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GB151-1999《管壳式换热器》中未对换热管的径向失稳做出规定,薄壁钛管换热器在水压试验时易发生径向失稳,本文对薄壁钛换热管的失稳做出了计算,通过分析提出了解决薄壁换热管径向失稳的具体措施,以供设计、制造、检验人员参考。
GB151-1999 “shell and tube heat exchanger” does not provide for the radial instability of heat exchange tubes, thin-walled titanium tube heat exchanger prone to radial instability in hydrostatic test, the paper on the thin-walled titanium The failure of the heat exchange tube has been calculated, and the specific measures to solve the radial instability of the thin-wall heat exchange tube have been put forward for the reference of the design, manufacture and inspectors.