Journal of Pressure Vessel Technology: Recent submissions
Now showing items 1121-1140 of 4506
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Study on Minimum Wall Thickness Requirement for Seismic Buckling of Reactor Vessel Based on System Based Code Concept
(The American Society of Mechanical Engineers (ASME), 2015)The minimum wall thickness required to prevent seismic buckling of a reactor vessel (RV) in a fast reactor is derived using the system based code (SBC) concept. One of the key features of SBC concept is margin optimization; ... -
Deformation Versus Modified J Integral Resistance Curves for Ductile Materials
(The American Society of Mechanical Engineers (ASME), 2015)The Jintegral resistance curve (or JR curve) is an important fracture property of materials and has gained broad applications in assessing the fracture behavior of structural components. Because the Jintegral concept was ... -
A Thermal Stress Mitigation Technique for Local Postweld Heat Treatment of Welds in Pressure Vessels
(The American Society of Mechanical Engineers (ASME), 2015)This paper introduces a novel method for effectively mitigating high thermal stresses caused during local postweld heat treatment (PWHT) of welds in pressure vessels on which traditional heating method such as bull's eye ... -
Fracture Toughness Evaluation of Reactor Pressure Vessel Steels by Master Curve Method Using Miniature Compact Tension Specimens
(The American Society of Mechanical Engineers (ASME), 2015)We conducted fracture toughness testing on five types of commercially manufactured steel with different ductiletobrittle transition temperatures. This was performed using specimens of different sizes and shapes, including ... -
On the Modified Monotonic Loading Concept for the Calculation of the Cyclic J Integral
(The American Society of Mechanical Engineers (ASME), 2015)This paper investigates an approach for calculating the cyclic Jintegral through a new industrial application. A previously proposed method is investigated further with the extension of this technique through a new application ... -
Transient Heat Transfer of a Hollow Cylinder Subjected to Periodic Boundary Conditions
(The American Society of Mechanical Engineers (ASME), 2015)The purpose of this paper is to study the transient temperature responses of a hollow cylinder subjected to periodic boundary conditions, which comprises with a short heating period (a few milliseconds) and a relative long ... -
Methodology for Assessment of Surface Defects in Undermatched Pipeline Girth Welds
(The American Society of Mechanical Engineers (ASME), 2015)The demand for subsea transport of highly corrosive constituents has noticeably increased in recent years. This has driven the requirement for high strength pipelines with enhanced corrosion resistance such as chromium ... -
An Approach for a Statistical Evaluation of Uncertainty in Assessing Fatigue Usage Including Environmental Effects
(The American Society of Mechanical Engineers (ASME), 2015)The assessment for adequacy in managing the effects of fatigue in the ASME Code Class1 (pressure boundary) components is based on a calculated measure of the projected fatigue damage. This measure is the highest cumulative ... -
Crude Oil Corrosion Fatigue of L485MB Pipeline Steel
(The American Society of Mechanical Engineers (ASME), 2015)An investigation was made into the fatigue properties of L485MB (X70) pipeline steel after 13 yr of exploitation as a crude oil pipeline material. Fatigue tests in zerototension loading were carried out (i) in air, (ii) ... -
Development of Stress Intensity Factors for Surface Cracks With Large Aspect Ratio in Plates
(The American Society of Mechanical Engineers (ASME), 2015)A number of surface cracks with large aspect ratio have been detected in components of nuclear power plants (NPPs) in recent years. The depths of these cracks are even larger than the half of crack lengths. When a crack ... -
Aeroacoustic Response of a Single Cylinder With Straight Circular Fins in Cross Flow
(The American Society of Mechanical Engineers (ASME), 2015)The phenomenon of sound generation has been investigated in some detail for the case of bare cylinders; however, the effect of adding fins to the cylinder on the flow–sound interaction mechanism is not yet fully understood. ... -
Hydrostatic Implosion of GFRP Composite Tubes Studied by Digital Image Correlation
(The American Society of Mechanical Engineers (ASME), 2015)The mechanisms and pressure fields associated with the hydrostatic implosion of glass fiber reinforced polymer (GFRP) tubes with varying reinforcement are investigated using highspeed photography. Experiments are conducted ... -
Use of the Failure Assessment Diagram to Evaluate the Safety of the Reactor Pressure Vessel
(The American Society of Mechanical Engineers (ASME), 2015)Analysis of multiple failure modes is the key element of the integrity evaluation of the nuclear reactor pressure vessel (RPV). While the simple singlecriterion failure code provides the guidance for structural integrity, ... -
Local Limit Load Analytical Model for Thick Walled Pipe With Axial Surface Defect
(The American Society of Mechanical Engineers (ASME), 2015)Based on the previous limit load analytical modeling for cracked thinwalled pipe (Orynyak, I. V., 2006, “Leak and Break Models of Pressurized Pipe With Axial Defects,†Proceedings of the 6th International Pipeline ... -
Failure Prediction of Pressure Vessels Using Finite Element Analysis
(The American Society of Mechanical Engineers (ASME), 2015)This paper investigates using nonlinear finite element analysis (FEA) to determine the failure pressure and failure location for pressure vessels. The method investigated by this paper is to predict the pressurevessel ... -
Stress Analysis of Packed Stuffing Boxes
(The American Society of Mechanical Engineers (ASME), 2015)Packed stuffingboxes are mechanical sealing systems that are extensively used in pressurized equipment such as valves and pumps. Yet there is no standard design procedure in use to verify their mechanical integrity and ... -
A Review of State of the Art Methods for Pressure Vessels Design Against Progressive Deformation
(The American Society of Mechanical Engineers (ASME), 2015)Progressive plastic deformation is one of the damage mechanisms which can occur in pressure vessels subjected to cyclic loading. For design applications, the main rule proposed by codes against this failure mode is the ... -
Stress Concentration of Periodic Collinear Square Holes in an Infinite Plate in Tension
(The American Society of Mechanical Engineers (ASME), 2015)A numerical approach for the stress concentration of periodic collinear holes in an infinite plate in tension is presented. It involves the fictitious stress method and a generalization of Bueckner's principle. Numerical ... -
Fast Computation Based on an Iterative Substructure Method for Three Dimensional Simulation of Multipass Welding
(The American Society of Mechanical Engineers (ASME), 2015)An efficient and reliable numerical analysis for threedimensional (3D) multipass welding simulation is proposed in this paper. A fast analysis method to calculate 3D residual stress distribution in the multipass welds using ... -
The “Spectrum Dipâ€: Dynamic Interaction of System Components
(The American Society of Mechanical Engineers (ASME), 2015)In the early 1960s, many full sized surface combatants, submarines and structural models were tested with underwater explosions in order to evaluate the shock load to the ship and internal equipment structures. Initially, ...