Melting of a solid Phase in Low-Speed Flow with Double Effects of Temperature and Concentration

Abstract

Effects of Stephen number, Lewis number and buoyancy ratio on the melting of a solid in a two-dimensional channel are investigated by dimensionless numerical analysis. Specifically, the temperature distributions, the solvent concentration distributions, the velocity vectors and the time to complete melting are examined in this paper. Decrease ice temperature become small in the case of higher Lewis number and Stephen number. Solvent concentration near the solid become low in the case of higher Lewis number, however solvent concentration near the solid become high in the case of higher Stephen number. Roughly feature of velocity vectors is common in all cases, however upward flow become strong in the case of higher buoyancy ratio. Melting rate become small in the case of higher Lewis number, however melting rate become large in the case of higher Stephen number.