TY - JOUR T1 - Verification and validation in CFD for a free-surface gas-liquid flow in channels JO - Brazilian Journal of Chemical Engineering A1 - Soares, C. A1 - Noriler, D. A1 - Wolf Maciel, M. R. A1 - Barros, A. A. C. A1 - Meier, H. F. SN - 0104-6632 UL - 10.1590/S0104-66322013000200010 VL - 30 Y1 - 2013 PB - Brasil ER -