Situation 3:No diffusion in the solid,Limited 先进材料疑固实验室diffusion in the liquid,no convection.. Laboratory of Advanced Materials Solidification The solute expelled from solid: (Co-C)ax' And the solute increased in liquid f(c-conax Then c-cds'-c Substitute C=C[1-(1-k)e-ae c=c0+'.) (in liquid,steady state as boundary condition) in to above equation 熟 上浒充通大 SHANGHAI JIAO TONG UNIVERSITYThe solute expelled from solid: And the solute increased in liquid Then Substitute in to above equation Situation 3: No diffusion in the solid, Limited diffusion in the liquid, no convection. (in liquid, steady state as boundary condition)