Abstract
The present 2-D numerical study investigates flow and convection heat transfer characteristics of a square cylinder with protrusions by considering electronic cooling applications. The flow confinement effect is observed by varying the blockage ratio (channel height/characteristic length of component) from 2 to 4. A finite volume-based flow solver is used to solve flow and energy equations. The resulting flow and heat transfer characteristics of various geometries studied from pressure coefficient, drag coefficient, Total Pressure Drop, Local Nusselt Number and average Nusselt number for various Reynolds numbers from 75 to 200. The addition of protrusion on rare side of square cylinder did not enhance the heat transfer in a significant rate but it eliminates flow shredding and guarantees the structural stability.
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