The Influence of the Punched Delta Wings on Flow Pattern and Heat Transfer Characteristic in a Fin-and-Oval-Tube Heat Exchanger

Figure 1

(a) Fin-and-oval-tube heat exchanger with the punched delta wings (single fin plate). (b) Fin-and-oval-tube heat exchanger with the punched delta wings (three fin plates). (c) Details of each fin.

(a)

(b)

(c)