Effect of Using Combined Square Nozzle & winglet with Helical Tape on Thermal Characteristics in Tube Heat Exchanger. Al-Khwarizmi Engineering Journal, [S. l.], v. 14, n. 4, p. 64–71, 2018. DOI: 10.22153/kej.2018.05.004. Disponível em: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/59.. Acesso em: 2 may. 2024.