“EXPERIMENTAL INVESTIGATION OF ENHANCEMENT HEAT TRANSFER OF INSERT TWISTED TAPE OF CIRCLAR CUT WITH WIRE COIL IN THE DOUBLE PIPE HEAT EXCHANGER”. Journal of Engineering and Sustainable Development 22, no. 3 (May 1, 2018): Pages 23–33. Accessed May 15, 2024. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/321.