节点文献
Dynamics simulation of electrorheological suspensions in poiseuille flow field
【Author】 ZHU Shi-sha LUO Cheng ZHOU Jie CHEN Na (1.College of Mechanical Engineer,Xiangtan University,Xiangtan 411105,China 2.Changshu Institute of Technology,Changshu 215500,China)
【机构】 College of Mechanical Engineer,Xiangtan University； Changshu Institute of Technology；
【摘要】 <正>Based on a modified Maxwell-Wagner model,molecular dynamics is carried out to simulate the structural changes of ER (electrorheological) suspensions in a poiseuille flow field.The simulation results show that the flow assists in the collection of particles at the electrodes under a low pressure gradient,and the negative ER effect will show under a high pressure gradient.By analyzing the relationship curves of the shear stress and the pressure gradient in different relaxation time,it is found that for the same kind of ER suspensions materials,there is an optimal dielectric relaxation frequency.
【Abstract】 Based on a modified Maxwell-Wagner model,molecular dynamics is carried out to simulate the structural changes of ER (electrorheological) suspensions in a poiseuille flow field.The simulation results show that the flow assists in the collection of particles at the electrodes under a low pressure gradient,and the negative ER effect will show under a high pressure gradient.By analyzing the relationship curves of the shear stress and the pressure gradient in different relaxation time,it is found that for the same kind of ER suspensions materials,there is an optimal dielectric relaxation frequency.
- 【会议录名称】 Proceedings of the 9th National Conference on Rheology
- 【会议名称】The 9th National Conference on Rheology
- 【会议时间】2008-09
- 【会议地点】中国湖南长沙
- 【分类号】TQ021
- 【主办单位】Chinese Society of Rheology(CSR)、Central South University of Forestry & Technology(CSUFT)、Xiangtan University(XTU)、Hunan University of Technology(HNUT)