The focus of this paper is on the experimental validation of a mathematical model that was developed for the flow of magnetorheological (MR) fluids through the annular gap in a MR damper. Unlike previous work by other researchers, which approximate the flow of the MR fluid through this annulus as a flow of fluid through two infinitely wide parallel plates, the model presented represents accurately the annular flow. In this paper, the mathematical model is validated via experimental testing and analysis of a double-tube MR damper fabricated at the University of Manchester, UK. The experimental setup and the procedures for executing the tests on the MR damper according to established standards for the testing of conventional automotive dampers are given. This involved sets of many isofrequency sinusoidal tests of various displacement amplitudes. Predictions from theoretical simulations based on the mathematical model are validated using the data collected from the experiments. It was found that the modeling procedure represents the MR damper very satisfactorily.
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e-mail: s.o.oyadiji@manchester.ac.uk
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December 2009
Research Papers
Experimental Testing and Validation of a Magnetorheological (MR) Damper Model
Weng Wai Chooi,
Weng Wai Chooi
Dynamics and Aeroelasticity Research Group, School of Mechanical, Aerospace and Civil Engineering,
University of Manchester
, Manchester M60 1QD, UK
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S. Olutunde Oyadiji
S. Olutunde Oyadiji
Dynamics and Aeroelasticity Research Group, School of Mechanical, Aerospace and Civil Engineering,
e-mail: s.o.oyadiji@manchester.ac.uk
University of Manchester
, Manchester M60 1QD, UK
Search for other works by this author on:
Weng Wai Chooi
Dynamics and Aeroelasticity Research Group, School of Mechanical, Aerospace and Civil Engineering,
University of Manchester
, Manchester M60 1QD, UK
S. Olutunde Oyadiji
Dynamics and Aeroelasticity Research Group, School of Mechanical, Aerospace and Civil Engineering,
University of Manchester
, Manchester M60 1QD, UKe-mail: s.o.oyadiji@manchester.ac.uk
J. Vib. Acoust. Dec 2009, 131(6): 061003 (10 pages)
Published Online: October 27, 2009
Article history
Received:
January 12, 2008
Revised:
January 26, 2009
Published:
October 27, 2009
Citation
Chooi, W. W., and Oyadiji, S. O. (October 27, 2009). "Experimental Testing and Validation of a Magnetorheological (MR) Damper Model." ASME. J. Vib. Acoust. December 2009; 131(6): 061003. https://doi.org/10.1115/1.3142885
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