Determination of the critical pressure for a hot-water pipe with a corrosion defect (CROSBI ID 168210)
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Kozak, Dražan ; Ivandić, Željko ; Konjatić, Pejo
engleski
Determination of the critical pressure for a hot-water pipe with a corrosion defect
This paper deals with a determination of the critical pressure, i.e., the allowable operating pressure, of a corroded pipeline. This allowable pressure, as well as the safe-working pressure, are determined by using the analytic expressions given in the DNV-RP-F101 procedure for corroded pipelines. The failure pressure was calculated numerically using the finite-element method (FEM) with assumption of linear-elastic and ideal-plastic behaviour of the pipe material.
corroded hot-water pipe; defect; DNV-RP-F101 procedure; allowable pressure; FEM analysis
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