Analysis of multi-layered filament-wound composite pipes under combined internal pressure and thermomechanical loading with thermal variations

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• 作者：H. Bakaiyan ; H. Hosseini ; E. Ameri
• 关键词：Anisotropic analysis ; Elasticity solution ; Laminated composite cylindrical pipe ; Thermal distribution ; Internal pressure ; Thermal stress
• 刊名：Composite Structures
• 出版年：2009
• 出版时间：May 2009
• 年：2009
• 卷：88
• 期：4
• 页码：532-541
• 全文大小：1403 K

文摘

The composite pipes manufactured by filament winding technology have anisotropic behavior owing to different reinforced ply angles. Composite pipes can be exposed to the thermomechanical loading due to hot fluid that flows into them. In this paper, based on the three-dimensional anisotropic elasticity, an exact elastic solution for thermal stresses and deformations of the pipes under internal pressure and a temperature gradient has been studied. Giving heat convection conditions the variation of temperature field within the pipe is obtained by solving the conduction equation at the wall. The influence of temperature field in the governing equations of thermoelasticity has been considered via a constitutive law. The shear extension coupling is also considered because of lay-up angles. Stress, strain and deformation distributions for different angle-ply pipe designs are investigated using the present theory.