MIXED CONVECTION PHENOMINA AFFECTED BY RADIATION IN A HORIZONTAL RECTANGULAR DUCT WITH COCENTRIC AND ECCENTRIC CIRCULAR CORE. jcoeng [Internet]. 2011 Jan. 1 [cited 2024 May 20];17(01):27-45. Available from: https://joe.uobaghdad.edu.iq/index.php/main/article/view/2886