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Design of a novel magnetorheological squeeze film damper

Design of a novel magnetorheological squeeze film damper
Design of a novel magnetorheological squeeze film damper
Magneto-rheological (MR) fluids react to magnetic fields undergoing changes in their mechanical characteristics, viscosity in particular. After an analytical and numerical study, an MR squeeze-film damper has been designed and set up on a reduced scale rotor test-rig. Numerical simulations were carried out in order to evaluate the dynamic behaviour of the damped rotor as a function of the current supplied to the adjustable device. A linear model that depicts the main characteristics of the system has been developed as a useful tool in damper and control design. By testing different fluids, an optimal fluid has been singled out. Tests conducted on the selected fluid show that it is possible to have the optimum conditions for each steady rotational speed.
164-170
Carmignani, C.
95068485-77f0-4a89-912b-98b1fd7a8cd1
Forte, P.
69353995-233d-47d6-b2b3-51a7516daaa3
Rustighi, E.
9544ced4-5057-4491-a45c-643873dfed96
Carmignani, C.
95068485-77f0-4a89-912b-98b1fd7a8cd1
Forte, P.
69353995-233d-47d6-b2b3-51a7516daaa3
Rustighi, E.
9544ced4-5057-4491-a45c-643873dfed96

Carmignani, C., Forte, P. and Rustighi, E. (2006) Design of a novel magnetorheological squeeze film damper. Smart Materials and Structures, 15 (1), 164-170. (doi:10.1088/0964-1726/15/1/045).

Record type: Article

Abstract

Magneto-rheological (MR) fluids react to magnetic fields undergoing changes in their mechanical characteristics, viscosity in particular. After an analytical and numerical study, an MR squeeze-film damper has been designed and set up on a reduced scale rotor test-rig. Numerical simulations were carried out in order to evaluate the dynamic behaviour of the damped rotor as a function of the current supplied to the adjustable device. A linear model that depicts the main characteristics of the system has been developed as a useful tool in damper and control design. By testing different fluids, an optimal fluid has been singled out. Tests conducted on the selected fluid show that it is possible to have the optimum conditions for each steady rotational speed.

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Published date: 2006

Identifiers

Local EPrints ID: 28439
URI: https://eprints.soton.ac.uk/id/eprint/28439
PURE UUID: 8102e149-97c8-487e-adcc-f2b2c4547f34
ORCID for E. Rustighi: ORCID iD orcid.org/0000-0001-9871-7795

Catalogue record

Date deposited: 03 May 2006
Last modified: 06 Jun 2018 12:43

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Contributors

Author: C. Carmignani
Author: P. Forte
Author: E. Rustighi ORCID iD

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