Hoshi, Hisham, Israa Ahmed, and Abdulmunem Abdulmunem. 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.