, 〈10.1016/j.jcp.2015.10.051〉
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Yufang Zhang, Ronan Vicquelin. Controlling bulk Reynolds number and bulk temperature in channel flow simulations. Journal of Computational Physics, Elsevier, 2016, 〈10.1016/j.jcp.2015.10.051〉. 〈hal-01344931〉

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