Effects of local reinforcement on nozzles in dished ends

Nash, D H and Hitchen, J (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.

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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.

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• Item metadata

  Item type:	Conference or Workshop Item(Paper)
  ID code:	16332
  Dates:	Date Event 20 September 2009 Published
  Subjects:	Technology > Mechanical engineering and machinery
  Department:	Faculty of Engineering > Mechanical and Aerospace Engineering
  Depositing user:	Ms Katrina May
  Date deposited:	11 Mar 2010 09:57
  Last modified:	18 Oct 2024 00:46
  URI:	https://strathprints.strath.ac.uk/id/eprint/16332