Journal of Pressure Vessel Technology: Recent submissions
Now showing items 901-920 of 4506
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Failure Experiments on Pipes With Local Wall Thinning Subjected to Multi-Axial Loads
(The American Society of Mechanical Engineers (ASME), 2017)Piping lines in nuclear power plants may experience multi-axial loads including tensile force, bending, and torsion moments during operation. There is a lack of guidance for failure evaluation of locally wall-thinned pipes ... -
Variations in the Postbuckling Behavior of Straight Pipes Due to Steel Grade and Internal Pressure
(The American Society of Mechanical Engineers (ASME), 2017)Pipelines can be subjected to bending loads due to a variety of factors such as seismic activity, slope instability, or discontinuous permafrost. Experimental studies of Sen et al. [1–3] showed that pipelines can fail under ... -
Measurements of Decompression Wave Speed in Simulated Anthropogenic Carbon Dioxide Mixtures Containing Hydrogen
(The American Society of Mechanical Engineers (ASME), 2017)In order to determine the material fracture resistance necessary to provide adequate control of ductile fracture propagation in a pipeline, a knowledge of the decompression wave speed following the quasi-instantaneous ... -
The Technique of Segmental Pigging Process for Long Distance Pipeline of Oil and Gas in China
(The American Society of Mechanical Engineers (ASME), 2017)Worldwide, the pipeline mileage has increased dramatically since 1948 when the industry began to keep mileage statistics for pipeline construction, especially in China. Before operating long distance oil and gas pipelines, ... -
Design-Focused Stress Analysis of Cylindrical Pressure Vessels Intersected by Small-Diameter Nozzles
(The American Society of Mechanical Engineers (ASME), 2017)In a related work previously carried out by the authors, finite element analysis of cylindrical vessel–cylindrical nozzle juncture based on the use of thin shell theory, due to the fact that the intersecting nozzle sizes ... -
Development of Stress Intensity Factors for Cracks With Large Aspect Ratios in Pipes and Plates
(The American Society of Mechanical Engineers (ASME), 2017)The stress intensity factors (SIFs) for pipes containing semi-elliptical surface cracks with large aspect ratios were calculated by finite-element analysis (FEA). The cracks were circumferential and axial surface cracks ... -
Evaluation of Leakage Through Graphite-Based Compression Packing Rings
(The American Society of Mechanical Engineers (ASME), 2017)The prediction of leakage is one of the most challenging tasks when designing bolted flanged connections and industrial valves. Failure of these pressure vessel components can cause shutdowns but also accidents, loss of ... -
Improved First-Order Approximate Models of Temperature and Thermal Stresses for Online Fatigue Monitoring
(The American Society of Mechanical Engineers (ASME), 2017)Online monitoring of temperature and thermal stresses is an important way to ensure the safety of power plants considering fatigue and creep damages. The effect of online monitoring is determined by the accuracy and ... -
Investigation on Structural Behaviors of Reactor Pressure Vessel With the Effects of Critical Heat Flux and Internal Pressure
(The American Society of Mechanical Engineers (ASME), 2017)The so-called “in-vessel retention (IVR)” is a severe accident management strategy, which is widely adopted in most advanced nuclear power plants. The IVR mitigation is assumed to be able to arrest the degraded melting ... -
Local Hydrostatic Pressure Test for Cylindrical Vessels
(The American Society of Mechanical Engineers (ASME), 2017)The juncture of a small cylindrical nozzle to a large cylindrical vessel is very common in the pressure vessel industry. Upon fabrication, it is required that the whole structure is subjected to pressure testing. The test ... -
PVCO Pipeline Performance Under Large Ground Deformation
(The American Society of Mechanical Engineers (ASME), 2017)Technological advances have improved pipeline capacity to accommodate large ground deformation associated with earthquakes, floods, landslides, tunneling, deep excavations, mining, and subsidence. The fabrication of polyvinyl ... -
Notch Behavior of Components Under the Stress-Controlled Creep–Fatigue Condition: Weakening or Strengthening?
(The American Society of Mechanical Engineers (ASME), 2017)Notch-related weakening and strengthening behavior under creep–fatigue conditions was studied in terms of the elastic–viscoplasticity finite-element method (FEM). A coupled damage analysis, i.e., the skeletal point method ... -
Study on Dimensional Tolerances Required for Miniature C(T) Specimens
(The American Society of Mechanical Engineers (ASME), 2017)The Master Curve approach using miniature C(T) specimens with 4 mm thickness is promising for directly determining the reference temperature of reactor pressure vessel (RPV) steels because they can be taken from the broken ... -
Verifying Structural Integrity of Repaired Cylindrical Pressure Vessels by Partitioning Method
(The American Society of Mechanical Engineers (ASME), 2017)Pressure vessels that undergo repairs are normally pressure tested to verify their structural integrity before returning into service. Conventionally, the entire vessel is pressure tested, according to the relevant ... -
Brittle Fracture Prevention Model for Pressure Based on Master Curve Approach
(The American Society of Mechanical Engineers (ASME), 2017)The brittle fracture prevention model is of great importance to the safety of pressure vessels. Compared to the semi-empirical approach adopted in various pressure vessel standards, a model based on Master Curve technique ... -
Comparison of Ductile Tearing Simulation With Complex Cracked Pipe Test Data
(The American Society of Mechanical Engineers (ASME), 2017)This paper presents numerical ductile tearing simulation results of four complex cracked pipes made of two materials, performed at Battelle, Columbus, OH. In ductile tearing simulation, stress-modified fracture strain model ... -
Residual Stress Distribution in a Dissimilar Weld Joint by Experimental and Simulation Study
(The American Society of Mechanical Engineers (ASME), 2017)Dissimilar welding between carbon steel and stainless steel is widely used in power plant. A lot of stress corrosion cracking (SCC) have occurred in the weld joint, which are affected greatly by residual stresses. This ... -
Crack Growth Behavior of Pipes Made From Polyvinyl Chloride Pipe Material1
(The American Society of Mechanical Engineers (ASME), 2017)The behavior of crack growth of polymeric materials is affected by several operating conditions such as crosshead speed, specimen thickness, load line, and specimen configurations, which reverse the behavior of crack from ... -
Solution for Equation of Two-Dimensional Transient Heat Conduction in Functionally Graded Material Hollow Sphere With Piezoelectric Internal and External Layers
(The American Society of Mechanical Engineers (ASME), 2017)In this paper, an exact solution for the equation of two-dimensional transient heat conduction in a hollow sphere made of functionally graded material (FGM) and piezoelectric layers is developed. Transient temperature ... -
Investigation of Reduction in Buckling Capacity of Cylindrical Shells Under External Pressure Due to Partially Cut Ring Stiffeners
(The American Society of Mechanical Engineers (ASME), 2017)Circumferential ring stiffeners are commonly used to improve the buckling strength of cylindrical shells. Under special circumstances, stiffener ring needs to be partially cut in order to avoid interference with vessel ...