|本期目录/Table of Contents|

[1]陈蒙蒙,张先明,陈文兴,等.浸渍涂覆过程中液膜流动的数值模拟[J].浙江理工大学学报,2016,35-36(自科1):47-51.
 CHEN Mengmeng,ZHANG Xianming,CHEN Wenxing,et al.Numerical Simulation of Liquid Film Flow in Dip Coating Process[J].Journal of Zhejiang Sci-Tech University,2016,35-36(自科1):47-51.
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浸渍涂覆过程中液膜流动的数值模拟()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第35-36卷
期数:
2016年自科1期
页码:
47-51
栏目:
出版日期:
2016-01-10

文章信息/Info

Title:
Numerical Simulation of Liquid Film Flow in Dip Coating Process
文章编号:
1673-3851 (2016) 01-0047-05
作者:
陈蒙蒙张先明陈文兴冯连芳
1.浙江理工大学纺织纤维材料与加工技术国家地方联合工程实验室,杭州 310018;2.浙江大学,a.化学工程国家重点实验室;b.化学工程与物工程学系,杭州 310027
Author(s):
CHEN Mengmeng ZHANG Xianming CHEN Wenxing FENG Lianfang
1. National Engineering Laboratory for Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China; 2a. Key Laboratory of Chemical Engineering; 2b.Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
关键词:
浸渍涂覆液膜流动数值模拟
分类号:
O357.1
文献标志码:
A
摘要:
结合有限元法和网格重划分法,在毛细数( Ca)0.01<Ca <20范围内对硅油流体浸渍涂覆过程中的薄膜流动问题进行模拟,并将牛顿流体膜厚的模拟结果与其他文献中实验结果进行比较;通过对不同流体薄膜流动问题的分析,讨论了流体流变性能和加工参数对涂覆膜厚和自由面的影响规律。对流动过程中流场的分析表明:当流场稳定后,基板邻近的流体沿基板向上运动,而其他的流体流回槽中,在其内部形成一个漩涡,当流体黏度较小时,在自由面上形成一个驻点,而当黏度较大时驻点在内部形成;随提拉速度增大,几种流体的驻点均远离基板,同时非牛顿流体内部的漩涡逐渐减小。

参考文献/References:

[1] KISTLER S F, SCHWEIZER P M. Liquid Film Coating [M]. London: Chapman &Hall, 1997: 1-15.
[2] LANDAU L D, LEVICH B V. Dragging of a liquid by a moving plate [J]. Acta Physicochim, USSR, 1942, 17: 42-54.
[3] MAYER H C, KRECHETNIKOV R. LandauLevich flow  visualization: Revealing the flow topology responsible for the film thickening phenomena [J]. Physics of Fluids, 2012, 24(5): 1-33.
[4] KRECHETNIKOV R, HOMSY G M. Experimental study of substrate roughness and surfactant effects on the LandauLevich law [J]. Physics of Fluids, 2005, 17(10): 1-16.
[5] HUREZ P, TANGUY P. Finite element analysis of dip coating  with Bingham fluids [J]. Polymer Engineering and Science, 1990, 30(18): 1125-1132.
[6] FILALI A, KHEZZAR L, MITSOULIS F. Some experiences with the numerical simulation of Newtonian and Bingham fluids in dip coating [J]. Physics of Fluids, 2013, 82: 110-121.
[7] KIZITO  J P, KAMOTANI Y, OSTRACH S. Experimental free coating flows at high capillary and Reynolds number [J]. Experiments in Fluids, 1999, 27(3): 235-243.
[8] WILSON S D R. The dragout problem in film coating theory [J]. Journal of Engineering Mathematics, 1982, 16(3): 209-221.

备注/Memo

备注/Memo:
收稿日期:2015-04-14
基金项目:国家973前期研究专项(2014CB660801)
作者简介:陈蒙蒙(1989- ),女,河南商丘人,硕士研究生,主要从事浸渍涂覆数值模拟方面的研究
通信作者:张先明,E-mail:zhangxm@zstu.edu.cn
更新日期/Last Update: 2016-03-07