Mashan AK, Abed WM, Ahmed MA. Numerical Investigation of Hydraulic-Thermal Performance for a Double-Pipe Heat Exchanger Equipped with 45°-Helical Ribs. AJES [Internet]. 2021 Nov. 15 [cited 2025 Jul. 19];12(2):193-202. Available from: https://ajes.journalpath.com/index.php/ajes/article/view/540