Q. J. M. Slaiman and A. N. Znad, “Enhancement of Heat Transfer in The Tube-Sid of A Double Pipe Heat Exchanger by Wire Coils”, NUCEJ, vol. 16, no. 1, pp. 51–57, Jun. 2017, Accessed: Dec. 23, 2024. [Online]. Available: https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/237