Chapter 8: Internal Forced Convection
Chapter 8: Internal Forced Convection
Chapter 8: Internal Forced Convection
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Turbulent flow Nusselt Number• The Nusselt numbers are muchhigher in the entrance region.• The Nusselt number reachesa constant value at a distanceof less than 10 diameters.• The Nusselt numbers for theuniform surface temperature and uniform surface heatflux conditions are identical in the fully developedregions, and nearly identical in the entrance regions. Nusselt number is insensitive to the type ofthermal boundary condition.