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Effects of local reinforcement on nozzles in dished ends

Nash, David and Hitchen, Joanne (2009) Effects of local reinforcement on nozzles in dished ends. In: 12th International Conference on Pressure Vessel Technology, ICPVT-12, 2009-09-20 - 2009-09-23, Jeju Island, South Korea.

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    Abstract

    The results of a parametric design study, to determine the optimum diameter of reinforcing pad for nozzles in the knuckle region of an ellipsoidal pressure vessel head are presented herein. The study utilised a linear elastic finite element model, created using ANSYS finite element analysis software. Nozzle parameters of diameter, offset, and wall thickness were varied to ensure the results obtained were achieved through a thorough analysis. Optimum pad sizes were obtained for thrust, in plane moment and out-of-plane moment nozzle loads. Design curves were produced, allowing maximum permitted applied stress, to be calculated for any nozzle size subject to one of the three loading conditions. Recommendations for allowable offset and treatment of loading combinations are also presented.

    Item type: Conference or Workshop Item (Paper)
    ID code: 16332
    Keywords: local reinforcement, nozzles, dished ends, pressure vessels, Mechanical engineering and machinery, Mechanical Engineering, Mechanics of Materials, Computational Mechanics
    Subjects: Technology > Mechanical engineering and machinery
    Department: Faculty of Engineering > Mechanical and Aerospace Engineering
    Related URLs:
    Depositing user: Ms Katrina May
    Date Deposited: 11 Mar 2010 09:57
    Last modified: 06 Jun 2014 17:58
    URI: http://strathprints.strath.ac.uk/id/eprint/16332

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