DEVELOPING LAMINAR MIXED CONVECTION HEAT TRANSFER THROUGH VERTICAL CONCENTRIC ANNULI WITH ADIABATIC INNER CYLINDER. jcoeng [Internet]. 2011 Oct. 1 [cited 2024 May 21];17(05):1289-307. Available from: https://joe.uobaghdad.edu.iq/index.php/main/article/view/2995