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[1]李玲,陈金芳*,陈启明,等.可视化方法研究磷酸介质中金属粒子微团的运动[J].武汉工程大学学报,2010,(05):5-10.[doi:10.3969/j.issn.16742869.2010.05.002]
 LI Ling,CHEN Jin fang,CHEN Qi ming,et al.Research on movement of metallic ion particles inphosphoric acid by visualization technique[J].Journal of Wuhan Institute of Technology,2010,(05):5-10.[doi:10.3969/j.issn.16742869.2010.05.002]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2010年05期
页码:
5-10
栏目:
化学与化学工程
出版日期:
2010-05-31

文章信息/Info

Title:
Research on movement of metallic ion particles in
phosphoric acid by visualization technique
文章编号:
16742869(2010)05000506
作者:
李玲陈金芳*陈启明罗晔张瑞
武汉工程大学化工与制药学院,绿色化工过程省部共建教育部重点实验室,
湖北省新型反应器与绿色化学工艺重点实验室,湖北 武汉 430074
Author(s):
LI Ling CHEN Jinfang CHEN QimingLUO YeZHANG Rui
School of Chemical Engineering and Pharmacy,Wuhan Institute of Technology,Hubei Key Lab of Novel Chemical Reactor
and Green Chemical Technology,Key Laboratory of Green Chemical Process of Ministry of Education,Wuhan 430074,China
关键词:
可视化磷酸金属离子微团溶液NS方程
Keywords:
visualizationphosphoric acidmetallic ion particlessolutionNS equation
分类号:
TQ021.4;O357
DOI:
10.3969/j.issn.16742869.2010.05.002
文献标志码:
A
摘要:
结合光电显微技术和数字图像分析技术,从亚微观角度研究了磷酸介质中金属粒子微团的运动情况,经可视化实验观察,发现磷酸溶液中金属离子微团主要呈球形;采用黏性流体运动方程(NavierStokes方程)分析磷酸溶液中粒子微团的速度分布和受力情况.通过设定相应边界条件,可得磷酸溶液中粒子微团的速度分布为,ux=V0x1x2+y2-3a2(x2+y2)+a32(x2+y2)2,uy=-V0y1x2+y2-3a(x2+y2)+a3(x2+y2)2,作用在粒子微团表面上的流体压力0.206 7 V0a,作用在粒子微团表面上的剪切力为0.413 4 V0a.用粒子速度测量软件测量磷酸溶液中金属粒子微团的几何直径和运动速度,再根据上述速度分布方程计算磷酸溶液中金属粒子微团的运动速度,比较发现所得理论值与实测值基本上相符合.
Abstract:
Combined with infrared spectroscopy and visualization technology, the movement of metallic ion particles in Phosphoric acid had been studied from the perspective of submicroscopic. Visualization experiments observed that the metal ions in phosphoric acid solution was mainly spherical micelles; Application of equation NavierStokes,mechanics of metallic ion particles in phosphoric acid has been analyzed. By setting the appropriate boundary conditions,velocity distribution of metallic ion particles in Phosphoric acid as follows:ux=V0x1x2+y2-3a2(x2+y2)+a32(x2+y2)2,uy=-V0y1x2+y2-3a(x2+y2)+a3(x2+y2)2,and fluid pressure that acting on the surface of microparticles was 0.206 7V0a, and shear stress that acting on the surface of microparticles was 0.413 4V0a. The metal particle velocity and geometric diameter of microgroups in Phosphoric acid had been measured by particle velocity measurement software. According to the velocity distribution equation, the velocity of metallic ion particles had been caculated, and the result show that the calculated theoretical and measured values are basically consistent.

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备注/Memo

备注/Memo:
收稿日期:20100106基金项目:国家自然科学基金(No 20876118)作者简介:李玲(1983),女,湖北云梦人,硕士研究生.研究方向:化学工艺.指导老师:陈金芳,教授,硕士研究生导师.研究方向:化学工艺
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