Saleh Mahdi Q, Abdul Fattah S, Juma Abd F. Experimental and Numerical Investigation to Evaluate the Performance of Helical Coiled Tube Heat Exchanger. J. eng. sustain. dev. [Internet]. 2014 Jul. 1 [cited 2025 Apr. 20];18(4):89-110. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/834