Experimental study on heat transfer characteristics of horizontal concentric tube using twisted wire brush inserts. International Journal of Current Engineering and Technology, [S. l.], v. 1, n. 4.Special, p. 27–32, 2016. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/4160. Acesso em: 26 apr. 2026.