Najeeb Shehab, Saad. “INVESTIGATION THE EFFECT OF ASPECT RATIO ON THE FREE HEAT CONVECTIVE INSIDE A HORIZONTAL HEATED TUBE”. Journal of Engineering and Sustainable Development 21, no. 3 (May 1, 2017): 119–135. Accessed March 17, 2025. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/539.