The Porosity Effect of Stainless Steel Balls on Forced Convection Pipe Flow. Al-Nahrain Journal for Engineering Sciences, [S. l.], v. 22, n. 2, p. 102–108, 2019. DOI: 10.29194/NJES.22020102. Disponível em: https://nahje.com/nahje/article/view/493. Acesso em: 27 apr. 2026.