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剪切流场中分散相液滴形变三维力学模型论证
引用本文:王亮,董守平,周建平,郭长会,张明明,王会娟. 剪切流场中分散相液滴形变三维力学模型论证[J]. 石油化工设备, 2011, 40(2): 1-6
作者姓名:王亮  董守平  周建平  郭长会  张明明  王会娟
作者单位:1. 中国石油大学,北京,102249
2. 胜利油田,胜利工程设计咨询有限责任公司,山东,东营,257026
基金项目:国家863计划课题:高频脉冲电场及离心场联合作用下复杂乳化液处理技术(2007AA06Z224); 北京市教育委员会重点学科资助项目(No.XK114140594)
摘    要:
针对乳化液破乳机理研究中剪切流场作用下分散相液滴形变模型选择的问题,通过改进设计内、外桶反向旋转剪切实验装置,并结合数字图像处理技术,从实验的角度率先对液滴变形的基本模型进行验证,实验结果表明,液滴在剪切流场中发生三维力学变形。在此基础上进一步对其变形规律及变形机理进行了一定的实验及理论探讨,提出了液滴形变非仿射度概念。通过对剪切流场中变形液滴表面应力分布进行模拟,提出了更加准确的液滴模型描述方法,为今后精确变形液滴形态数学模型的建立打下基础。

关 键 词:乳化液  破乳机理  剪切流场  液滴形变三维模型  非仿射度

Theory and Experimental Study on Three-dimensional Mechanical Model of Emulsion Droplets Deformation in Shear Flow
WANG Liang,DONG Shou-ping,ZHOU Jian-ping,GUO Chang-hui,ZHANG Ming-ming,WANG Hui-juan. Theory and Experimental Study on Three-dimensional Mechanical Model of Emulsion Droplets Deformation in Shear Flow[J]. Petro-Chemical Equipment, 2011, 40(2): 1-6
Authors:WANG Liang  DONG Shou-ping  ZHOU Jian-ping  GUO Chang-hui  ZHANG Ming-ming  WANG Hui-juan
Affiliation:WANG Liang1,DONG Shou-ping1,ZHOU Jian-ping1,GUO Chang-hui2,ZHANG Ming-ming1,WANG Hui-juan1 (1.China University of Petroleum,Beijing 102249,China,2.Shengli Engineering & Consulting Co.Ltd.,Dongying 257026,China)
Abstract:
Aiming at the problem of choosing the deformation model of the disperse phase droplet in shear flow field,which is very important to demulsification,the authentication for the basic droplet deformation model was proposed from the perspective of experimental for the first time.In order to make a further study on the droplet coalescence mechanism in a shear flow,the shear experiment device of the reverse rotating concentric barrels was improved,combined with digital image processing technology.Experimental re...
Keywords:emulsion  demulsification mechanism  shear flow  three-dimensional droplet deformation model  non-affine degree  
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