AUGMENTATION OF OUTSIDE TUBE HEAT-TRANSFER COEFFICIENT DURING CONDENSATION OF STEAM OVER HORIZONTAL COPPER TUBES

Authors
KUMAR R VARMA HK MOHANTY B AGRAWAL KN
Citation
R. Kumar et al., AUGMENTATION OF OUTSIDE TUBE HEAT-TRANSFER COEFFICIENT DURING CONDENSATION OF STEAM OVER HORIZONTAL COPPER TUBES, International communications in heat and mass transfer, 25(1), 1998, pp. 81-91
Citations number
15
Categorie Soggetti
Mechanics,Thermodynamics
Journal title
International communications in heat and mass transfer → ACNP
ISSN journal
07351933
Volume
25
Issue
1
Year of publication
1998
Pages
81 - 91
Database
ISI
SICI code
0735-1933(1998)25:1<81:AOOTHC>2.0.ZU;2-Y
Abstract
An experimental investigation has been carried out to find the condens ing side heat transfer coefficient, h(0), during condensation of steam over a plain tube, a circular integral-fin tube(CIFT) and a spine int egral-fin tube(SIFT). The GIFT and SIFT have enhanced the h(0) by a fa ctor of 2.5 and 3.2 respectively. The experimental values of h(0) for GIFT were compared with those predicted from different models. The Hon da and Nozu model underpredicted the values of h(0) in a range of 10 t o 20 percent. (C) 1998 Elsevier Science Ltd.