MEASURING DYNAMIC SURFACE TENSION OF SURFACTANT SOLUTIONS BY USING GROWING BUBBLE METHOD

Wang Zhilong; Guo Hongyu and Li Tongming ( Department of Chemical Engineering; Cheng Haojun and Lai Kewei(Department of Computer Science; Tianjin University; Tianjin 300072)

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MEASURING DYNAMIC SURFACE TENSION OF SURFACTANT SOLUTIONS BY USING GROWING BUBBLE METHOD

更新时间：2025-12-16

- MEASURING DYNAMIC SURFACE TENSION OF SURFACTANT SOLUTIONS BY USING GROWING BUBBLE METHOD
- CIESC Journal Issue 4, (1999)
- 作者机构：
  
  天津大学化学工程系!天津300072,天津大学化学工程系!天津300072,天津大学化学工程系!天津300072,天津大学计算机系!天津300072,天津大学计算机系,天津,300072
- 作者简介：
- 基金信息：
- DOI：
  CLC： 647
- Online First：25 August 1999，
  
  Published：25 August 1999
- 稿件说明：
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Wang Zhilong, Guo Hongyu and Li Tongming ( Department of Chemical Engineering, Cheng Haojun and Lai Kewei(Department of Computer Science, et al. MEASURING DYNAMIC SURFACE TENSION OF SURFACTANT SOLUTIONS BY USING GROWING BUBBLE METHOD[J]. CIESC Journal, 1999, (4).
DOI：

Wang Zhilong, Guo Hongyu and Li Tongming ( Department of Chemical Engineering, Cheng Haojun and Lai Kewei(Department of Computer Science, et al. MEASURING DYNAMIC SURFACE TENSION OF SURFACTANT SOLUTIONS BY USING GROWING BUBBLE METHOD[J]. CIESC Journal, 1999, (4). DOI：

摘要

在理论分析的基础上

采用计算机图像采集技术

实时记录气泡的长大过程

用图像分析技术确定气泡边缘形状

即采用局部阈值的边缘跟踪算法识别气泡的边缘井进行优化

建立了根据气泡图像测定动表面张力的实验装置

可直接测量动表面张力随时间的变化.测定了十二烷基硫酸钠溶液的动表面张力.

Abstract

A technique for measuring dynamic surface tensions

which is based on the theoretical analysis on a growing bubble

is proposed. The growing process of the bubble is captured by video-image technique. An edge-tracing algorithm using a local threshold and profile optimization is applied to determining the shape of the growing bubble. A device for measuring the dynamic surface tension from the profile of a growing bubble is set up

so that the dynamic surface tension can be determined directly as a function of time. The dynamic surface tensions of sodium dodecyl sulfate (SDS) solutions are also measured.

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