Abstract:
A mixed convective heat transfer in hollow perforated pin fins array with inline arrangement subject to a vertical
impinging flow is numerically investigated. The governing equations based on Navier-Stockes equations are
solved by adopting a three dimensional finite volume numerical model. The aim is to asses the thermal
performance of the new heat sink (perforated pin fins) under several significant parameters such geometrical
position of the hole (ht =10, 20, 30, 40mm) and the Reynolds number (Re = 50–500). The effects of the height
of horizontal hole and the vertical perforation on the thermal dissipation rate and the pressure drop are explicetly
undertaken and compared to the standard configuration (without perforation)
