Fabrication of Shell and Tube Heat Exchanger using Helical Baffles based on Kern’s Principle. International Journal of Current Engineering and Technology, [S. l.], v. 7, n. 3, p. 821–826, 2017. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/2220. Acesso em: 13 mar. 2026.