Fadhil Hussein N. EXPERIMENTAL INVESTIGATION OF USING NEW SHAPE AUGMENTATIONS FOR ENHANCING HEAT TRANSFER IN HEAT EXCHANGERS. J. eng. sustain. dev. [Internet]. 2017 Nov. 1 [cited 2025 Apr. 20];21(6):80-91. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/489