INTERACTION EFFECTS OF HYDRODYNAMICALLY FULLY DEVELOPED PRIMARY FLOW AND SECONDARY FLOW IN THE THERMAL ENTRANCE REGION OF ANNULAR DUCT. jcoeng [Internet]. 2011 Oct. 1 [cited 2024 Nov. 21];17(05):1324-3. Available from: https://joe.uobaghdad.edu.iq/index.php/main/article/view/3004