SIMULATION OF LAMINAR FORCED CONVECTION HEAT TRANSFER AND FLUID FLOW OVER A BACKWARD FACING STEP WITH OBSTACLE USING (SIO ) NANOPARTICLES. University of Thi-Qar Journal for Engineering Sciences, [S. l.], v. 6, n. 2, p. 80–92, 2015. DOI: 10.31663/utjes.v6i2.79. Disponível em: http://jeng.utq.edu.iq/index.php/main/article/view/79.. Acesso em: 4 may. 2024.