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Indexed by:期刊论文
Date of Publication:2003-06-30
Journal:化工学报
Included Journals:PKU、ISTIC、CSCD
Volume:54
Issue:6
Page Number:850-853
ISSN No.: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.
