Experimental Investigation of the Effect of Curvature Ratio on Heat Transfer in Double Pipe Helical Heat Exchanger. Al-Khwarizmi Engineering Journal, [S. l.], v. 14, n. 1, p. 10–18, 2018. DOI: 10.22153/kej.2018.08.001. Disponível em: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/110.. Acesso em: 11 dec. 2024.