Experiment on the Forced Convection and Friction Factor of Nanofluid in Downward Flow in Slope Pipes. International Journal of Mechanical Engineering Research and Technology , [S. l.], v. 5, n. 1, p. 22–37, 2013. Disponível em: https://ijmert.com/index.php/ijmert/article/view/4. Acesso em: 13 oct. 2026.