Developing turbulent forced convection flow in a two-dimensional duct is simulated for Reynolds numbers ranging from 4560 to 12,000. Simultaneously developing velocity and temperature distributions are reported by treating the inlet flow as isothermal with uniform velocity profile. The walls are supplied with uniform heat flux. Distributions of the streamwise and the transverse velocity components exhibit a maximum near the walls, but not at the center of the duct, in the developing region of the flow. The friction coefficient and the Nusselt number do not reach the fully developed values monotonously, and a minimum in their distributions appears in the developing region. Some results are compared with the available data, and very favorable comparisons are obtained.

Issue Section:
Technical Briefs
Keywords:
forced convection, boundary layer turbulence, pipe flow, flow simulation, temperature distribution, friction, finite volume methods, turbulent, heat transfer, forced convection, developing flow, duct
Topics:
Ducts, Flow (Dynamics), Forced convection, Friction, Reynolds number, Turbulence, Temperature distribution, Heat flux, Temperature
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Copyright © 2007
 by American Society of Mechanical Engineers
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