Water at 10°C is is flowing at 0.8 m/s across a long cylinder that is made of a material that generates heat by 8.5 kW/m³. The cylinder has a diameter of 0.3 m. Thermal conductivity of the cylinder is 28 W/m.°C. Assuming the film temperature is same as the water temperature, find out the surface temperature of the cylinder. Then comment whether the assumption related to film temperature was reasonable. 622 %
Water at 10°C is is flowing at 0.8 m/s across a long cylinder that is made of a material that generates heat by 8.5 kW/m³. The cylinder has a diameter of 0.3 m. Thermal conductivity of the cylinder is 28 W/m.°C. Assuming the film temperature is same as the water temperature, find out the surface temperature of the cylinder. Then comment whether the assumption related to film temperature was reasonable. 622 %
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 7.16P
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![Water at 10°C is is flowing at 0.8 m/s across a long cylinder that is made of a material that generates heat
by 8.5 kW/m³. The cylinder has a diameter of 0.3 m. Thermal conductivity of the cylinder is 28 W/m. °C.
Assuming the film temperature is same as the water temperature, find out the surface temperature of the
cylinder. Then comment whether the assumption related to film temperature was reasonable.
Ts = 10'33 °℃](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0b5f7d3b-8621-4842-bac9-3dc36f9cc605%2F18951a0c-610e-4cec-9e41-b5571bce987d%2Fojpvegei_processed.png&w=3840&q=75)
Transcribed Image Text:Water at 10°C is is flowing at 0.8 m/s across a long cylinder that is made of a material that generates heat
by 8.5 kW/m³. The cylinder has a diameter of 0.3 m. Thermal conductivity of the cylinder is 28 W/m. °C.
Assuming the film temperature is same as the water temperature, find out the surface temperature of the
cylinder. Then comment whether the assumption related to film temperature was reasonable.
Ts = 10'33 °℃
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