31 تیر 1403
امين شهسوارگلدانلو

امین شهسوارگلدانلو

مرتبه علمی: استادیار
نشانی: دانشگاه صنعتی کرمانشاه - دانشکده مهندسی - گروه مهندسی مکانیک
تحصیلات: دکترای تخصصی / مهندسی مکانیک
تلفن:
دانشکده: دانشکده مهندسی

مشخصات پژوهش

عنوان
Laminar forced convection performance of non-Newtonian water-CNT/Fe3O4 nano-fluid inside a minichannel hairpin heat exchanger: Effect of inlet temperature
نوع پژوهش مقاله چاپ شده
کلیدواژه‌ها
Hybrid nano-fluid; Hairpin heat exchanger; Heat transfer; Inlet temperature; Carbon nanotube; Fe3O4
پژوهشگران وی لیو (نفر اول)، عبدالله الراشد (نفر دوم)، علی سلیمان الصغری (نفر سوم)، بشرا محمودی (نفر چهارم)، امین شهسوارگلدانلو (نفر پنجم)، مسعود افرند (نفر ششم به بعد)

چکیده

This numerical study aims to focus on the effect of difference between the inlet temperatures of working fluids on the hydrothermal characteristics of a counter-current minichannel hairpin heat exchanger. The water flows in the annulus side and the water based hybrid nano-fluid containing Fe3O4 and carbon nanotubes (CNTs) passes through the tube side of heat exchanger. Temperature-dependent thermal conductivity and viscosity are considered for the non-Newtonian hybrid nano-fluid. The effects of Fe3O4 and CNT volume fractions as well as the Reynolds number on the performance metrics of the heat exchanger are also assessed. The results revealed that the increase of difference between the inlet temperatures of working fluids leads to the augmentation of heat transfer rate, overall heat transfer coefficient (except at Reynolds number of 500), heat exchanger effectiveness and PEC; while the pumping power diminishes with the increase of inlet water temperature.