Bagoutdinova Alfiya Gizzetdinovna. “Engineering Calculation and Experimental Study of a Cone-Shaped Coil Heat Exchanger”. Helix - The Scientific Explorer | Peer Reviewed Bimonthly International Journal 10, no. 05 (October 31, 2020): 163-173. Accessed September 20, 2025. https://www.helixscientific.pub/index.php/home/article/view/241.