Air flows through a pipe that is 13-cm in diameter, and 6.5-m in length. The air moves through the pipe at an average ve

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Air Flows Through A Pipe That Is 13 Cm In Diameter And 6 5 M In Length The Air Moves Through The Pipe At An Average Ve 1 (35.94 KiB) Viewed 35 times

Air flows through a pipe that is 13-cm in diameter, and 6.5-m in length. The air moves through the pipe at an average velocity of 3.5 m/s, and in doing so its temperature drops 20°C as it passes through the pipe (from the inlet through to the outlet). Take the properties of air as follows: Cp-1007 J/kgK, K = 0.02551 W/m-K, p = 1.184 kg/m³, v= 1.56x10-5 m²/s, and Pr = 0.7 1) Reynolds number [Select] 2) Nu [Select] [Select] 3) Q 4) Following from the previous question, if the air temperature at the inlet is 60°C. What was the film temperature (in degrees celcius) used to determine the air properties?