@article{soares_noriler_wolf maciel_barros_meier_2013,  title={Verification and validation in CFD for a free-surface gas-liquid flow in channels},  volume={30},  ISSN={0104-6632},  url={https://doi.org/10.1590/S0104-66322013000200010},  DOI={10.1590/S0104-66322013000200010},  number={2},  journal={Brazilian Journal of Chemical Engineering},  publisher={Brazilian Society of Chemical Engineering},  author={Soares, C. and Noriler, D. and Wolf Maciel, M. R. and Barros, A. A. C. and Meier, H. F.},  year={2013},  month={Apr},  pages={323–325} }