FEM thermal analysis of magnetic fluid heating power

Abstract

In this paper we will present analysis of magnetic fluid heating power. For this purpose we will first determine the specific heating power (SHP) of the magnetic fluid sample when exposed to ac magnetic field of known frequency and amplitude using commercial FEM program. These results will be used in the same FEM model for thermal analysis where results of calculated temperature increase in the sample will be compared with actual measurements. This method will allow determination of temperature increase only from permeability measurement.