Air at p = 1 atmenters a thin-walled (D = 5-mm diameter) long tube (L = 2 m) at an inlet temperature of Tmi = constant heat flux is applied to the air from the tube surface. The air mass flow rate is m = 125 x 10-6 kg/s. If the tube surface temperature at the exit is T, = 160°C, determine the heat rate entering the tube, in W. Evaluate properties at T = 400 K. 100°C. A 3,0

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
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Chapter6: Forced Convection Over Exterior Surfaces
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Air at p = 1 atmenters a thin-walled (D = 5-mm diameter) long tube (L = 2 m) at an inlet temperature of Tmi = 100°C. A
constant heat flux is applied to the air from the tube surface. The air mass flow rate is m = 125 x 10-6 kg/s. If the tube surface
%3D
temperature at the exit is T,, = 160°C, determine the heat rate entering the tube, in W. Evaluate properties at T = 400 K.
3,0
W
Transcribed Image Text:Air at p = 1 atmenters a thin-walled (D = 5-mm diameter) long tube (L = 2 m) at an inlet temperature of Tmi = 100°C. A constant heat flux is applied to the air from the tube surface. The air mass flow rate is m = 125 x 10-6 kg/s. If the tube surface %3D temperature at the exit is T,, = 160°C, determine the heat rate entering the tube, in W. Evaluate properties at T = 400 K. 3,0 W
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