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Analysis of Laminar Forced-convection Heat Transfer in Entrance Region of Flat Rectangular Ducts
註釋The simultaneous development of temperature and velocity profiles in the entrance region of a flat rectangular duct is studied. The flow is assumed to be laminar with negligible dissipation. All fluid properties are taken to be constant, and the wall temperatures are uniform. Thermal and velocity boundary layers are calculated using the Karman-Pohlhausen method. Nusselt numbers are reported for Prandtl numbers in the range 0.01 to 50.