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  3. dry, compressed air at tm,i = 85°c, p = 20 atm,

Dry, compressed air at Tm,i = 85°C, p = 20 atm, with a mass flow rate of...

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Mechanical Engineering

Dry, compressed air atTm,i = 85°C, p = 20 atm, with a massflow rate of m?? = 0.005kg/s, enters a 30-mm- diameter,5-m-long tube whose surface is at Ts = 25°C.

Determine the thermal entry length, themean temperature of the air at the tube outlet, the rate of heattransfer from the air to the tube wall, and the power required toflow the air through the tube. ?

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