Salman DYK, Mohammed HA. The Effect of Restriction Shape On Laminar Natural Convection Heat Transfer In A Vertical Circular Tube. alkej [Internet]. 2017 Dec. 27 [cited 2026 Jul. 10];1(1):83-100. Available from: https://www.alkej.uobaghdad.edu.iq/index.php/alkej/article/view/24