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    Verifying Structural Integrity of Repaired Cylindrical Pressure Vessels by Partitioning Method

    Source: Journal of Pressure Vessel Technology:;2017:;volume( 139 ):;issue: 002::page 21208
    Author:
    Al-Gahtani, Husain J.
    ,
    Naffa'a, Mahmoud
    DOI: 10.1115/1.4034349
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Pressure vessels that undergo repairs are normally pressure tested to verify their structural integrity before returning into service. Conventionally, the entire vessel is pressure tested, according to the relevant construction code. In this paper, partitioning the pressure vessel is suggested as an equivalent alternative test arrangement, where pressure testing is limited to the zone where a repair has been performed. Use of such an arrangement would alleviate potential concerns associated with the conventional testing method. Procedures are provided to specify the position of the partition relative to the repair location, in order to maintain the state-of-stress to that achieved in a conventional pressure test. Validity of this approach has been demonstrated for a repaired full-circumferential welded joint in the wall of a cylindrical pressure vessel.
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      Verifying Structural Integrity of Repaired Cylindrical Pressure Vessels by Partitioning Method

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4235546
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    contributor authorAl-Gahtani, Husain J.
    contributor authorNaffa'a, Mahmoud
    date accessioned2017-11-25T07:19:02Z
    date available2017-11-25T07:19:02Z
    date copyright2016/29/9
    date issued2017
    identifier issn0094-9930
    identifier otherpvt_139_02_021208.pdf
    identifier urihttp://138.201.223.254:8080/yetl1/handle/yetl/4235546
    description abstractPressure vessels that undergo repairs are normally pressure tested to verify their structural integrity before returning into service. Conventionally, the entire vessel is pressure tested, according to the relevant construction code. In this paper, partitioning the pressure vessel is suggested as an equivalent alternative test arrangement, where pressure testing is limited to the zone where a repair has been performed. Use of such an arrangement would alleviate potential concerns associated with the conventional testing method. Procedures are provided to specify the position of the partition relative to the repair location, in order to maintain the state-of-stress to that achieved in a conventional pressure test. Validity of this approach has been demonstrated for a repaired full-circumferential welded joint in the wall of a cylindrical pressure vessel.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleVerifying Structural Integrity of Repaired Cylindrical Pressure Vessels by Partitioning Method
    typeJournal Paper
    journal volume139
    journal issue2
    journal titleJournal of Pressure Vessel Technology
    identifier doi10.1115/1.4034349
    journal fristpage21208
    journal lastpage021208-10
    treeJournal of Pressure Vessel Technology:;2017:;volume( 139 ):;issue: 002
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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