Journal of Pressure Vessel Technology: Recent submissions

Now showing items 1721-1740 of 4506

    • Relationship Between Crack-Tip Constraint and Dynamic Fracture Initiation Toughness 

      Yuh J. Chao; Cheng Wang; Yil Kim; Chi-Hui Chien (The American Society of Mechanical Engineers (ASME), 2010)
      Two-dimensional finite element analyses are performed to study the crack-tip constraint in an elastic-plastic, three point bend specimen under dynamic load. Both strain rate-independent and strain ...

    • Erosion in Nuclear Piping Systems 

      Harold M. Crockett; Jeffrey S. Horowitz (The American Society of Mechanical Engineers (ASME), 2010)
      Various mechanisms degrade components and power piping in nuclear power plants. The mechanism with the greatest consequence has been flow-accelerated corrosion (FAC). FAC has caused ruptures and ...

    • Validity of Assessment Procedure in p-M Method for Multiple Volumetric Flaws 

      Shinji Konosu; Masato Kano; Norihiko Mukaimachi; Shinichiro Kanamaru (The American Society of Mechanical Engineers (ASME), 2010)
      General components such as pressure vessels, piping, storage tanks, and so on are designed in accordance with the construction codes based on the assumption that there are no flaws in such ...

    • Dynamic Burst Pressure Simulation of Cylinder-Cylinder Intersections 

      Cunjiang Cheng; G. E. Otto Widera (The American Society of Mechanical Engineers (ASME), 2010)
      In this study, the determination of the burst pressure of a series of cylinder-cylinder intersections representing vessels of diameter D and wall thickness T, and nozzles of diameter d and ...

    • A Risk-Informed Approach to Leak-Before-Break Assessment of Pressure Tubes in CANDU Reactors 

      M. D. Pandey; A. K. Sahoo (The American Society of Mechanical Engineers (ASME), 2010)
      The leak-before-break (LBB) assessment of pressure tubes is intended to demonstrate that in the event of through-wall cracking of the tube, there will be sufficient time followed by the leak ...

    • Mechanical Behavior of Random Fiber Composite Perforated Plates 

      Michael Eggen; Susan C. Mantell; Jane H. Davidson (The American Society of Mechanical Engineers (ASME), 2010)
      The mechanical behavior of perforated, chopped fiber reinforced polymer plates is measured in three point bend tests to determine if an equivalent elastic modulus can be applied to fiber filled ...

    • Flow-Excited Acoustic Resonance in Industry 

      Samir Ziada (The American Society of Mechanical Engineers (ASME), 2010)
      The excitation mechanism of acoustic resonances has long been recognized, but the industry continues to be plagued by its undesirable consequences; manifested in severe vibration and noise problems ...

    • Welding Residual Stress Solutions for Dissimilar Metal Surge Line Nozzle Welds 

      D. Rudland; T. Zhang; G. Wilkowski; A. Csontos (The American Society of Mechanical Engineers (ASME), 2010)
      At the end of 2006, defects were identified using ultrasonic testing in three of the pressurizer nozzle dissimilar metal (DM) welds at the Wolf Creek nuclear power plant. Understanding welding ...

    • Estimates of Elastic Crack Opening Displacements of Slanted Through-Wall Cracks in Plate and Cylinder 

      Nam-Su Huh; Do-Jun Shim; Yeon-Sik Yoo; Suhn Choi; Keun-Bae Park (The American Society of Mechanical Engineers (ASME), 2010)
      This paper provides tractable solutions for elastic crack opening displacement (COD) of slanted through-wall cracks in plates and cylinders. The solutions were developed via detailed three dimensional ...

    • CFD Analysis of Thermally Stratified Flow and Conjugate Heat Transfer in a PWR Pressurizer Surgeline 

      Jong Chull Jo; Dong Gu Kang (The American Society of Mechanical Engineers (ASME), 2010)
      Temperature gradients in the thermally stratified fluid flowing through a pipe may cause undesirable excessive thermal stresses at the pipe wall in the axial, circumferential, and radial directions, ...

    • Flexural Waves in Fluid-Filled Tubes Subject to Axial Impact 

      Kazuaki Inaba; Joseph E. Shepherd (The American Society of Mechanical Engineers (ASME), 2010)
      We experimentally studied the propagation of coupled fluid stress waves and tube flexural waves generated through projectile impact along the axis of a water-filled tube. We tested mild steel ...

    • Fitness-for-Service Assessment of Hydrocarbon Storage Tanks 

      F. Ahmad; M. M. Hossain; R. Seshadri (The American Society of Mechanical Engineers (ASME), 2010)
      Storage tanks are widely used in the industry to store hydrocarbon products. Corrosion damage is considered to be a serious threat to the structural integrity of the industrial storage tanks ...

    • Vibration Analysis of a Floating Roof Subjected to Radial Second Mode of Sloshing 

      M. Utsumi; K. Ishida (The American Society of Mechanical Engineers (ASME), 2010)
      In a previous paper, a cost-efficient modal analysis method for the vibration of a floating roof coupled with nonlinear sloshing in a circular cylindrical oil storage tank is presented. This ...

    • Axial Stiffness Analysis of Corrugated Tubes 

      Caifu Qian; Cunzheng Sun; Jinhua Xiao (The American Society of Mechanical Engineers (ASME), 2010)
      In this study, axial stiffness analysis of corrugated tubes was carried out numerically and experimentally. By performing axial loading-displacement analysis, a so-called stiffness weakness factor ...

    • The Relationship Between the Maximum Efficiency and the Flow of Centrifugal Pumps in Parallel Operation 

      Yi Wen; Xiaochu Zhang; Pu Wang (The American Society of Mechanical Engineers (ASME), 2010)
      The maximum operating efficiency of a centrifugal pump is different when it is parallel operated with different pumps. To study the reduction in the maximum operating efficiency of pumps in ...

    • Computation of Working Life Consumption of a Steam Turbine Rotor 

      Dejan Mitrović; Dragoljub Zivkovic (The American Society of Mechanical Engineers (ASME), 2010)
      Fatigue is one of the most important aging effects of power plant components. Information about fatigue helps in assessing structural degradation of the component and so assists in planning ...

    • Shakedown Analysis of Nuclear Components Using Linear and Nonlinear Methods 

      Dan Vlaicu (The American Society of Mechanical Engineers (ASME), 2010)
      A cyclically loaded structure made of elastic-plastic material is considered as an elastic shakedown if plastic straining occurs in the first few cycles and the sequent response is wholly ...

    • Overview of Mechanics of Pipes Conveying Fluids—Part I: Fundamental Studies 

      R. A. Ibrahim (The American Society of Mechanical Engineers (ASME), 2010)
      This two-part review article presents an overview of mechanics of pipes conveying fluid and related problems such as the fluid-elastic instability under conditions of turbulence in nuclear power ...

    • Three-Dimensional Stress State Around Corrosive Cavities on Pressure Vessels 

      Z. Abdulaliyev; S. Ataoglu; E. S. Kayali; O. Bulut (The American Society of Mechanical Engineers (ASME), 2010)
      Internal surfaces of pressure vessels used in many industrial sectors are subjected to corrosive effects leading to cavities. In this study, corrosive cavities on investigated pressure vessels ...

    • Influence of Cooling Rate on Predicted Weld Residual Stress Buildup in a Thick-Walled Piping Intersection 

      Wei Jiang; Kadda Yahiaoui (The American Society of Mechanical Engineers (ASME), 2010)
      Welded, thick-walled piping intersections are widely used in many engineering applications including the offshore and nuclear power industries. These components are often fabricated by multipass ...