Page 206 - Chemical Process Equipment - Selection and Design
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178 HEAT TRANSFER AND HEAT EXCHANGERS
(e)
(g)
Liquid flow
Gas I
Figure 8.6. Examples of extended surfaces on one or both sides. (a) Radial fins. (b) Serrated radial fins. (c) Studded surface. (d) Joint
between tubesheet and low fin tube with three times bare surface. (e) External axial fins. (f) Internal axial fins. (g) Finned surface with
internal spiral to promote turbulence. (h) Plate fins on both sides. (i) Tubes and plate fins.
