Numerical study of mixed convection flows in a U-shaped channel | ASJP

Rеvuе des Energies Renouvelables
Volume 18, Numéro 4, Pages 633-641
2015-12-31

Numerical Study Of Mixed Convection Flows In A U-shaped Channel

Authors : Naoum M. . El Alami M. .

Abstract

In this work, we study numerically mixed convection flows in an open U-shaped channel. The right opening lets pass fresh air at cold temperature TC, while the walls of the channel are heated at the temperature TH > TC. Our study is based on a volume control method performed for 100 < Re < 700, Ra = 105 and Pr = 0.72. Results are presented in terms of thermal and dynamic fields, Nusselt number variation with Re, flow velocities and temperatures at the channel outlet.

Keywords

U-shaped channel, Mixed convection, Numerical study, Air-ground exchanger, Canadian well.

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