Magnetic Soret effect: Application of the ferrofluid dynamics theory
Adrian Lange
TL;DR
This paper applies ferrofluid dynamics theory to magnetic fluids under magnetic fields, deriving analytical expressions for chemical potential and mass flux, and uses these to determine Soret coefficients and estimate an unknown transport coefficient.
Contribution
It introduces a comprehensive analytical framework for thermodiffusive behavior in magnetic fluids, linking theory with experimental data.
Findings
Determined Soret coefficients consistent with measurements.
Provided an estimate for a previously unknown transport coefficient.
Validated the ferrofluid dynamics theory for thermodiffusive problems.
Abstract
The ferrofluid dynamics theory is applied to thermodiffusive problems in magnetic fluids in the presence of magnetic fields. The analytical form for the magnetic part of the chemical potential and the most general expression of the mass flux are given. By employing these results to experiments, global Soret coefficients in agreement with measurements are determined. Also an estimate for a hitherto unknown transport coefficient is made.
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