Abstract
We studied a melting phenomenon of a paraffin plate and a flow into a hole in an acryl block during a model rilling groove process. Changes of temperature and geometry of the paraffin plate were experimentally measured for three heating methods: heating the bottom surface of the acryl block with a hotplate, heating the top surface of the paraffin plate with a dryer, and heating the center of the paraffin plate with a halogen lamp. Changes of temperature and melting region were calculated using an enthalpy method. Flow of liquid paraffin plate was calculated using a particle method.