Experimental Investigation of Heat Transfer through Horizontal Rectangular Fin Array with Fine and Coarse Perforated Fins under Natural Convection
Shitole Pankaj1, Bhosle Santosh2, Kulkarni Kishor3, Joshi Sarang4
1Shitole Pankaj, Assistant Professor, JSPM’s Bhivrabai Sawant Institute of Technology & Research, Wagholi, Pune (Maharashtra), India.
2Bhosle Santosh, Principal, Department of Mechanical Engineering, Marathwada Institute of Technology, Aurangabad (Maharashtra), India.
3Kulkarni Kishor, Professor, Department of Mechanical Engineering, Marathwada Institute of Technology, Aurangabad (Maharashtra), India.
4Joshi Sarang, Professor, Department of Mechanical Engineering, Marathwada Institute of Technology, Aurangabad (Maharashtra), India.
Manuscript received on June 04, 2018. | Revised Manuscript received on June 12, 2018. | Manuscript published on June 30, 2018. | PP: 13-18 | Volume-5 Issue-6, June 2018. | Retrieval Number: F1250065618
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© The Authors. Published By: 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: Geometry and orientation plays an important role in natural convection heat transfer. In this paper experimental study of heat transfer from horizontal rectangular fins with fine and coarse perforations under natural convection is presented. The parameters varied for the experiment are heater inputs (Q= 52W, 61W and 73 W), fin spacing (S = 4-14 mm). The other parameters like fin length, fin height and width of array kept constant. The measurement of convective heat transfer is very critical and depends on estimation of average heat transfer coefficient (ha ). The experimentation results are presented in terms of various heat transfer parameters such as average heat transfer coefficient (ha), base heat transfer coefficient (hb). The comparison of these parameters is presented between finely perforated fins and coarsely perforated fins. It is observed that there is a significant effect of Fine perforation over coarse perforation with variation in fin spacing on average and base heat transfer coefficients. For natural convection the combination of finely perforated constant pitch.
Keywords: Fins, Natural Convection, Heat Transfer.