EXPERIMENTAL AND NUMERICAL STUDY OF INSERTING AN INTERNAL HOLLOW CORE TO FINNED HELICAL COIL TUBE-SHELL HEAT EXCHANGER. Journal of Engineering and Sustainable Development, [S. l.], v. 25, n. 1, p. 1–14, 2021. DOI: 10.31272/jeasd.25.1.1. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/71.. Acesso em: 2 may. 2024.