1. Vertical gas-liquid flow problems;Ellis,1965
2. Radial non-uniformity of velocity and voidage in a bubble column;Hills;Transactions of the Institution of Chemical Engineers,1974
3. The operation of a bubble column at high throughputs—I. Gas holdup measurements;Hills;The Chemical Engineering Journal,1976
4. Effect of diameter and geometry on two-phase flow regimes and carry-over in a model PWR hot leg;Hashemi,1986
5. One-dimensional drift-flux model and constitutive equations for relative motion between phases in various two-phase flow regimes;Ishii;ANL-77-47,1977