| 刘超锋,刘建秀,白 玉,伊万成.基于有限元法的正交实验对蒸煮管大开孔处应力分布的研究[J].中国造纸学报,2014,29(2):55-57 |
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| 基于有限元法的正交实验对蒸煮管大开孔处应力分布的研究 |
| Study of Stress Distribution of Large Opening Structure in Cooking Tube Based on Orthogonal Experiment and Finite Element Method |
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| DOI：10.11981/j.issn.1000-6842.2014.02.55 |
| 中文关键词: 正交实验 有限元法 蒸煮管 大开孔 结构优化 |
| Key Words:orthogonal test finite element method cooking tube large opening structure optimization |
| 基金项目:2013年地方高校国家级大学生创新创业训练计划项目（201310462103）；郑州市科技攻关项目(20120326);郑州市科技创新团队项目(10CXTD159)。 |
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| 中文摘要: |
| 针对纸浆厂所用蒸煮管的工艺参数，以材质、壳体厚度、补强圈厚度为正交实验自变量，每个自变量分别取3个水平，设计了L9(34)正交表，进行了正交实验，用有限元法研究蒸煮管筒体径向大开孔处的应力分布情况。结果表明，有限元法研究蒸煮管开孔处应力分布情况可行，最佳水平组合为壳体计算厚度14 mm、材质为Q245R、补强圈厚度12 mm。 |
| Abstract: |
| On the basis of the process parameters of the cooking tube using in pulp mills， material， thickness of the shell， thickness of the reinforcing ring were selected as independent variables for orthogonal test， each variable selected three levels i.e. the minimum， median and maximum； “L9(34)” orthogonal table was designed； nine orthogonal tests with three factors and three levels were carried out. The finite element method was used to study the stress distribution of the cylinder of cooking tube with large opening in radial direction. The results showed that， the finite element method for studying stress distribution was feasible； the optimum combination was calculated thickness of the shell 14 mm， the material “Q245R”， reinforcing ring thickness 12 mm. |
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