Journal of Pressure Vessel Technology: Recent submissions
Now showing items 2381-2400 of 4506
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Two-Dimensional Finite Element Analysis for Large Diameter Steel Flanges
(The American Society of Mechanical Engineers (ASME), 2004)This paper presents numerical results obtained using Finite Element Analysis (FEA) in studying large diameter welded neck steel flanges under different loading conditions. Obtained FEA results ... -
Stress Intensity Factor of a Circumferential Crack in a Thick-Walled Cylinder Under Thermal Striping
(The American Society of Mechanical Engineers (ASME), 2004)This paper tries to explain the interesting field data that indicate a surface axisymmetric circumferential crack inside a hollow cylinder (circumferential crack) shows tendency toward crack arrest, ... -
Stability of Vertically Bent Pipelines Buried in Sand
(The American Society of Mechanical Engineers (ASME), 2004)This paper discusses the stability of underground pipelines with preformed vertical bends buried in sandy soil. More specifically, the minimum cover height required to prevent the pipe from ... -
Determination of Discharge Coefficients for Hydraulic Sparger Design
(The American Society of Mechanical Engineers (ASME), 2004)This paper provides design examples and summarizes a study on the determination of multiple free discharge orifice coefficients in a circular walled manifold for a variety of shapes and area ... -
Fatigue Crack Propagation Rates for Notched 304 Stainless Steel Specimens In Elevated Temperature Water
(The American Society of Mechanical Engineers (ASME), 2004)Fatigue crack propagation (FCP) rates for 304 stainless steel (304 SS) were determined in 24°C and 288°C air and 288°C water with 20–60 cc H2/kg H2O using double-edged notch (DEN) ... -
Thermoelastic Stresses in an Axisymmetric Thick-Walled Tube Under an Arbitrary Internal Transient
(The American Society of Mechanical Engineers (ASME), 2004)A closed-form axisymmetric solution was derived for the transient thermal-stress fields developed in thick-walled tubes subjected to an arbitrary thermal loading on the internal surface with ... -
Residual Stress Induced by Waterjet Peening: A Finite Element Analysis
(The American Society of Mechanical Engineers (ASME), 2004)The concept of multiple droplet impacts resulting from ultra high-pressure waterjet (UHPWJ) was used to develop a mathematical model to describe the effect of interfacial pressure on the underlying ... -
Residual Stress of Thin-Wall Pipe Subjected to Axisymmetric Plastic Expansion
(The American Society of Mechanical Engineers (ASME), 2004)A straight pipe was expanded at one end by inserting a rigid disk. The residual stress measured at the inner surface shows a strong tensile peak beyond the region where the pipe was directly ... -
A Modified Power Law for Creep Analysis
(The American Society of Mechanical Engineers (ASME), 2004)The creep strengths for an annealed Ni-33Fe-25Cr alloy, UNS N08120 (HAYNES® HR-120® alloy) are presented from 593°C to 1204°C at every 56°C for lives up to 30,000 hours. ... -
Closed-Form Collapse Moment Equations of Throughwall Circumferentially Cracked Elbows Subjected to In-Plane Bending Moment
(The American Society of Mechanical Engineers (ASME), 2004)A large throughwall circumferential crack in an elbow subjected to in-plane bending moment can significantly reduce its collapse load. Therefore, it is very important to know the collapse moment ... -
Comparison of Fracture Response of Preflawed Tubes Under Internal Static and Detonation Loading
(The American Society of Mechanical Engineers (ASME), 2004)The role of loading rate and fluid properties in the fracture of piping under internal explosions is an important issue for designers and accident analysis. This was examined by fracture ... -
Study on Analytical Model of Nonlinear Vibration for Elastic Plates With Gaps Under Random Waves
(The American Society of Mechanical Engineers (ASME), 2004)In this paper, an analytical model for the nonlinear elastic-plastic vibration for long plates with gaps subjected to random vibrations is considered. The nonlinear vibration is caused by the ... -
On Relevant Ramberg-Osgood Fit to Engineering Nonlinear Fracture Mechanics Analysis
(The American Society of Mechanical Engineers (ASME), 2004)The present paper proposes a robust method for the Ramberg-Osgood (R-O) fit to accurately estimate elastic-plastic J from the engineering fracture mechanics analysis based on deformation plasticity. ... -
Parallel Hybrid Algorithm for Three-Dimensional Elastic Wave Scattering in Steel Pipes
(The American Society of Mechanical Engineers (ASME), 2004)A parallel computational algorithm that models three-dimensional elastic wave scattering in an infinite pipe is introduced. The algorithm combines two procedures: a Wave Function Expansion (WFE) ... -
Surface and Bulk Residual Stress in Ti6Al4V Welded Aerospace Tanks
(The American Society of Mechanical Engineers (ASME), 2004)The residual stress (RS) in two curved plates cut from a large welded propellant tank for spacecrafts was investigated nondestructively by neutron and laboratory x-ray diffraction. Each plate ... -
The Effect of D/T on the Load Interaction Behavior of a Plain Pipe
(The American Society of Mechanical Engineers (ASME), 2004)The objective of the study is to determine the effect of diameter/thickness (D/T) ratio on the interaction of axial force, bending moment, torsion and internal pressure in plain pipes. The ... -
C-Specimen Fracture Toughness Testing: Effect of Side Grooves and η Factor
(The American Society of Mechanical Engineers (ASME), 2004)Elastic-plastic crack front fields in arc-shaped tension specimens (C-specimens) were analyzed by a three-dimensional finite element method. The effect of side grooves on the ductile fracture ... -
Damping of Heat Exchanger Tubes in Two-Phase Flow: Review and Design Guidelines
(The American Society of Mechanical Engineers (ASME), 2004)Two-phase flow exists in many shell-and-tube heat exchangers such as condensers, evaporators, and nuclear steam generators. Some knowledge on tube damping mechanisms is required to avoid flow-induced ... -
A New Approach to Evaluate Fracture Toughness of Structural Materials
(The American Society of Mechanical Engineers (ASME), 2004)A new method, designated as Spiral Notch Torsion Test (SNTT), is developed recently to measure the intrinsic fracture toughness (KIC) of structural materials. The SNTT overcomes many of the ... -
Failure Assessment on Tensile Cracked Specimens of Aluminum Alloys
(The American Society of Mechanical Engineers (ASME), 2004)A three-parameter fracture criterion is applied to correlate fracture data from tensile cracked plates made of aluminum alloys. Fracture parameters to generate the failure assessment diagram are ...