Forced convective heat transfer of Carreau fluids in crossflows over multiple cylinders in tandem and staggered arrangem

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(2020) 42:285

TECHNICAL PAPER

Forced convective heat transfer of Carreau fluids in crossflows over multiple cylinders in tandem and staggered arrangements A. Ahmadpour1   · S. P. Mousavi1 Received: 2 September 2019 / Accepted: 29 April 2020 © The Brazilian Society of Mechanical Sciences and Engineering 2020

Abstract The forced convective heat transfer from multiple isothermal cylinders in tandem and staggered arrangements to the surrounding non-Newtonian Carreau fluid was studied. The study has been motivated by this fact that the Carreau viscosity function is one of the most accurate rheological models for the prediction of non-Newtonian inelastic behavior. A pressure correction flow solver was used, and it was validated against previous numerical and experimental data. It was shown the pertinent nondimensional numbers for the problem were the Reynolds number Re, the Carreau number Cu, and the power-law exponent n. The flow and temperature fields were obtained for Re

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