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//Variable declaration:
//From example 14.14:
Di = 0.825/12.0 //%pipe inside diameter (ft)
L = 1.0 //%pipe length (ft)
Ui = 0.7492 //Overall heat coefficient (Btu/h.ft^2.°F)
Ts = 247.0 //Steam temperature (°F)
ta = 60.0 //Air temperature (°F)
//Calculation:
Ai = %pi*Di*L //Inside area of %pipe (ft^2)
Q = Ui*Ai*(Ts-ta) //Heat transfer rate (Btu/h)
//Result:
printf("The heat transfer rate is : %.1f Btu/h.",Q)
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