Estimation of the Effective Permeability in Magnetorheological Fluids
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چکیده
منابع مشابه
Estimation of the Eeective Permeability in Magnetorheological Fluids
Magnetorheological (MR) uids constitute examples of controllable (\smart") u-ids, whose rheological properties vary in response to an applied magnetic eld. These uids typically consist of micron-sized, magnetizable particles dispersed in a non-permeable carrier uid. The essential characteristic of MR uids is that they may be continuously and reversibly varied from a state of free owing liquids ...
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We report a new kind of field-responsive fluid consisting of suspensions of diamagnetic (DM) and ferromagnetic (FM) microparticles in ferrofluids. We designate them as inverse magnetorheological (IMR) fluids for analogy with inverse ferrofluids (IFFs). Observations on the particle self-assembly in IMR fluids upon magnetic field application showed that DM and FM microparticles were assembled int...
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Composition, synthesis and structural properties of ferrofluids and magnetorheological fluids are reviewed and compared. The similarities and main differences between the two types of magnetically controllable fluids are outlined and exemplified in the paper. Chemical synthesis and structural characterization of magnetizable fluids for engineering and biomedical applications are thoroughly disc...
متن کاملSimulations of Particle Dynamics in Magnetorheological Fluids
We present particle dynamics simulations for the response of magnetorheological (MR) uids upon application of a magnetic eld. The particles motion is considered to be governed by magnetic, hydrodynamic and repulsive interactions. Fluid-particle interactions are accounted for via Stokes' drag while inter-particle repulsions are modeled through approximate hard-sphere rejections. In accordance wi...
متن کاملProperties and Applications of Commercial Magnetorheological Fluids
The rheological and magnetic properties of several commercial magnetorheological (MR) fluids are presented and discussed. These fluids are compared using appropriate figures of merit based on conventional design paradigms. Some contemporary applications of MR fluids are discussed. These applications illustrate how various material properties may be balanced to provide optimal performance.
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ژورنال
عنوان ژورنال: Journal of Intelligent Material Systems and Structures
سال: 1999
ISSN: 1045-389X,1530-8138
DOI: 10.1106/6kw6-7v12-nrq3-bw6v