VAGHEFI, M.; AKBARI, M. <b>Experimental investigation on streamlines in a 180º sharp bend. Acta Scientiarum. Technology, [S. l.], v. 39, n. 4, p. 425–432, 2017. DOI: 10.4025/actascitechnol.v39i4.29032. Disponível em: https://periodicos.uem.br/actascitechnol/index.php/ActaSciTechnol/article/view/29032. Acesso em: 19 nov. 2025.