Syed, N. H., N. A. Khan, N. Ahmad, M. Khan, F. Ahmad, F. Humayun, S. Haq, I. A. Alsayer, and I. A. Altuwair. “A CFD Analysis to Investigate the Effect of Inserts on the Overall Heat Transfer Coefficient in a Concentric Tube Heat Exchanger”. Engineering, Technology & Applied Science Research, vol. 14, no. 6, Dec. 2024, pp. 18077-85, doi:10.48084/etasr.8891.