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Unformatted text preview: 8/13/11 Consider air flowing through a circular, thin walled, pipe of diameter 5 cm and length 3 m. Air enters the pipe at a velocity of 0.75 m/s and a temperature of 25C, which is uniformly heated at a rate of 100 W/m2. Determine the maximum surface temperature and the location where it occurs. The air properties may be assumed constant: Density 0.995 kg/m3 Cp 1009 J/kgK Viscosity (&) 2.08 x 105 Ns/m2 Kinematic Viscosity (& ) 2.09x105 m2/s Thermal conductivity (k) 0.03 W/mK Thermal diffusivity (& ) 3 x 105 m2/s Pr 0.700 Volumetric Expansion Coefficient (F) 0.003 K1 8/13/11 Consider air flowing through a circular, thin walled, pipe of diameter 5 cm and length 3 m. Air enters the pipe at a velocity of 0.75 m/s and a temperature of 25C, which is uniformly heated at a rate of 100 W/m2. Determine the maximum surface temperature and the location where it occurs. 8/13/11 Consider air flowing through a circular, thin walled, pipe of diameter 5 cm and length 3 m. Air enters the pipe at a velocity of 0.75 m/s and a temperature the pipe at a velocity of 0....
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This note was uploaded on 08/13/2011 for the course CHEM 3210 taught by Professor Degrazia during the Fall '10 term at Colorado.
 Fall '10
 DEGRAZIA

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