Number of Tubes(Nt):
Where,
  
            A - Provisional area of the exchanger in in2 (from eq: 5)

            do - Outer diameter of the tube in inches (value from table 6)

            L - Length of the tube in inches (from page 7)

Now the number of tubes required for the heat exchanger is obtained from the above formula

Where,
            q - Mass flow rate of tube side fluid in KW (from eq: 1)

            U - Overall heat transfer coefficient in W/m2oc (assumed value from table 6)

            DTm - Mean temperature difference in oc (from eq: 4)

Now the provisional area for the exchanger is obtained from the above formula.
Contact Us
Mail Us
info@3d-labs.com