Hussein Alwan I. Investigation to increase the hot water supply from an evacuated solar collector   with the presence of a tank containing Aluminium tubes numerically. WJES [Internet]. 2024 Dec. 1 [cited 2026 Apr. 14];12(4):64-77. Available from: https://ejuow.uowasit.edu.iq/index.php/ejuow/article/view/575