Research Article
The Influence of the Punched Delta Wings on Flow Pattern and Heat Transfer Characteristic in a Fin-and-Oval-Tube Heat Exchanger
Figure 14
contours on the fin surface for (a) = 20°, (b) = 30°, and (c) = 45° at PR = 2, Re = 2000, and = 30° with wing tip pointing downstream.
(a) |
(b) |
(c) |