Q. Saleh Mahdi, S. . Abdul Fattah, and F. Juma Abd, “Experimental and Numerical Investigation to Evaluate the Performance of Helical Coiled Tube Heat Exchanger”, J. eng. sustain. dev., vol. 18, no. 4, pp. 89–110, Jul. 2014, Accessed: Jul. 05, 2025. [Online]. Available: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/834