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ASME STP/PT-053

CRITERIA DOCUMENT FOR SHELL-AND-TUBE HEAT EXCHANGERS ACCORDING TO PART UHX OF ASME SECTION VIII DIVISION 1

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Organization: ASME
Publication Date: 22 March 2013
Status: active
Page Count: 400
scope:

Develop a criteria document covering the development of the TS design rules for the U-tube, Fixed, and Floating Head TS HEs configurations contained in Part UHX of Section VIII Division 1, 2010 Edition. The criteria document will apply also to paragraph 4.18 of Section VIII, Division 2 which is entirely based on Part UHX.

The free body diagram of the HE, the equilibrium and compatibility equations, the solution of resulting differential equations and all intermediate steps are provided to show the derivation of:

  • the deflection and the rotation at any radius of the TS,
  • the bending and shear stress at any radius of the TS,
  • the axial stresses in the tubes at any radius of the TS,
  • the axial stretch force acting in the shell,
  • the axial displacement of the shell.

The document provides the technical basis of the following items:

  • the required loading case combinations,
  • the acceptance criteria for each TS configuration, as applicable,
  • the TS characteristics including the Effective Elastic Constants,
  • the TSs extended as a flange.

The following effects are in addition to the above basic items:

  • the effect of different shell material or thickness adjacent to the TS,
  • the effect of plasticity at TS-shell-channel joint,
  • the effect of radial differential thermal expansion between the TS and integral shell and channel,
  • the tubesheet calculated as simply supported TS.

Document History

ASME STP/PT-053
March 22, 2013
CRITERIA DOCUMENT FOR SHELL-AND-TUBE HEAT EXCHANGERS ACCORDING TO PART UHX OF ASME SECTION VIII DIVISION 1
Develop a criteria document covering the development of the TS design rules for the U-tube, Fixed, and Floating Head TS HEs configurations contained in Part UHX of Section VIII Division 1, 2010...

References

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