Heat Transfer Characteristics of a Fluid Flow in Multi Tube Heat Exchanger Fitted with Perforated Fins. jcoeng [انترنت]. 1 نوفمبر، 2015 [وثق 21 مايو، 2024];21(11):40-59. موجود في: https://joe.uobaghdad.edu.iq/index.php/main/article/view/319