<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>If magnetorheological (MR) fluids are stored in porous materials, when excited by the external magnetic field, MR fluid will be drawn out and produce MR effect, which could be used to solve the following problems of the MR damper, such as the seal, volume and the cost of MR fluid damper. In this paper, the effect of structure of metal foams on the performance of MR fluid is investigated; the relationship between the penetrability and the porosity of the metal foams is measured, the change of MR fluid performance flowing though the metal foams is obtained. It shows that, after flowing through metal foams, the change of performance of MR fluid is about 2.5%. Compared to the sponge, the porous metal foams have the obvious advantages in high porosity and rigidity, which provide a convenient and low-cost way to design the MR damper.</p></abstract>

If magnetorheological (MR) fluids are stored in porous materials, when excited by the external magnetic field, MR fluid will be drawn out and produce MR effect, which could be used to solve the following problems of the MR damper, such as the seal, volume and the cost of MR fluid damper. In this paper, the effect of structure of metal foams on the performance of MR fluid is investigated; the relationship between the penetrability and the porosity of the metal foams is measured, the change of MR fluid performance flowing though the metal foams is obtained. It shows that, after flowing through metal foams, the change of performance of MR fluid is about 2.5%. Compared to the sponge, the porous metal foams have the obvious advantages in high porosity and rigidity, which provide a convenient and low-cost way to design the MR damper.

Performance of Magnetorheological Fluids Flowing Through Metal Foams

School of Mechanical Engineering, Shanghai institute of Technology, 201418, Shanghai, China

College of Optoelectronic Engineering, Chongqing University, 400044, Chongqing, China

Measurement Science Review

{"article-title":"Performance of Magnetorheological Fluids Flowing Through Metal Foams"}

If magnetorheological (MR) fluids are stored in porous materials, when excited by the external magnetic field, MR fluid will be drawn out and produce MR...

Performance of Magnetorheological Fluids Flowing Through Metal Foams

Published Online: Oct 29, 2011

Page range: 144 - 148

DOI: https://doi.org/10.2478/v10048-011-0028-8

Keywords
Metal foams, penetrability, porosity, MR fluid

This content is open access.

Performance of Magnetorheological Fluids Flowing Through Metal Foams

Published Online: Oct 29, 2011

Page range: 144 - 148

DOI: https://doi.org/10.2478/v10048-011-0028-8

KeywordsMetal foams, penetrability, porosity, MR fluid

This content is open access.

Keywords
Metal foams, penetrability, porosity, MR fluid