Journal of Pressure Vessel Technology: Recent submissions
Now showing items 1141-1160 of 4506
-
Development of Creep–Fatigue Evaluation Method for 316FR Stainless Steel
(The American Society of Mechanical Engineers (ASME), 2015)In the design of fast reactor plants, the most important failure mode to be prevented is creep–fatigue damage at elevated temperatures. 316FR stainless steel is a candidate material for the reactor vessel and internal ... -
Framework for Key Influences on Tensile Strain Capacity of Flawed Girth Welds
(The American Society of Mechanical Engineers (ASME), 2015)A key influence factor in the strainbased assessment of pipeline girth weld flaws is weld strength mismatch. Recent research has led to a framework for tensile strain capacity as a function of weld flow stress (FS) overmatch. ... -
Residual Stress in the Welding Joint of Layered Cylindrical Vessels Including the Weld Clad Effect
(The American Society of Mechanical Engineers (ASME), 2015)Layered cylindrical vessels are widely used in process industries. The weld clad is applied before the girth welding of layeredtolayered sections. In this paper, a numerical method was used to predict residual stresses in ... -
Neutron Diffraction Measurement and Numerical Simulation to Study the Effect of Repair Depth on Residual Stress in 316L Stainless Steel Repair Weld
(The American Society of Mechanical Engineers (ASME), 2015)Welding is often used to repair the defects in pressure vessels and piping, but residual stresses are generated inevitably and have a great effect on structure integrity. According to the defect size, different repair depth ... -
Fatigue Stress Evaluation at Shell to Bottom Joint With Double Plastic Hinge in Elevated Temperature Steel Tanks on Concrete Ring Walls
(The American Society of Mechanical Engineers (ASME), 2015)The shelltobottom joint of hydrocarbon storage tanks is a critical location which may experience fatigue cracking and requires evaluation of the local cyclic stresses especially in the case of elevated temperature tanks. ... -
Low Cycle Fatigue Evaluation of Pipe Bends With Local Wall Thinning Considering Multi Axial Stress State
(The American Society of Mechanical Engineers (ASME), 2015)Low cycle fatigue tests and finite element (FEM) analysis were conducted using 100A pipe bend specimens made of STPT410 carbon steel with and without local wall thinning local wall thinning was machined on the inside of ... -
Seismic Design of a Double Deck Floating Roof Type Used for Liquid Storage Tanks
(The American Society of Mechanical Engineers (ASME), 2015)Sloshing response of a cylindrical liquid storage tank with the double deck type floating roof (DDFR) subjected to seismic excitation is considered in this paper. The aim of the paper is to clarify the significant parameters ... -
Simulation of Stress Corrosion Cracking in In Core Monitor Housing of Nuclear Power Plant
(The American Society of Mechanical Engineers (ASME), 2015)In the incore monitor (ICM) housing of a reactor pressure vessel (RPV), residual stress has been widely reported to cause stress corrosion cracking (SCC) damage in the weld heataffected zone. For this reason, it is important ... -
The Bauschinger Effect's Influence on the Stress Intensity Factors of a Semi Elliptical Crack Emanating From an Erosion at the Bore of a Fully Autofrettaged Pressurized Cylinder
(The American Society of Mechanical Engineers (ASME), 2015)The benefits of autofrettage for thickwalled cylindrical vessels as a means of improving the vessel's durability and sustainability have been addressed in the published literature. However, the presence of the Bauschinger ... -
Estimation of Stress Corrosion Cracking Growth Behavior Under Weld Residual Stress in the Bottom of a Reactor Pressure Vessel by Finite Element Analysis
(The American Society of Mechanical Engineers (ASME), 2015)A method for evaluating crack growth by repeatedly modeling and analyzing the transitional crack shapes is developed for a general computing environment in which a commercial finite element preprocessor and analysis code ... -
Local and Global Reference Stress for Circumferential Irregular Shaped Defects in Pipes
(The American Society of Mechanical Engineers (ASME), 2015)Numerical procedures for calculation of reference stresses for pipelines with circumferential defects, based on simulation of global and local ultimate plastic states, are proposed. There are some peculiarities of proposed ... -
Fully Plastic Strain Based J Estimation Scheme for Circumferential Surface Cracks in Pipes Subjected to Reeling
(The American Society of Mechanical Engineers (ASME), 2015)Modern installation techniques for marine pipelines and subsea risers are often based on the reellay method, which introduces significant (plastic) strains on the pipe during reeling and unreeling. The safe assessment of ... -
Consideration of Geometric Imperfections in Three Dimensional Finite Element Model Analysis of Stiffened Steel Liners Subjected to External Pressure
(The American Society of Mechanical Engineers (ASME), 2015)The availability of tools for safety evaluation of a pressure liner is a relevant issue in both structural and hydraulic engineering. A suitable design of a steel liner may involve a significant reduction in the investment ... -
Transient Thermal Hydraulic Responses of the Nuclear Steam Generator Secondary Side to a Main Steam Line Break1
(The American Society of Mechanical Engineers (ASME), 2015)This paper presents a multidimensional numerical analysis of the transient thermalhydraulic response of a steam generator (SG) secondary side to a doubleended guillotine break of the main steam line attached to the SG at ... -
Estimating Lower Bound Limit Loads for Structures Subjected to Multiple Loads
(The American Society of Mechanical Engineers (ASME), 2015)It is shown that the extended variational theorem of Mura et al. (1965, “Extended Theorems of Limit Analysis,†Q. Appl. Math., 23(2), pp. 171–179) can be applied to structures subjected to more than one load and be ... -
Study on Flaw to Surface Proximity Rule for Transforming Subsurface Flaws to Surface Flaws Based on Fatigue Crack Growth Experiments
(The American Society of Mechanical Engineers (ASME), 2015)If a subsurface flaw is located very near a component surface, the subsurface flaw is categorized as a surface flaw. The boundary of the subsurface and surface flaws is required for flaw evaluation. The subsurface flaw is ... -
Collective Effect of Fluid's Coriolis Force and Nanoscale's Parameter on Instability Pattern and Vibration Characteristic of Fluid Conveying Carbon Nanotubes
(The American Society of Mechanical Engineers (ASME), 2015)In the present work, the effects of nanoscale parameter and Coriolis force together are investigated on vibrating eigenvalues of fluidconveying carbon nanotube (CNT). A nonlocal Timoshenko beam and a plug flow model are ... -
A New Crescent Shaped Wear Equation for Calculating Collapse Strength of Worn Casing Under Uniform Loading
(The American Society of Mechanical Engineers (ASME), 2015)During the practice of oil and gas drilling and exploration, the casing wear became more and more serious and well known. A crescentshaped wear pattern is the major wear type and leads to decrease of casing collapse strength. ... -
Effect of Impact Pressure on Reducing the Weld Residual Stress by Water Jet Peening in Repair Weld to 304 Stainless Steel Clad Plate
(The American Society of Mechanical Engineers (ASME), 2015)Stainless steel clad plate manufactured by explosive bonding is widely used in the chemical industry, but cracks are often initiated in the clad layer. Repair welding is a popular method to repair the cracked zone. But ... -
Support Flexibility and Natural Frequencies of Pipe Mounted Thermowells
(The American Society of Mechanical Engineers (ASME), 2015)A simplified model of a pipe mounted thermowell provides a measure of insight into the design and application of intrusive pipe fittings. A combination of Fourier and Green’s function methods together with a distributed ...