Journal of Pressure Vessel Technology: Recent submissions
Now showing items 1541-1560 of 4506
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Revisiting ASME Strain-Based Dent Evaluation Criterion
(The American Society of Mechanical Engineers (ASME), 2012)Oil and gas transmission pipelines can be subjected to concentrated lateral loads and as a result, a dent can form. A dent is a localized defect in the pipe wall in the form of a permanent ... -
An Empirical Formula for Stress Intensity Factors of Double Edge Half-Circular-Hole Cracks in a Rectangular Sheet in Tension
(The American Society of Mechanical Engineers (ASME), 2012)This note deals with the stress intensity factors (SIFs) for double edge half-circular-hole cracks in a rectangular sheet in tension by means of the displacement discontinuity method with crack-tip ... -
Sloshing Response of Floating Roofed Liquid Storage Tanks Subjected to Earthquakes of Different Types
(The American Society of Mechanical Engineers (ASME), 2012)Using extended Hamiltonian variational principle, the governing equations for sloshing response of floating roofed storage tanks are derived. The response of the floating roofed storage tanks is ... -
Fuel Power Density
(The American Society of Mechanical Engineers (ASME), 2012)Energy is transported over land primarily by electric power transmission lines and by pipelines carrying gas or liquid fuel. Pipelines today carry fossil fuels, but in future will carry renewable ... -
Review of Corrosion Role in Gas Pipeline and Some Methods for Preventing It
(The American Society of Mechanical Engineers (ASME), 2012)Nowadays, pipelines are the most important transportation artery and researches indicate that the pipelines will be a secure tool for energy transmission for over 50 years, which is more ... -
Safety Evaluation of Branch Pipe in Hydropower Station Using Elastic Modulus Reduction Method
(The American Society of Mechanical Engineers (ASME), 2012)The high pressure branch pipe in hydropower station (BPHS) is usually composed by different materials in different parts and has complicated geometric configurations. The accurate and efficient ... -
Statistical Sampling for In-Service Inspection of Underground Storage Tanks (PVP2011-57011)
(The American Society of Mechanical Engineers (ASME), 2012)Savannah River Remediation, LLC (SRR) is implementing a statistical sampling strategy for in-service inspection (ISI) of liquid waste (LW) tanks at the United States Department of Energy’s Savannah ... -
Extracting Quantitative Information on Pipe Wall Damage in Absence of Clear Signals From Defect
(The American Society of Mechanical Engineers (ASME), 2012)It has been well established that guided waves are sensitive to structural damages encountered on their path of propagation and for this reason this technique is very efficient for distinguishing ... -
Improved Incremental J-Integral Equations for Determining Crack Growth Resistance Curves
(The American Society of Mechanical Engineers (ASME), 2012)The J-integral resistance curve is the most important material properties in fracture mechanics that is often used for structural integrity assessment. ASTM E1820 is a commonly accepted fracture ... -
Probabilistic Transgranular Stress Corrosion Cracking Analysis for Oil and Gas Pipelines
(The American Society of Mechanical Engineers (ASME), 2012)The crack morphology of transgranular stress corrosion cracking (TGSCC) suggests that the mechanism of growth and the condition at which TGSCC occur is different than that of intergranular stress ... -
Optimization of Pipe Repair Sleeve Design
(The American Society of Mechanical Engineers (ASME), 2012)For the repair of pipeline defects, repair sleeves are the most widely used method in petrochemical industry. The objective of this work was to optimize the thickness of nonpressure containing ... -
Residual Stress Measurements in an Autofrettage Tube Using Hole Drilling Method
(The American Society of Mechanical Engineers (ASME), 2012)Relieved strains due to drilling hole in a ring sample cut from an autofrettage cylinder are measured. Measured strains are then transformed to residual stresses using calibration constants and ... -
Equivalent CTOD Ratio β for Engineering Assessment of CTOD Correction for Constraint Loss
(The American Society of Mechanical Engineers (ASME), 2012)The critical CTOD δWP for structural components associated with plastic constraint loss in case of the brittle fracture over small-scale yielding condition can be corrected from CTOD fracture ... -
Influence Coefficients of Stress Intensity Factors for Curved Tubing With a Semi-Elliptical Crack
(The American Society of Mechanical Engineers (ASME), 2012)The boundary element method is employed to determine polynomial influence coefficients of stress intensity factors, KI , for a semi-elliptical crack in internally pressurized thick-walled curved ... -
Finite Element Study on the Optimization of an Orthotropic Composite Toroidal Shell
(The American Society of Mechanical Engineers (ASME), 2012)In this research, an analysis technique is developed to model orthotropic composite toroids and optimize the fiber layup, accounting for the natural variation in thickness due to fiber stacking. ... -
Implementing Realistic, Nonlinear, Material Stress–Strain Behavior in ANSYS for the Autofrettage of Thick-Walled Cylinders
(The American Society of Mechanical Engineers (ASME), 2012)High-pressure vessels are autofrettaged to introduce favorable, compressive, residual stresses around their inner diameters. The efficacy of autofrettage is limited by a phenomenon called the ... -
Paris Fatigue Life Modeling of Pressure Vessel Service Simulation Tests
(The American Society of Mechanical Engineers (ASME), 2012)Results from four groups of full-scale pressure vessel service simulation tests are described and analyzed using Paris fatigue life modeling. The objective is to determine how the vessel and ... -
Investigation of Driving Force Variation During Swage Autofrettage, Using Finite Element Analysis
(The American Society of Mechanical Engineers (ASME), 2012)Swaging is one method of autofrettage, a means of prestressing high-pressure vessels to increase their fatigue lives and load bearing capacity. Swaging achieves the required deformation through ... -
Natural Crack Growth Analyses for Circumferential and Axial PWSCC Defects in Dissimilar Metal Welds
(The American Society of Mechanical Engineers (ASME), 2012)The natural crack growth analysis (sometimes referred to as advanced finite element analysis (AFEA)) methodology has been developed by the US NRC and the nuclear industry to evaluate the natural ... -
Design Limits for Buckling in the Creep Range
(The American Society of Mechanical Engineers (ASME), 2012)A methodology is introduced for calculating the allowable buckling stress in equipment operating in the time-dependent (creep) range. Norton's equation coupled with various procedures such as ...