Journal of Pressure Vessel Technology: Recent submissions
Now showing items 2841-2860 of 4506
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Validation of PSAs for Use in Risk-Monitoring Applications
(The American Society of Mechanical Engineers (ASME), 1998)The purpose of this paper is to examine the use of probabilistic safety assessment (PSA) tools for evaluating the risk significance of changing plant configurations. The focus of this examination ... -
A Sensitive Ultrasonic Approach to NDE of Tightly Closed Small Cracks
(The American Society of Mechanical Engineers (ASME), 1998)A sensitive ultrasonic technique for the quantitative nondestructive evaluation of small closed cracks is developed. The use of an oblique longitudinal wave with small angle of incidence upon ... -
Localized Autofrettage as a Design Tool for the Fatigue Improvement of Cross-Bored Cylinders
(The American Society of Mechanical Engineers (ASME), 1998)An investigation was launched into the feasibility of improving the fatigue life of thick-walled cylinders with cross-bores by using a localized autofrettage technique. This technique utilized the ... -
Cracks Emanating From an Erosion in a Pressurized Autofrettaged Thick-Walled Cylinder—Part II: Erosion Depth and Ellipticity Effects
(The American Society of Mechanical Engineers (ASME), 1998)In Part I of this paper, the effects of constant depth erosion on the mode I stress intensity factor (SIF) were determined for a crack emanating from the erosion deepest point in a pressurized, ... -
Analysis and Optimization of Bellows With General Shape
(The American Society of Mechanical Engineers (ASME), 1998)A bellows is a component in piping systems which absorbs mechanical deformation with flexibility. Its geometry is an axially symmetric shell which consists of two toroidal shells and one annular ... -
Amplification Factors for Equipment Design Subjected to Seismic Loading
(The American Society of Mechanical Engineers (ASME), 1998)A mathematical technique is developed to evaluate the seismic response of primary equipment supported directly by the main structure and also the response of secondary equipment supported by the ... -
Dynamic Response of a Hemispherical Foundation Embedded in an Elastic Half-Space
(The American Society of Mechanical Engineers (ASME), 1998)The dynamic response of a massless rigid hemispherical foundation embedded in a uniform homogeneous elastic half-space is considered in this study. The foundation is subjected to external forces, ... -
Dynamic Stress of a Liquid Metal Target Container Under Pulsed Heating
(The American Society of Mechanical Engineers (ASME), 1998)In this report, the dynamic response of a liquid metal target container for pulsed spallation neutron sources have been simulated using both a commercial code and a self-developed program. The ... -
Effects of Flaw Sizing Errors on the Reliability of Vessels and Piping
(The American Society of Mechanical Engineers (ASME), 1998)This paper describes probabilistic fracture mechanics calculations that simulate fatigue crack growth, flaw detection, flaw sizing accuracy, and the impacts of flaw acceptance criteria. The numerical ... -
Cracks Emanating From an Erosion in a Pressurized Autofrettaged Thick-Walled Cylinder—Part I: Semi-Circular and Arc Erosions
(The American Society of Mechanical Engineers (ASME), 1998)Erosion geometry effects on the mode I stress intensity factor (SIF) for a crack emanating from the erosion’s deepest point in an autofrettaged, pressurized, thick-walled cylinder are investigated. ... -
Free Vibrations of Transversely Isotropic Cylinders and Cylindrical Shells
(The American Society of Mechanical Engineers (ASME), 1998)Three displacement functions are introduced to decompose three displacement components so that the three-dimensional equations of motion of a transversely isotropic body are uncoupled. Expanding ... -
Orthotropic Shallow Spherical Shell on a Kerr Foundation
(The American Society of Mechanical Engineers (ASME), 1997)Parametric study involving foundation parameters and shell geometry is carried out for nonlinear static behavior of an orthotropic shallow spherical shell on a Kerr foundation. Study shows that ... -
Buckling Analysis of Thick-Walled Composite Pipe Under Torsion
(The American Society of Mechanical Engineers (ASME), 1997)Composite pipes have been utilized in the petrochemical industries where corrosion resistance and light weight are important. There is a need to calculate the buckling load for the pipe under ... -
On Design Formulas of U-Shaped Bellows
(The American Society of Mechanical Engineers (ASME), 1997)The applicability of the following four design formulas of the single-ply unreinforced U-shaped bellows is examined: 1) Kellogg’s formula, 2) formula of EJMA, 3) formula by Hamada and Takezono, ... -
Limit Load Analysis of Perforated Disks With Square Penetration Pattern
(The American Society of Mechanical Engineers (ASME), 1997)Limit load analysis of perforated disks with a square penetration pattern is presented. The results of limit analysis are used to obtain yield surfaces for solid material equivalent to perforated ... -
ASME Task Group Report on Primary Stress
(The American Society of Mechanical Engineers (ASME), 1997)This paper considers the subject of primary stress as applied in pressure vessel design carried out in accordance with the ASME Boiler and Pressure Vessel Code (1992). The paper is the result ... -
Unstable Sloshing Vibration in a Thin Cylindrical Weir
(The American Society of Mechanical Engineers (ASME), 1997)Traveling unstable sloshing modes have been observed in experiments on the fluidstructure coupled system in a thin cylindrical weir. The unstable vibration was found to be classified into three ... -
A Probabilistic Model for Creep-Fatigue Failure
(The American Society of Mechanical Engineers (ASME), 1997)We outline here a method for incorporating the scatter observed in creep rupture times and fatigue cycles-to-failure into a probabilistic model for creep-fatigue failure. We do this within the ... -
The Effect of Water Flow Rate Upon the Environmentally Assisted Cracking Response of a Low-Alloy Steel: Experimental Results Plus Modeling
(The American Society of Mechanical Engineers (ASME), 1997)The presence of a critical concentration of sulfides at the tip of a crack is thought to be a prerequisite for environmentally assisted cracking (EAC) in low-alloy steels. Sulfides can be ... -
Weight Functions for an External Longitudinal Semi-Elliptical Surface Crack in a Thick-Walled Cylinder
(The American Society of Mechanical Engineers (ASME), 1997)Mode I weight functions were derived for the deepest and surface points of an external radial-longitudinal semi-elliptical surface crack in a thick-walled cylinder with the ratio of the internal ...