Foam void fraction In the perfectly dispersed regime, assuming a no-slip velocity between the two phases, the void fraction a is determined from the input liquid and gas volumetric flow-rates, respectively Qliquid and Qgas, as follows:
Foam void fractionIn the perfectly dispersed regime, assuming a no-slip velocitybetween the two phases, the void fraction a is determined fromthe input liquid and gas volumetric flow-rates, respectively Qliquidand Qgas, as follows: