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Abstract:
3D numerical studies on air side heat transfer and fluid flow characteristics of wavy fin-and-tube heat exchanger are performed for circular tube and four elliptic tube patterns. The elliptic tubes have the same tube perimeter, tube section area, tube hydraulic diameter and minimum airside free-flow area as circular tube respectively. Compared with circular tube, average Nu of the four elliptic tube patterns are enhanced 12.3, 14.6, 17.0 and 16.9% respectively; the f of the previous three elliptic tube patterns are decreased 23.9, 20.7 and 17.0%, but the friction factor for the fourth elliptic tube pattern increases 7.1%.
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Source :
PROGRESS IN COMPUTATIONAL FLUID DYNAMICS
ISSN: 1468-4349
Year: 2008
Issue: 7-8
Volume: 8
Page: 510-517
Language: English
0 . 5
JCR@2008
1 . 0 4 8
JCR@2020
ESI Discipline: ENGINEERING;
JCR Journal Grade:4
CAS Journal Grade:4
Cited Count:
WoS CC Cited Count: 5
SCOPUS Cited Count: 6
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 5
Affiliated Colleges: