Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2003-06-30

Journal: 化工学报

Included Journals: CSCD、ISTIC、PKU

Volume: 54

Issue: 6

Page Number: 850-853

ISSN: 0438-1157

Key Words: 接触角;膜状冷凝;强化传热;固液界面效应

Abstract: 引言
冷凝有两种形态:膜状冷凝和滴状冷凝.当液固表面自由能差△σ≥33.3mJ@m-2[1],即液体完全不润湿固体表面时,蒸气在表面上将呈现滴状冷凝,其传热系数是膜状冷凝的几倍到几十倍.