Numerical Estimation of Mixed Convection Heat Transfer of Nannofluids Flowing In Horizontal and an Inclined Concentric Annuli. J. eng. sustain. dev. [انترنت]. 1 ديسمبر، 2013 [وثق 19 مايو، 2024];17(6):44-66. موجود في: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1024