期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 293, 期 1, 页码 206-214出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2005.01.061
关键词
magnetorheological fluids; nanoparticles; cobalt; Bingham-plastic model; Herschel-Bulkley model; genetic algorithms; rheology
The rheological flow curves (shear stress vs. shear rate) of a nanoparticle cobalt-based magnetorheological fluid can be modeled using Bingham-plastic and Herschel-Bulkley constitutive models. Steady-state rheological flow curves were measured using a parallel disk rheometer for constant shear rates as a function of applied magnetic field. Genetic algorithms were used to identify constitutive model parameters from the flow curve data. (c) 2005 Elsevier B.V. All rights reserved.
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