Investigation of Heat Transfer on Smooth and Enhanced Tube in Heat Exchanger. International Journal of Current Engineering and Technology, [S. l.], v. 5, n. 3, p. 2092–2098, 2015. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/2353. Acesso em: 4 apr. 2026.