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UG-27 or Appendix 1

thread1259-276543

UG-27 or Appendix 1

UG-27 or Appendix 1

(OP)
How does Compress determine whether to use UG-27 or Appendix 1 equations for calculating required thicknesses for, say, nozzle reinforcement calculations and unstayed flat head coefficients?  I've seen both used in the nozzle reinforcement area calculations in 2 different models of the same vessel.

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Fitter, happier, more productive

RE: UG-27 or Appendix 1

(OP)
And again, are the crickets chirping indicating this is a matter of Code interpretation?

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Fitter, happier, more productive

RE: UG-27 or Appendix 1

For design of a shell component (cylinder, head, cone), the shell ID or OD is specified by the user. The corresponding design formula will be used by COMPRESS. Required thickness of a nozzle is always based on the ID formula for a cylinder, regardless of the setting for "Nozzles are entered as outside diameter" (thus the same formula whether nozzle is specified by OD or ID).

 

   "Although this forum is monitored by Codeware it is not intended as a venue for technical support and should not be used as the primary means of technical support."

  Tom Barsh
  Codeware Technical Support
  www.codeware.com
   

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