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壁面涂层构型对垂直降膜流动特性的影响

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2007-08-15

Journal: 工程热物理学报

Included Journals: ISTIC、PKU

Volume: 28

Issue: z2

Page Number: 37-40

ISSN: 0253-231X

Key Words: 界面效应;波动液膜;表面张力;表面涂层

Abstract: 利用特种表面涂层材料对实验管壁进行改性,使液膜形成沟流,实现液膜的内外表面溶液重新掺混;管外涂层的不同构型形成表面张力梯度表面,在吸收过程中可引导液滴向液膜方向运动,促进液膜扰动,从而达到强化传质的目的.通过液膜流动的可视化照片和液膜波动特性的实验结果,对不同状况下的流动形态进行初步分析.

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