Air at 1 atm and 20°C is flowing over the top surface of a 0.2 m x 0.5 m-thin metal foil. The air stream velocity is 100 m/s and the metal foil is heated electrically with a uniform heat flux of 6100 W/m2. If the friction force on the metal foil surface is 0.3 N, determine the surface temperature of the metal foil. Evaluate the fluid properties at 100°C.
Air at 1 atm and 20°C is flowing over the top surface of a 0.2 m x 0.5 m-thin metal foil. The air stream velocity is 100 m/s and the metal foil is heated electrically with a uniform heat flux of 6100 W/m2. If the friction force on the metal foil surface is 0.3 N, determine the surface temperature of the metal foil. Evaluate the fluid properties at 100°C.
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 5.65P
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![Air at 1 atm and 20°C is flowing over the top surface of a 0.2 m x 0.5 m-thin metal foil. The air
stream velocity is 100 m/s and the metal foil is heated electrically with a uniform heat flux of 6100
W/m2. If the friction force on the metal foil surface is 0.3 N, determine the surface temperature of
the metal foil Evaluate the fluid properties at 100°C.
Air, T 20°C
Metal foil
4eler = 6100 W/m?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Faae01f63-b0f7-4d05-998a-eb78bcdaa351%2F2848b8fa-e1e9-4907-9f0a-ba2bc0d2ca0b%2Fgcpl93n_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Air at 1 atm and 20°C is flowing over the top surface of a 0.2 m x 0.5 m-thin metal foil. The air
stream velocity is 100 m/s and the metal foil is heated electrically with a uniform heat flux of 6100
W/m2. If the friction force on the metal foil surface is 0.3 N, determine the surface temperature of
the metal foil Evaluate the fluid properties at 100°C.
Air, T 20°C
Metal foil
4eler = 6100 W/m?
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