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扩散双电层作用下的胶体粒子聚集过程模拟
被引:26
作者
:
论文数:
引用数:
h-index:
机构:
蒋新
机构
:
[1]
浙江大学化学工程与生物工程学系浙江杭州
来源
:
高校化学工程学报
|
2004年
/ 01期
关键词
:
扩散双电层;
扩散控制聚集(DLCA);
分形维;
模拟;
D O I
:
暂无
中图分类号
:
O648 [胶体化学(分散体系的物理化学)];
学科分类号
:
070305
[高分子化学与物理]
;
摘要
:
在MATLAB平台上构建了纳米粒子聚集过程的模拟软件,基于扩散控制聚集模型,对扩散双电层作用下的聚集过程进行模拟。研究了双电层厚度为0、2、5倍粒径时的聚集速率和体系中的粒度分布,模拟显示聚集速率随着双电层厚度的增加而急剧下降,尺度与双电层厚度相当的团簇受双电层的影响最为显著。聚集体的分形维随双电层厚度增加而下降,说明单个粒子或者小团簇进入大团簇的内部变得困难。
引用
收藏
页码:33 / 37
页数:5
相关论文
共 5 条
[1]
Brownian dynamics simulation of aggregation kinetics of hard spheres with flexible bonds
[J].
Rzepiela, AA
论文数:
0
引用数:
0
h-index:
0
机构:
Univ Wageningen & Res Ctr, Dept Agr Environm & Syst Technol, NL-6703 HA Wageningen, Netherlands
Rzepiela, AA
;
van Opheusden, JHJ
论文数:
0
引用数:
0
h-index:
0
机构:
Univ Wageningen & Res Ctr, Dept Agr Environm & Syst Technol, NL-6703 HA Wageningen, Netherlands
van Opheusden, JHJ
;
van Vliet, T
论文数:
0
引用数:
0
h-index:
0
机构:
Univ Wageningen & Res Ctr, Dept Agr Environm & Syst Technol, NL-6703 HA Wageningen, Netherlands
van Vliet, T
.
JOURNAL OF COLLOID AND INTERFACE SCIENCE,
2001,
244
(01)
:43
-50
[2]
Evolution of aggregate size and fractal dimension during Brownian coagulation
[J].
Kostoglou, M
论文数:
0
引用数:
0
h-index:
0
机构:
Chem Proc Engn Res Inst, Ctr Res & Technol Hellas, Aerosol & Particle Technol Lab, Thessaloniki 57001, Greece
Chem Proc Engn Res Inst, Ctr Res & Technol Hellas, Aerosol & Particle Technol Lab, Thessaloniki 57001, Greece
Kostoglou, M
;
Konstandopoulos, AG
论文数:
0
引用数:
0
h-index:
0
机构:
Chem Proc Engn Res Inst, Ctr Res & Technol Hellas, Aerosol & Particle Technol Lab, Thessaloniki 57001, Greece
Chem Proc Engn Res Inst, Ctr Res & Technol Hellas, Aerosol & Particle Technol Lab, Thessaloniki 57001, Greece
Konstandopoulos, AG
.
JOURNAL OF AEROSOL SCIENCE,
2001,
32
(12)
:1399
-1420
[3]
On the concentration dependence of the cluster fractal dimension in colloidal aggregation
[J].
González, AE
论文数:
0
引用数:
0
h-index:
0
机构:
Univ Nacl Autonoma Mexico, Ctr Ciencias Fis, Cuernavaca 62251, Morelos, Mexico
González, AE
;
论文数:
引用数:
h-index:
机构:
Lach-Hab, M
;
Blaisten-Barojas, E
论文数:
0
引用数:
0
h-index:
0
机构:
Univ Nacl Autonoma Mexico, Ctr Ciencias Fis, Cuernavaca 62251, Morelos, Mexico
Blaisten-Barojas, E
.
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY,
1999,
15
(02)
:119
-127
[4]
A historical introduction to computer models for fractal aggregates
[J].
Meakin, P
论文数:
0
引用数:
0
h-index:
0
机构:
Univ Oslo, Dept Phys, N-0316 Oslo, Norway
Univ Oslo, Dept Phys, N-0316 Oslo, Norway
Meakin, P
.
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY,
1999,
15
(02)
:97
-117
[5]
The Future of Sol-Gel Science and Technology.[J].D.R. Uhlmann;G. Teowee;J. Boulton.Journal of Sol-Gel Science and Technology.1997, 1
←
1
→
共 5 条
[1]
Brownian dynamics simulation of aggregation kinetics of hard spheres with flexible bonds
[J].
Rzepiela, AA
论文数:
0
引用数:
0
h-index:
0
机构:
Univ Wageningen & Res Ctr, Dept Agr Environm & Syst Technol, NL-6703 HA Wageningen, Netherlands
Rzepiela, AA
;
van Opheusden, JHJ
论文数:
0
引用数:
0
h-index:
0
机构:
Univ Wageningen & Res Ctr, Dept Agr Environm & Syst Technol, NL-6703 HA Wageningen, Netherlands
van Opheusden, JHJ
;
van Vliet, T
论文数:
0
引用数:
0
h-index:
0
机构:
Univ Wageningen & Res Ctr, Dept Agr Environm & Syst Technol, NL-6703 HA Wageningen, Netherlands
van Vliet, T
.
JOURNAL OF COLLOID AND INTERFACE SCIENCE,
2001,
244
(01)
:43
-50
[2]
Evolution of aggregate size and fractal dimension during Brownian coagulation
[J].
Kostoglou, M
论文数:
0
引用数:
0
h-index:
0
机构:
Chem Proc Engn Res Inst, Ctr Res & Technol Hellas, Aerosol & Particle Technol Lab, Thessaloniki 57001, Greece
Chem Proc Engn Res Inst, Ctr Res & Technol Hellas, Aerosol & Particle Technol Lab, Thessaloniki 57001, Greece
Kostoglou, M
;
Konstandopoulos, AG
论文数:
0
引用数:
0
h-index:
0
机构:
Chem Proc Engn Res Inst, Ctr Res & Technol Hellas, Aerosol & Particle Technol Lab, Thessaloniki 57001, Greece
Chem Proc Engn Res Inst, Ctr Res & Technol Hellas, Aerosol & Particle Technol Lab, Thessaloniki 57001, Greece
Konstandopoulos, AG
.
JOURNAL OF AEROSOL SCIENCE,
2001,
32
(12)
:1399
-1420
[3]
On the concentration dependence of the cluster fractal dimension in colloidal aggregation
[J].
González, AE
论文数:
0
引用数:
0
h-index:
0
机构:
Univ Nacl Autonoma Mexico, Ctr Ciencias Fis, Cuernavaca 62251, Morelos, Mexico
González, AE
;
论文数:
引用数:
h-index:
机构:
Lach-Hab, M
;
Blaisten-Barojas, E
论文数:
0
引用数:
0
h-index:
0
机构:
Univ Nacl Autonoma Mexico, Ctr Ciencias Fis, Cuernavaca 62251, Morelos, Mexico
Blaisten-Barojas, E
.
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY,
1999,
15
(02)
:119
-127
[4]
A historical introduction to computer models for fractal aggregates
[J].
Meakin, P
论文数:
0
引用数:
0
h-index:
0
机构:
Univ Oslo, Dept Phys, N-0316 Oslo, Norway
Univ Oslo, Dept Phys, N-0316 Oslo, Norway
Meakin, P
.
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY,
1999,
15
(02)
:97
-117
[5]
The Future of Sol-Gel Science and Technology.[J].D.R. Uhlmann;G. Teowee;J. Boulton.Journal of Sol-Gel Science and Technology.1997, 1
←
1
→