Hoonpong, P. ., Promthaisong, P. ., & Skullong, S. (2020). Experimental study of thermal performance in a tubular heat exchanger using inclined perforated vortex rings. Journal of Research and Applications in Mechanical Engineering, 8(2), 148–157. Retrieved from https://ph01.tci-thaijo.org/index.php/jrame/article/view/240333