Experimental Study of Free Convection in Coiled Tube Heat Exchanger with Vertical Orientation. Tikrit Journal of Engineering Sciences, [S. l.], v. 18, n. 4, p. 80–87, 2011. DOI: 10.25130/tjes.18.4.09. Disponível em: https://tj-es.com/ojs/index.php/tjes/article/view/527.. Acesso em: 10 sep. 2026.