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Order Parameter Description of Formation of Chains in Electrorheological Fluids
Wu Fenga1, Zou Jiea1, Ni Yonga1, Guo Zhirongb2
1.Department of Mechanics and Mechanical Engineering, University of Science and Technology of China, Hefei 230026;2.Department ofPhysics, Langfang Teacther’s College, Langfang 065000
Abstract:
A simple long-range-order parameterPis defined for describing the process of formation of chains in the electric field direction. The free energy of the system is taken to be the sum of the internal energy, the electrostatic interaction and configuration entropy as a function o P. Calculated results indicate that the critical parameter is a function of electric field, temperature, misfit dielectric coefficients and concentration of particles.
Key words:  Order parameter, Electrorheological fluids
FundProject:
电流变液成链过程的一种序参量描述
吴峰1, 邹杰1, 倪勇1, 郭志荣2
1.中国科学技术大学力学和机械工程系,合肥 230026;2.廊坊师范学院物理系,廊坊 065000
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