Vijayaragavan B, Asok SP, Shakthi Ganesh CR. Heat transfer characteristics of double pipe heat exchanger having externally enhanced inner pipe. Acta Polytech [Internet]. 2023 Mar. 2 [cited 2024 Apr. 20];63(1):65-74. Available from: https://ojs.cvut.cz/ojs/index.php/ap/article/view/8331