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Title of Journal: J Mech Sci Technol

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Abbravation: Journal of Mechanical Science and Technology

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Korean Society of Mechanical Engineers

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Review of the finite element models for a structural integrity evaluation of the sodium-cooled fast reactor high temperature piping

Authors: Chang-Gyu Park, Young-Sang Joo, Jong-Bum Kim,

Publish Date: 2012/09/15
Volume: 26, Issue:9, Pages: 2807-2813
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We compared the structural analysis feature of finite element (FE) models for the structural integrity evaluation of the sodium-cooled fast reactor (SFR) high temperature piping and to evaluate the structural integrity against the typical duty cycle event. To evaluate the structural integrity of the high temperature piping per ASME Subsection NH rules, the structural analysis should be carried out first by using a 3-dimensional structural model. The object FE models under consideration in this study are pipe element model, 3-D full model, and 3-D simplified model. The pipe element model is based on the 3-D beam element and effective in understanding overall deformation but less favorable to the detailed stress distribution. The 3-D full model consists of solid structure as well as the contained coolant inside the piping structure with the fluid element. The 3-D simplified model consists of structure shape only, but its material properties are recalculated to reflect the coolant weight effect. The loading conditions for the structural analyses are the mechanical load including dead weight and steady state thermal load. From the analysis results, the piping element model shows the smallest stress intensity, and the required time for FE analysis is also the shortest. The 3-D simplified model shows the most conservative stress intensity output but its calculation time is less than the 3-D full model.



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Other Papers In This Journal:

  1. Review of the finite element models for a structural integrity evaluation of the sodium-cooled fast reactor high temperature piping
  2. Experimental and numerical assessment of the improvement of the load-carrying capacities of butterfly-shaped coupling components in composite structures
  3. Research on a new type of squirt gun for cleaning
  4. Closed loop control of the planar flexible manipulator via Youla-Kucera parameterization
  5. Optimal combination of design parameters for improving the kinematics characteristics of a midsize truck through design of experiment
  6. A numerical prediction on the reduction of microorganisms with UV disinfection
  7. Effects of microstructure on material properties of modified 9Cr-1Mo steel subject to creep-fatigue
  8. In-pipe micromachine locomotion via the inertial stepping principle
  9. Optimal disc cutters plane layout design of the full-face rock tunnel boring machine (tbm) based on a multi-objective genetic algorithm
  10. Model reduction of a multibody system including a very flexible beam element
  11. Examination and modification of equivalent delamination factor for assessment of high speed drilling
  12. Prediction of cutting force
  13. Prediction of cutting force
  14. Nonlocal beam models for buckling of nanobeams using state-space method regarding different boundary conditions
  15. Effect of leading edge boundary layer thickness on dimple flow structure and separation control
  16. Flow instability due to cryogenic cavitation in the downstream of orifice
  17. A study on the microstructural property and thermal property of Ti-alloys without Al as biomaterials
  18. The development of a quality prediction system for aluminum laser welding to measure plasma intensity using photodiodes
  19. Explicit formulation for natural frequencies of double-beam system with arbitrary boundary conditions
  20. Induced nonlocal electric wave propagation of boron nitride nanotubes
  21. Stochastic analysis of a collection process of submicron particles on a single fiber accounting for the changes in flow field due to particle collection
  22. Comparison of different power generators in PV-battery-power generator hybrid system
  23. Welding residual stress analysis of 347H austenitic stainless steel boiler tubes using experimental and numerical approaches
  24. Optimal design of spaced plates under hypervelocity impact
  25. Experimental study on ECM with a grid cathode composed of circular cells
  26. Application of grey model for machine degradation prognostics
  27. Methodology for corrosion evaluation in HAZ of 11%-Cr ferritic stainless steel
  28. Thermodynamic second law analysis for a gravity-driven variable viscosity liquid film along an inclined heated plate with convective cooling
  29. Determination of the flow stress and thermal properties of ceramic powder feedstock in ceramic injection molding
  30. Surface durability of powder-forged roller treated by shot peening
  31. Effects of gas and particle emissions on wall radiative heat flux in oxy-fuel combustion

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