Hoonpong P, Promthaisong P, Skullong S. Experimental study of thermal performance in a tubular heat exchanger using inclined perforated vortex rings. J. Res. Appl. Mech. Eng. [internet]. 2020 Nov. 10 [cited 2026 Feb. 21];8(2):148-57. available from: https://ph01.tci-thaijo.org/index.php/jrame/article/view/240333