Engineering, 26.11.2019 19:31, meganwintergirl

Air is heated in a 1-meter-long, 4 mm by 16 mm rectangular duct. the air inlet temperature is 27 °c and the air mass flow rate is 0.0003 kg/s. a uniform heat flux of 600 w/m^2 is imposed on the duct surface. determine the average temperature of the air and the surface temperature of the duct at the duct exit.

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Air is heated in a 1-meter-long, 4 mm by 16 mm rectangular duct. the air inlet temperature is 27 °c...