Experimental study of water film falling and spreading on a large vertical plate

被引：35
|
作者：
Yu, Y. Q. [1 ]
Wei, S. J. [1 ]
Yang, Y. H. [1 ]
Cheng, X. [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Sch Nucl Sci & Engn, Shanghai 200240, Peoples R China
来源：
PROGRESS IN NUCLEAR ENERGY | 2012年 / 54卷 / 01期
关键词：
Water film; Film thickness; Surface wave; LIQUID; FLOW; WAVES;
D O I：
10.1016/j.pnucene.2011.09.007
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
In this paper, experimental studies on water film falling and spreading on a large vertical flat plate are carried out. The experiments aim at investigating the flow characteristics of a falling film. The Reynolds number of falling film ranges from 50 to 900. Capacitance probes and high speed camera are chosen to measure the water film thickness and wave velocity. Plates with different coatings are used to study the effect of the surface condition on the coverage rate. Based on the comparison with theoretical solutions and other experimental data in open literature, the reliability of the experimental data is proven. Experimental results on film thickness, its probability density function, as well as coverage rate and wave velocity are presented and discussed. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：22 / 28
页数：7
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