Flow properties of magnetorheological (MR) fluids are greatly altered by the application of a magnetic field. The design, optimization, and control of novel devices that exploit MR fluid behavior in multidegree of freedom applications require three dimensional models characterizing the coupling of magnetic behavior to mechanical behavior in MR fluids. The authors have derived 3D MR fluid models based on multiscale kinetic theory. The underlying bases of the models are summarized, with phenomenological empiricism distinguished from multiscale first principles, and the models’ ability to capture the experimentally measured mechanical response of a MR fluid-based damper to specified magnetic fields is assessed. The results of this comparison are that the kinetic theory-based models both relate macroscale MR fluid behavior to a first-principles description of magnetomechanical coupling at the microscale and possess the flexibility to best match the measured behavior of a particular MR fluid device observed in our experiments.
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December 2008
Research Papers
Experiments and Models of the Magneto Rheological Behavior of High Weight Percent Suspensions of Carbonyl Iron Particles in Silicone Oil
Farzad Ahmadkhanlou,
Farzad Ahmadkhanlou
Department of Mechanical Engineering,
The Ohio State University
, Columbus, OH 43210
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Monon Mahboob,
Monon Mahboob
Department of Mechanical Engineering,
The Ohio State University
, Columbus, OH 43210
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Stephen Bechtel,
Stephen Bechtel
Department of Mechanical Engineering,
The Ohio State University
, Columbus, OH 43210
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Gregory Washington
Gregory Washington
Department of Mechanical Engineering,
The Ohio State University
, Columbus, OH 43210
Search for other works by this author on:
Farzad Ahmadkhanlou
Department of Mechanical Engineering,
The Ohio State University
, Columbus, OH 43210
Monon Mahboob
Department of Mechanical Engineering,
The Ohio State University
, Columbus, OH 43210
Stephen Bechtel
Department of Mechanical Engineering,
The Ohio State University
, Columbus, OH 43210
Gregory Washington
Department of Mechanical Engineering,
The Ohio State University
, Columbus, OH 43210J. Fluids Eng. Dec 2008, 130(12): 121301 (7 pages)
Published Online: October 24, 2008
Article history
Received:
September 6, 2007
Revised:
July 24, 2008
Published:
October 24, 2008
Citation
Ahmadkhanlou, F., Mahboob, M., Bechtel, S., and Washington, G. (October 24, 2008). "Experiments and Models of the Magneto Rheological Behavior of High Weight Percent Suspensions of Carbonyl Iron Particles in Silicone Oil." ASME. J. Fluids Eng. December 2008; 130(12): 121301. https://doi.org/10.1115/1.2979001
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