In pure metals solidification is controlled by the rate at which the latent heat of solidification can be conducted away from the solid/liquid interface. Which among the following equation satisfies the heat flow and the interface stability? (Kl, Ks are respective thermal conductivities of liquids and solids, L the latent heat of fusion per unit volume, v growth rate).

In pure metals solidification is controlled by the rate at which the l

1.	In pure metals solidification is controlled by the rate at which the latent heat of solidification can be conducted away from the solid/liquid interface. Which among the following equation satisfies the heat flow and the interface stability? (Kl, Ks are respective thermal conductivities of liquids and solids, L the latent heat of fusion per unit volume, v growth rate).
A.	KsTs = KlTl /(vL)
B.	KsTs = KlTl vL
C.	KsTs = Kl/(Tl +v*L)
D.	KsTs = KlTl +vL
Answer» E.

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