Air flows over a flat plate with a velocity u = 13 m/s and temperature Te = 25 °C. The plate surface area and temperature are A = 2 x 2 m and T, =125 °C, respectively. a- Determine the critical length X (length of the laminar region). b- Determine the rate of heat transfer in the laminar region. %3D C- Determine the total rate of heat transfer from the entire plate (mixed boundary layer). Use the following properties of air H = 2.08 x 10 N.s/m2, p =0.887 kg/m, k 0.0325 W/m.K, Pr = 0.705 @111

Air flows over a flat plate with a velocity u = 13 m/s and temperature Te = 25 °C. The plate surface area and temperature are A = 2 x 2 m and T, =125 °C, respectively. a- Determine the critical length X (length of the laminar region). b- Determine the rate of heat transfer in the laminar region. %3D C- Determine the total rate of heat transfer from the entire plate (mixed boundary layer). Use the following properties of air H = 2.08 x 10 N.s/m2, p =0.887 kg/m, k 0.0325 W/m.K, Pr = 0.705 @111

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.29P: Air at 20C flows at 1 m/s between two parallel flat plates spaced 5 cm apart. Estimate the distance...

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