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固液界面接触角对膜状冷凝传热强化的初步分析

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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.

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