先进材料疑固实验室 Laboratory of Advanced Materials Solidification Sand mold heat exchange During the solidification,heat source is latent heat of the liquid 0s qx=0=-LPs at Where L is latent heat,ps is the surface density,S is the thickness of the solidification part.Then =后 Experience equation: M=CVt Chovorinov Equation For sand:C constant:0.07~0.1 cm/s1/2 上浒充通大学 SHANGHAI JIAO TONG UNIVERSITYDuring the solidification, heat source is latent heat of the liquid Where L is latent heat, ρs is the surface density, S is the thickness of the solidification part. Then Experience equation: Chovorinov Equation For sand: C constant: 0.07~0.1 cm/s1/2 Sand mold heat exchange