Effects of Perforation Geometry on the Heat Transfer Performance of Extended Surfaces
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- Thermofluid Modeling for Energy Efficiency Applications, 2016, pp. 103-117
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In this study heat transfer performances of extended surfaces (fins) having square, circular, hexagonal, and triangular lateral perforations are studied numerically. Simulations are carried out for Reynolds numbers ranging from 100 to 400 based on the fin thickness. Numerical results are first validated with previously published results and a good agreement is observed. For each type, Nusselt number, average drag, and heat removal rate of perforated fins are determined and compared. Results show that perforation geometry has significant effects on the thermal and fluid dynamic performance of the extended surfaces. All types of perforated fins show better heat transfer performance enhancement than the regular solid fins.
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