Numerical Study of a Shell and Tubes Heat Exchanger: Impact of the Geometrical Change of the Tube Section on the Overall Exchange Coefficient and the Pressure Drop. The Eurasia Proceedings of Science, Technology, Engineering and Mathematics, [S. l.], v. 21, p. 517–524, 2022. DOI: 10.55549/epstem.1227582. Disponível em: https://www.epstem.net/index.php/epstem/article/view/576. Acesso em: 20 jan. 2026.