Turbulent Forced Convection and Heat Transfer Characteristic in a Circular Tube with Modified-Twisted Tapes

Figure 14

Local Nusselt number distributions on the tube wall of (a) LR = 0.3, (b) LR = 0.44, (c) LR = 0.78, and (d) LR = 0.88 for the tube with the modified-twisted tape at TR = 1 and Re = 10,000.

(a)

(b)

(c)

(d)