Heat Transfer Intensification During Condensation on a Horizontal Pipe by Means of Combined Hydrophobic Coating

被引：0
作者：
Kuzma-Kichta, Yu. A. [1 ]
Chugunkov, D. V. [1 ]
Lavrikov, A. V. [1 ]
Ivanov, N. S. [1 ]
机构：
[1] Natl Res Univ MPEI, 14 Bldg,1 Krasnokazarmennaya Str, Moscow 111250, Russia
来源：
JOURNAL OF ENGINEERING PHYSICS AND THERMOPHYSICS | 2023年 / 96卷 / 02期
关键词：
condensation; hydrophobicity; wetting; contact angle; dropwise condensation;
D O I：
10.1007/s10891-023-02693-1
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Heat emission during water vapor condensation on a horizontal pipe with a structured hydrophobic coating and without it in the presence of noncondensable gases has been studied. A method has been developed for hydrophobizing a metal heat-exchange surface using a combination of microstructure and nanoparticles, which makes it possible to achieve a contact angle of 158 deg. The influence of noncondensable gases and temperature difference on the heat emission coefficient during water vapor condensation on a horizontal pipe without coating and with a coating consisting of carbon nanoparticles has been studied.
引用
收藏
页码：338 / 344
页数：7
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