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Numerical Heat Transfer, Part A: Applications
An International Journal of Computation and Methodology
Volume 52, 2007 - Issue 7
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Original Articles

Numerical Simulation of Mixed Convection in a Two-Dimensional Laminar Plane Wall Jet Flow

, &
Pages 621-642 | Received 20 Jun 2006, Accepted 06 Jan 2007, Published online: 14 Sep 2007
 

Abstract

A two-dimensional, laminar, incompressible mixed convection with plane wall jet is simulated numerically using the stream function–vorticity method. The buoyancy is assisting the main flow. The flow and heat transfer study is carried out for Re = 300–600, Gr = 103–107, and Pr = 0.01–15. The streamlines, isotherm contours, similarity profiles, vorticity at the walls, and the local and average Nu values are presented and analyzed. In some cases, similarity behaviour is observed. The vorticity profile at the wall is similar to boundary-layer-type flow. However, for high Gr, the wall vorticity increases in the downstream direction. The average Nusselt number increases when Re, Gr, and Pr are increased.

Additional information

Notes on contributors

K. Kumar Raja

The present address of K. Kumar Raja is IBM EMPNO: 008793, EGL Building, Business Park, Second Floor, Block A, Bangalore, Karnataka, India.

P. Rajesh Kanna

The present address of P. Rajesh Kanna is Department of Mechanical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan.

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