| 管壳式换热器外导流筒接管区的应力分析 |
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| 引用本文： | 孙萍,江楠,钱颂文.管壳式换热器外导流筒接管区的应力分析[J].华南理工大学学报(自然科学版),1996(9). |
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| 作者姓名： | 孙萍 江楠 钱颂文 |
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| 作者单位： | 华南理工大学交通学院 |
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| 摘 要： | 本文应用有限元数值分析和实验应力分析两种方法对管壳式换热器外导流筒接管区的应力和强度问题进行了研究。选用较高精度８～２０变节点三维等参元对外导流筒开孔接管区应力进行有限元数值分析，得到了较为详尽的接管区应力分布规律；采用电测法得到的外导流筒接管区实验模型的应力分布规律，验证了有限元数值分析的结论，结果基本吻合。
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| 关 键 词： | 外导流筒 接管区 三维等参元 应力分析 |
STRESS ANALYSIS IN NOZZLE ZONE OF EXTERNAL FLOW GUIDING CYLINDER OF SHELL HEAT EXCHANGER |
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| Sun Ping,Jiang Nan,Qian Songwen.STRESS ANALYSIS IN NOZZLE ZONE OF EXTERNAL FLOW GUIDING CYLINDER OF SHELL HEAT EXCHANGER[J].Journal of South China University of Technology(Natural Science Edition),1996(9). |
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| Authors: | Sun Ping Jiang Nan Qian Songwen |
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| Abstract: | This paper deals with the stress and strength of the nozzle zone of the external flow guiding cylinder of the shell and heat exchanger by numerical analysis of FEM and experimental stress analysis, giving the theoretical and experimental distribution laws of stresses with the aid respectively of three dimension finite element in 8 to 12 changing sopots and of the electrical measuremet. The two laws are proved to be exactly coincident with each other by the experimental results. |
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| Keywords: | external flow guiding cylinder nozzle zone three dimension finite element stress analysis |
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