Ferrofluids are industrially prepared fluids which consist of highly concentrated, stable colloidal suspensions of fine magnetic particles in a suitable fluid carrier (water, kerosine, diester, etc.). these are, essentially, nonconducting substances which globally present a temperature–dependent magnetization at a constant applied magnetic fields. they exhibit a nonlinear magnetic behavior, with a saturation effect, for sufficiently strong applied magnetic fields.
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Notes
Medvedev and Krakov [1983] and Zimmels [1983].
Jenkins [1972] has derived (12.2.16) by using a different thermodynamical approach. The present derivation follows Maugin [1978c], see also [1974c] for relativistic spinning fluids.
See Maugin [1978i] and Maugin and Drouot [1983].
We follow Brancher [1980a].
Equation (12.5.10) was first derived by Neuringer and Rosenweig [1964] by means of a classical thermodynamical approach different from the one given here. For some early discussions of ferrofluids, see Rosensweig [1966], [1970].
Compare (12.6.4) and (11.5.2).
Compare (12.6.9) and (11.5.6).
Neuringer and Rosenweig [1964].
Neuringer and Rosenweig (1964).
See Resler and Neuringer [1964].
Neuringer and Rosensweig [1964].
See Whittaker and Watson [1946, p. 373].
Neuringer [1966].
Neuringer [1966].
See Eringen [1980, p. 276].
This can also be derived in ferrofluids by accounting for density gradients in the constitutive theory (see Maugin [1978i]).
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© 1990 Springer-Verlag New York Inc.
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Eringen, A.C., Maugin, G.A. (1990). Ferrofluids. In: Electrodynamics of Continua II. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-3236-0_4
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