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Finite Element Analysis on Stress of Fixedtube Sheet Heat Exchanger
Pages: 87-
88
Year: 2009
Issue:
12
Journal: Coal Mine Machinery
Abstract: 应用ANSYS有限元软件,建立了某固定管板式换热器的结构分析模型,对3种操作工况下换热器的应力场进行了计算,并校核了其中的危险工况.结果表明:受热载荷作用的换热器,最大应力在管板与管箱内壁面的过渡圆角处;"表皮效应"使距壳程侧2 mm处管板上的应力最大;换热器的各部件安全裕度均大于2,常规设计方法过于保守.
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