抄録
In the melting process of ice particle bed in an ice thermal storage tank, water channel is formed due to the local melting of ice particles. Water channel causes some problems such as the decrease of heat transfer performance. In this study, the generating process of water channel was investigated. In experiment and simulation, ice particle bed was melted intentionally by using a line heat source, and water channel was generated in it. As a result, it was found that the melting front becomes longer in the vertical direction as the flow velocity of water increases and the permeability in the ice particle bed decreases. Additionally, the effects of bubble, screen and hole in the ice particle bed, on the shape of melting front were investigated.
