@article{corrêa_graminho_silva_nebra_2004,  title={The cyclonic dryer: a numerical and experimental analysis of the influence of geometry on average particle residence time},  volume={21},  ISSN={0104-6632},  url={https://doi.org/10.1590/S0104-66322004000100011},  DOI={10.1590/S0104-66322004000100011},  number={1},  journal={Brazilian Journal of Chemical Engineering},  publisher={Brazilian Society of Chemical Engineering},  author={Corrêa, J. L. G. and Graminho, D. R. and Silva, M. A. and Nebra, S. A.},  year={2004},  month={Jan},  pages={103–112} }