Flow and Heat Transfer Characteristics of Square Cylinder with Protrusions at Different Channel Confinements
Amit Varakhedkar1, Rajendran Senthil Kumar2
1Amit Varakhedkar, Department of Mechanical Engineering, SRM Institute of Science and Technology, Kattankulathur, India.
2Rajendran Senthil Kumar, Department of Mechanical Engineering, SRM Institute of Science and Technology, Kattankulathur, India.
Manuscript received on 18 July 2019 | Revised Manuscript received on 25 July 2019 | Manuscript Published on 01 August 2019 | PP: 7-11 | Volume-8 Issue-4S2, April 2019 | Retrieval Number: D10020484S219/19©BEIESP | DOI: 10.35940/ijeat.D1002.0484S219
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
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.
Keywords: Confinement, Drag Coefficient, Finite Volume Method, Nusselt number, Protrusions.
Scope of the Article: Heat Transfer