Numerical study of thermally stratified nanofluid flow in a saturated non-Darcy porous mediumCh. RamReddy, P. V. S. N. Murthy, A. M. Rashad and A. J. ChamkhaEur. Phys. J. Plus, 129 2 (2014) 25DOI: https://doi.org/10.1140/epjp/i2014-14025-3