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D elay time of magnetorheological fluids in porous foam metal

XINGYAN YAO1,2,* , ZHIQIANG CHEN1,2, HUAFENG QIN1,2, QIBING YU1,2, CHUAN LI2

Affiliation

  1. Research Center of System Health Maintenance, Chongqing Technology and Business University, Chongqing 400067, China
  2. Chongqing Engineering Laboratory for Detection Control and Integrated System , Chongqing Technology and Business University, Chongqing 400067, China

Abstract

Magnetorheological (MR) dampers can be controlled effectively by magnetic field s . Under the external ma gnetic field s , MR fluid behaves as a non Newtonian fluid with controllable viscosity. The response time is a critical factors to determine its performance. A new MR damper by using foam metal to store MR fluids is proposed . H owever, the response time is a little different with the traditional ones for the time to extract the MR fluid from metal foam. Therefore, in this paper, t he delay time , MR fluid was drawn out from the porous metal foam, was investigated in terms of the internal structure formation by a precise control of external magnetic fields..

Keywords

Ma gnetorheological fluid (MR fluid), P orous foam metal, D elay time, M agnetorheological fluid damper.

Citation

XINGYAN YAO, ZHIQIANG CHEN, HUAFENG QIN, QIBING YU, CHUAN LI, D elay time of magnetorheological fluids in porous foam metal, Optoelectronics and Advanced Materials - Rapid Communications, 10, 3-4, March-April 2016, pp.253-256 (2016).

Submitted at: Oct. 16, 2013

Accepted at: April 5, 2016