In planning continuous casting, we use fluid flow analysis. Consider the illustrated configuration of the

equipment, which includes in$-$line vacuum degassing.

a$)$ Determine the tundish and degasser nozzle size which are necessary to operate the system at a rate of $6\mathrm{.}3k\frac{g}{s}$

per strand. Assume that for operational reasons it is desirable to have bath depths of $0\mathrm{.}76$ and $1\mathrm{.}83$ m $,$ in the

tundish and degasser respectively.

b$)$ If only $13$ mm diameter degasser nozzles are available, how would their use affect the casting operation?