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In this work thermal analysis and comparison of die formed elbow joint and mitered elbow joint of circular duct is done using Altair HyperWorks Software. Results were obtained for conduction and convection through the cross section of elbow joints of the hollow duct. The inner surface of both the duct joints is maintained at constant temperature and ambient air is at certain temperature that is less than inner surface temperature of the duct. Due to temperature difference heat will flow from higher temperature to lower temperature. The material of pipe provides conductive resistance and the surrounding air provides convective resistance. The heat transfer is one dimensional and properties are considered to be isotropic. The duct joints are assumed to be made of steel having known thermal conductivity and density. The surroundings of joints have known convective heat transfer coefficient and temperature. The modelling and meshing is done in Hypermesh, analysis is done in Radioss and results are obtained in hyperview which is a postprocessor in Altair HyperWorks. The different characteristics can be obtained by varying the material of the joints.

Thermal Analysis of Die Formed Elbow Joint and Mitered Elbow Joint Using Altair HyperWorks Software