Abstract
he main purpose of this study is to examine the effect on forced heat convection properties of fin structures in a pentagonal duct. For this purpose, rectangular shaped fins are placed in the selected duct. The study was carried out under the constant heat flux (q’’=500 W/m2) and fully developed turbulent flow (10000<Re<40000) conditions. As a result of the study, an improvement in velocity distribution and convective heat transfer rate was observed with increasing Reynolds number and the use of rectangular fins. In addition, with the use of fins, the movement area of the flow was narrowed and an increase in the Darcy friction factor was observed.
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