A Mathematical Model for Thermo-Hydraulic Design of Shell and Tube Heat Exchanger Using a Step By Step Technique. J. eng. sustain. dev. 2006;10(4):12-35. تاريخ الوصول مايو 17, 2024. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1769