Analysis and experiment of controllability of magnetorheological fluids based on micro-pipeline

doi:10.1007/s11465-009-0048-3

Front Mech Eng Chin

2009, Vol. 4

Issue (3) : 339-344 https://doi.org/10.1007/s11465-009-0048-3

RESEARCH ARTICLE

Analysis and experiment of controllability of magnetorheological fluids based on micro-pipeline

Yongqing SU, Yikuan SONG(

), Jiguang YUE

Department of Control Science and Engineering, Tongji University, Shanghai 201804, China

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Abstract

The controllability of the magneto-rheological fluid (MRF) flowing through a micro-pipeline is analyzed. The coupled formulas for MRF are deduced by analyzing the property of the flow field and magnetic field. Then, the relationship between the flow speed of MRF and the special shear stress under the effect of the magnetic field is founded. The model of the MRF and micro-pipeline is established by using multi-physics software of Comsol, the curve of V-A in an ideal condition is attained by modifying parameters, and by adding the boundary condition of the model. This paper provides a theoretical proof of the controllability of MRF flowing through the micro-pipeline and explores MRF’s application on the micro-drive and control field.

Keywords Magneto-rheological fluids (MRF) micro-pipeline coupled model multi-physics simulation

Corresponding Author(s): SONG Yikuan,Email:syk1984123@yahoo.com.cn

Issue Date: 05 September 2009

Cite this article:

Jiguang YUE,Yongqing SU,Yikuan SONG. Analysis and experiment of controllability of magnetorheological fluids based on micro-pipeline[J]. Front Mech Eng Chin, 2009, 4(3): 339-344.

URL:

https://academic.hep.com.cn/fme/EN/10.1007/s11465-009-0048-3
https://academic.hep.com.cn/fme/EN/Y2009/V4/I3/339

Fig.1 Basic structure of the physical model

Fig.2 Simulated magnetic field distribution from the micro-pipeline’s side

Fig.3 Simulation of coupling of the magnetic field and fluid field inside the micro-pipeline

Fig.4 Sketch of the experiment

Fig.5 Curve of the cylinders’ plunger poles’ speed

Fig.6 Curve of the MRF’s speed through the micro-pipeline

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