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International Heat Transfer Conference 12

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

Laminar forced convection in two-dimensional impacting tee junctions

A. M. F. El-Shaboury
Department of Mechanical and Industrial Engineering, University of Manitoba, Winnipeg, Manitoba, Canada

Hassan M. Soliman
Department of Mechanical and Industrial Engineering, University of Manitoba, Winnipeg, Manitoba, Canada

Scott J. Ormiston
University of Manitoba, Deptartment of Mechanical Engineering, 75A Chancellors Circle, Winnipeg, Manitoba, Canada

DOI: 10.1615/IHTC12.2090
6 pages

Abstrakt

Numerical predictions of the laminar fluid-flow and heat-transfer characteristics in planar impacting tee junctions are presented. The applicable Navier-Stokes equations and the energy equation were solved for airflow (Prandtl number, Pr = 0.7) at two inlet Reynolds numbers (Re1) and a wide range of the mass split ratio (β). The results indicate that two re-circulation zones always form on the inside-bend wall of the tee at all flow conditions. Two more re-circulation zones may form on the impacting wall of the tee depending on the values of β and Re1. Results showing the local heat-flux distributions are presented and discussed. It was found that the overall rate of heat transfer reaches a maximum at even mass split (β = 0.5).

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