Experimental Study of Condensation Heat Transfer Promotion on a Fluted Tube with Thin Porous Coatings
作者:
Zhong-Zheng Wang, Dong Wei, Fangjun Hong,
期刊:
Heat Transfer Engineering
(Taylor Available online 2000)
卷期:
Volume 21,
issue 4
页码: 46-52
ISSN:0145-7632
年代: 2000
DOI:10.1080/01457630050144497
出版商: Informa UK Ltd
数据来源: Taylor
摘要:
The article is a presentation of a new method for enhancement of filmwise condensation heat transfer on a vertical tube. The method is that a tube is fluted on its outer surface and coated with metallic powder on the crest, which is called a fluted tube with coatings. The experimental results show that the enhancement of condensation is more notable because of the dual function of Gregorig effect and the thin porous coatings.
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