Heat transfer characteristics of magnetite under microwave irradiation
A simplified finite-difference time-domain (FDTD) algorithm for modeling microwave propagation in magnetic dielectric materials was developed and employed to study the microwave dissipation in magnetite. Heat transfer during microwave heating of magnetite was subsequently investigated by solving heat transfer differential equation using explicit finite-difference (EFD) method. It is observed that temperature of magnetite surface increases rapidly in the first minute due to the rapid strength decays in both electric and magnetic fields within a short distance along the path of microwave dissipation. A temperature peak, initially formed at the surface of the sample slab, migrates inward as heating time extends and microwave power increases.
TMS Annual Meeting
Heat transfer characteristics of magnetite under microwave irradiation.
TMS Annual Meeting, 121-128.
Retrieved from: https://digitalcommons.mtu.edu/michigantech-p/3397