Specific heat of magnetic fluids under a modulated magnetic field
Journal
Journal of Applied Physics
Journal Volume
93
Journal Issue
4
Pages
2079-2081
Date Issued
2003
Author(s)
Abstract
Due to the increasing importance of thermal devices in engineering applications, the investigation of the thermal properties of magnetic fluids has become necessary. In this work, we report both the temperature and field dependence of the specific heat of a water-based magnetic fluid. The results show that the specific heat of the magnetic fluid is almost independent of temperature under lower-field strengths (<50 Oe), but decreases significantly upon increasing temperature under higher fields. To clarify this effect of the magnetic field on the specific heat capacity of the magnetic fluid, the evolution of the structure of the magnetic fluid film is examined and compared with its field-modulated heat capacity of the fluid.
SDGs
Type
journal article