Journal of Pressure Vessel Technology: Recent submissions
Now showing items 2781-2800 of 4506
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Decoupling Criteria for Multi-Connected Equipment
(The American Society of Mechanical Engineers (ASME), 1998)Generally, for the seismic analysis of nuclear power plant structures, requirement of coupling equipment is checked by applying USNRC decoupling criteria. This criteria is developed for the ... -
A Study of Effects of Pipe Geometry on FAD Curves for Austenitic Stainless Steel and Ferritic Steel Piping Materials
(The American Society of Mechanical Engineers (ASME), 1998)A comprehensive study of failure assessment diagrams for circumferentially surface-cracked austenitic stainless and ferritic steel pipes was conducted with the use of the finite element method ... -
Analysis of Liquid Slug Motion in a Voided Line
(The American Society of Mechanical Engineers (ASME), 1998)A quasi-two-dimensional two-phase flow cylindrical model of slug motion in a voided line is developed that can reasonably predict the change of flow pattern of the slug, air entrainment, “holdup” ... -
A Reliability Assessment Method in Strain-Based Fatigue Life Analysis
(The American Society of Mechanical Engineers (ASME), 1998)For the purpose of fatigue reliability assessment based on strain-life analysis, a family of reliability-defined ε-Nf curves, called R -ε-Nf curves, is constructed by considering the interference ... -
Fatigue Life Estimation for Internal Threads in Class 1 Components
(The American Society of Mechanical Engineers (ASME), 1998)Heat exchangers, steam generators, and other pressure vessels in nuclear power plants are equipped with bolted closures for the purpose of in-service inspection and maintenance. The ASME Boiler ... -
Limit Loads for Pipe Elbows With Internal Pressure Under In-Plane Closing Bending Moments
(The American Society of Mechanical Engineers (ASME), 1998)The purpose of this study is to determine limit loads for pipe elbows subjected to in-plane bending moments that tend to close the elbow (i.e., decrease its radius of curvature), and the ... -
Tensile Plastic Instability of Axisymmetric Pressure Vessels
(The American Society of Mechanical Engineers (ASME), 1998)This paper examines the calculated pressure at a tensile plastic instability of a pressure vessel and its relationship to burst test results. It is proposed that the instability pressure be ... -
Finite Element Stress Analysis of Tubesheets Perforated by Circular Holes in Square Pitch Pattern
(The American Society of Mechanical Engineers (ASME), 1998)ASME has accepted the codes for the tubesheets with triangular pitch pattern, but the code standards for the square pitch pattern have not been accepted so far. This is the motivation behind ... -
An Improved Split-Ring Method for Measuring the Level of Autofrettage in Thick-Walled Cylinders
(The American Society of Mechanical Engineers (ASME), 1998)A simple, yet improved, experimental method for measuring the level of autofrettage in thick-walled cylinders, such as gun barrels, is proposed. A representative ring cut from the barrel serves ... -
Evaluation of Accumulated Fatigue in Metals Due to Random Oscillating Thermal Stresses
(The American Society of Mechanical Engineers (ASME), 1998)A direct modeling calculation method was developed to improve the accuracy of metal fatigue life estimates. The procedures were developed for the evaluation of once-through steam generator tubes, ... -
Fatigue Growth Prediction of Internal Surface Cracks in Pressure Vessels
(The American Society of Mechanical Engineers (ASME), 1998)Fatigue crack growth was numerically simulated for various internal surface cracks with initially either semi-elliptical or irregular crack fronts. The simulation was directly based on a series ... -
Statistical Analysis of the ASME KIc Database
(The American Society of Mechanical Engineers (ASME), 1998)The American Society of Mechanical Engineers (ASME) KIc curve is a function of test temperature (T ) normalized to a reference nil-ductility temperature, RT NDT , namely, T – RT NDT . It ... -
Inelastic Analysis of Components Using a Modulus Adjustment Scheme
(The American Society of Mechanical Engineers (ASME), 1998)Mechanical components and structures loaded into inelastic region can fail by low cycle fatigue (LCF). Evaluation of inelastic strain is an important stage in the LCF life prediction methodology. ... -
On Generation of Ultra-High Pressure by Converging of Underwater Shock Waves
(The American Society of Mechanical Engineers (ASME), 1998)The characteristics of a new assembly for the shock consolidation of difficult-to-consolidate powders, such as inter-metallic compounds or ceramic materials, were investigated by both the experimental ... -
A Unified 3-D Homogenization Model of Beam Bundle in Fluid
(The American Society of Mechanical Engineers (ASME), 1998)A 3-D homogenization model is developed to predict the overall dynamic property of a beam bundle immersed in an acoustic fluid. It is shown that the existing two models, given by Benner and ... -
An Acetylene Gas Cylinder Explosion
(The American Society of Mechanical Engineers (ASME), 1998)This paper considers the failure of an acetylene gas cylinder which occurred under extreme loading conditions resulting in severe fragmentation of the cylinder. The characteristics of the failure ... -
A Simple Method for Fluid-Structure Interaction Analysis Under Cavitation Condition
(The American Society of Mechanical Engineers (ASME), 1998)In fluid-structure interaction problems, many studies are done by linear formulations. But severe loading may cause cavitation that shows nonlinear behavior. In handling cavitation phenomena, a ... -
Effects of LWR Coolant Environments on Fatigue Lives of Austenitic Stainless Steels
(The American Society of Mechanical Engineers (ASME), 1998)Fatigue tests have been conducted on Types 304 and 316NG stainless steels to evaluate the effects of various material and loading variables, e.g., steel type, strain rate, dissolved oxygen (DO) ... -
Effects of Repair Weld Residual Stresses on Wide-Panel Specimens Loaded in Tension
(The American Society of Mechanical Engineers (ASME), 1998)As a part of the welding fabrication procedure development for the next generation space shuttle external tank, aluminum-lithium wide-panel specimens were used to assess the interactions between ... -
Flow-Induced Wear in Steam Generator Tubes—Prediction Versus Operational Experience
(The American Society of Mechanical Engineers (ASME), 1998)Many nuclear steam generators have accumulated more than 10 effective-full-power-years of operation. Eddy-current inspections revealed that a number of these steam generator tubes, notably those ...