$22.$ Consider a mini channel with a gas$-$liquid flow where the mixture's mass flow rate is $0\mathrm{.}06$ kg$/$s$,$ with a $75\%-25\%$ mass split between the gas and liquid phases, respectively. Calculate the gas and liquid phase velocities, then estimate the void fraction.

$23.$ A three$-$phase flow in a column involves gas, solid, and liquid phases with volume fractions of $0\mathrm{.}2,0\mathrm{.}3,$ and $0\mathrm{.}5,$ respectively. Given that the column diameter is $0\mathrm{.}3$ m$,$ calculate the volumetric flow rate of each phase.