Hoshi, H. A., Ahmed, I. S., & Abdulmunem, A. R. (2018). Effect of Using Combined Square Nozzle & winglet with Helical Tape on Thermal Characteristics in Tube Heat Exchanger. Al-Khwarizmi Engineering Journal, 14(4), 64-71. https://doi.org/10.22153/kej.2018.05.004