QUESTION - 2 In a 1-1 shell and tube heat exchanger, steam is condensing on the shell side at Tso c and the cold fluid is being heated on the tube side from t1 oc to t2 oc . the following equation relates t2 to the other variable-
ln = ln Ts - t1 /Ts - t2 = U.A/W.Cp
WHERE , U = overall heat transfer coefficient ,
A = HEAT TRANSFER AREA
W = MASS FLOW RATE
Cp = heat capacity
THE tube side coefficient is controlling and the tube side fluid is in turbulent flow.
Ts = 130 OC, t1 = 30 oc and t2 = 80 oc
If the mass flow rate of cold fluid is doubled while keeping all other conditions same , what is the new value of t2 at steady state?