Heat transfer analysis of nanofluid flow through backward facing stepAhlem Boudiaf, Fetta Danane, Youb Khaled Benkahla, Walid Berabou, Mahdi Benzema and Seif-Eddine OuyahiaMATEC Web Conf., 307 (2020) 01010DOI: https://doi.org/10.1051/matecconf/202030701010