Air is flowing in parallel over the upper surface of a flat plate with a length of 4m. The first half of the plate length, from the leading edge, has a constant surface temperature of 50 degrees Celsius. The second half of the plate length is subjected to a uniform heat flux of 86 W/m2. The air has a free stream velocity and temperature of 2 m/s and 10 degrees Celsius, respectively. Determine the local convection heat transfer coefficients at 1 m and 3 m from the leading edge. Evaluate the air properties at a film temperature of 30 degrees Celsius. Is the film temperature Tf=30 degrees Celsius applicable at x = 3 m?
Air is flowing in parallel over the upper surface of a flat plate with a length of 4m. The first half of the plate length, from the leading edge, has a constant surface temperature of 50 degrees Celsius. The second half of the plate length is subjected to a uniform heat flux of 86 W/m2. The air has a free stream velocity and temperature of 2 m/s and 10 degrees Celsius, respectively. Determine the local convection heat transfer coefficients at 1 m and 3 m from the leading edge. Evaluate the air properties at a film temperature of 30 degrees Celsius. Is the film temperature Tf=30 degrees Celsius applicable at x = 3 m?
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.
Chapter7: Forced Convection Inside Tubes And Ducts
Section: Chapter Questions
Problem 7.22P
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Air is flowing in parallel over the upper surface of a flat plate with a length of 4m. The first half of the plate length, from the leading edge, has a constant surface temperature of 50 degrees Celsius. The second half of the plate length is subjected to a uniform heat flux of 86 W/m2. The air has a free stream velocity and temperature of 2 m/s and 10 degrees Celsius, respectively. Determine the local convection heat transfer coefficients at 1 m and 3 m from the leading edge. Evaluate the air properties at a film temperature of 30 degrees Celsius. Is the film temperature Tf=30 degrees Celsius applicable at x = 3 m?
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