Question: Using approximate average values for liquids, show that (delta_{text {mass }}=D / mathrm{k}) is normally smaller than the thermal boundary layer, (delta_{text {thermal }}=mathrm{k}_{text {conductivity

Using approximate average values for liquids, show that $\delta_{\text {mass }}=D / \mathrm{k}$ is normally smaller than the thermal boundary layer, $\delta_{\text {thermal }}=\mathrm{k}_{\text {conductivity }} / \mathrm{h}$, for crystals growing in the melt of an SSCC.

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