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首页> 外文会议>ASME(American Society of Mechanical Engineers) Pressure Vessels and Piping Conference vol.3: Design and Analysis; 20050717-21; Denver,CO(US) >AN ANALYTICAL AND FINITE ELEMENT ANALYSIS STUDY OF MULTILAYERED PRESSURE VESSELS UNDER THERMAL CONDITIONS
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AN ANALYTICAL AND FINITE ELEMENT ANALYSIS STUDY OF MULTILAYERED PRESSURE VESSELS UNDER THERMAL CONDITIONS

机译：热条件下多层压力容器的分析和有限元分析

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摘要

The present paper is an endeavor towards assessing the stresses which may be induced in multi-layer pressure vessels subjected to the combined effects of pressure and temperature gradients across the vessel wall thickness. Assuming different geometries of membrane shells; namely cylindrical and spherical shells, a solution based on prescribed model with radial linear temperature distribution has been attained. The solution relates the induced stresses to the shell geometry, layers properties, number of layers, wall thickness and the working conditions of pressure and temperature gradient. In the analysis each layer composing the vessel thickness is treated as a membrane shell of revolution (thin lamina). By the aid of finite element analysis (FEA) technique, different cases of pressure vessels under thermal loading are investigated.
机译：本文致力于评估在多层压力容器中可能受到的应力，这些压力在容器壁厚上受到压力和温度梯度的共同作用。假设膜壳的几何形状不同；即圆柱壳和球形壳，已经获得了基于具有径向线性温度分布的指定模型的解决方案。该解决方案将引起的应力与壳体的几何形状，层属性，层数，壁厚以及压力和温度梯度的工作条件相关联。在分析中，将构成血管厚度的每一层都视为旋转的膜壳（薄层）。借助有限元分析（FEA）技术，研究了热负荷下压力容器的不同情况。

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