Squeezing Force of the Magnetorheological Fluid Isolating Damper for Centrifugal Fan in Nuclear Power Plant | Zendy

Jie Huang | Zendy; Ping Wang | Zendy; Wang Guo-chao | Zendy

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Squeezing Force of the Magnetorheological Fluid Isolating Damper for Centrifugal Fan in Nuclear Power Plant

Author(s) -

Jie Huang,

Ping Wang,

Wang Guo-chao

Publication year - 2012

Publication title -

science and technology of nuclear installations

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.417

H-Index - 24

eISSN - 1687-6083

pISSN - 1687-6075

DOI - 10.1155/2012/175703

Subject(s) - magnetorheological fluid , damper , engineering , mechanics , magnetic field , centrifugal force , flow (mathematics) , fluid dynamics , power (physics) , rotational symmetry , structural engineering , mechanical engineering , physics , quantum mechanics

Magnetorheological (MR) disk-type isolating dampers are the semi-active control devices that use MR fluids to produce controllable squeezing force. In this paper, the analytical endeavor into the fluid dynamic modeling of an MR isolating damper is reported. The velocity and pressure distribution of an MR fluid operating in an axisymmetric squeeze model are analytically solved using a biviscosity constitutive model. Analytical solutions for the flow behavior of MR fluid flowing through the parallel channel are obtained. The equation for the squeezing force is derived to provide the theoretical foundation for the design of the isolating damper. The result shows that with the increase of the applied magnetic field strength, the squeezing force is increased

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