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One Dimensional Finite Element Analysis of Heat Dissipation from Rectangular Fin with Longitudinal Hexagonal Perforations

Isam HE Qasem, Abdullah HM AlEssa

In this study the finite element method (FEM) is used in solving the heat dissipation from a perforated fin. This fin is horizontal rectangular fin subjected to natural convection and provided with longitudinal hexagonal perforations. The orientation of these perforations is described as they have two sides parallel to the fin sides. The body of the fin is discretized into the sufficient finite elements. The number of these elements can be altered as required according to the automatic mesh generation. The heat dissipation of the perforated fin is computed and compared with that of the solid one of the same dimensions and same thermal properties. The comparison refers to acceptable results and heat dissipation enhancement due to certain perforation.