CFD ANYSIS OF A DOUBLE PIPE HEAT EXCHANGER USING NANOFLUID. International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 5, n. 2, p. 1125–1130, 2018. Disponível em: https://ijaerd.org/index.php/IJAERD/article/view/2554. Acesso em: 6 sep. 2025.