Al – Abbasi, Sajid Hussein Ali. “CFD ANALYSIS OF ENHANCEMENT OF TURBULENT FLOW HEAT TRANSFER IN A HORIZONTAL CIRCULAR TUBE WITH DIFFERENT INSERTS”. European Scientific Journal, ESJ 10, no. 15 (May 30, 2014). Accessed May 20, 2022. https://eujournal.org/index.php/esj/article/view/3468.