EXPERIMENTAL INVESTIGATION OF USING NEW SHAPE AUGMENTATIONS FOR ENHANCING HEAT TRANSFER IN HEAT EXCHANGERS. J. eng. sustain. dev. [انترنت]. 1 نوفمبر، 2017 [وثق 3 يوليو، 2024];21(6):80-91. موجود في: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/489