Another factor that makes the material selection an important step is the thermalproperties of the materials. Due to the temperature dependent permeability values ofthe ferromagnetic materials and the MR fluid viscosity, heat generated in the actuatorshould be removed as quickly as possible. In order to understand the heat flow,Eq. (3.8) below which is the law of conduction, Fourier’s Law, is briefly considered.This equation is a constitutive equation that depends on the thermal conductivity
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