Journal of Pressure Vessel Technology: Recent submissions
Now showing items 2601-2620 of 4506
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Bolt Head Fillet Stress Concentration Factors in Cylindrical Pressure Vessels
(The American Society of Mechanical Engineers (ASME), 2001)Linear three-dimensional finite element analysis (FEA) was performed on bolted pressure vessel joints to determine maximum stresses and stress concentration factors in the bolt head fillet as a ... -
Effects of Prestrain on Fracture Toughness and Fatigue-Crack Growth of Line Pipe Steels
(The American Society of Mechanical Engineers (ASME), 2001)Crack-tip-opening displacement (CTOD) and fatigue-crack growth tests were conducted for several line pipe steels with uniaxial tensile or compressive prestrain, εpr. Critical CTOD decreased with ... -
High-Temperature Corrosion of Martensite Alloy Under Oil Shale Fly Ash
(The American Society of Mechanical Engineers (ASME), 2001)Superheater surfaces in oil shale steam boilers, constructed from pearlitic or austenitic alloys, are subject to intensive corrosion, primarily from the presence of chlorine in external deposits. ... -
Fracture Toughness Requirements for ASME Section VIII Vessels for Temperatures Colder Than 77K
(The American Society of Mechanical Engineers (ASME), 2001)Earlier research work conducted at MIT and NIST indicated that CVN specimens with an initial temperature at or near 4K (−452°F) actually fracture at temperatures significantly above 4K due ... -
Buckling Criteria for Torispherical Heads Under Internal Pressure
(The American Society of Mechanical Engineers (ASME), 2001)The results of 190 model tests and failures of five torispherical heads in service are analyzed in this paper. Seventy-two of the heads failed by buckling of the knuckle and 17 of the heads ... -
On the Nonlinear Response of Piping to Seismic Loads
(The American Society of Mechanical Engineers (ASME), 2001)The response of a piping system to extreme seismic conditions may be controlled and limited by yielding of the structure. The effect of yielding has been found to be decisive for individual ... -
DQFEM Analyses of Static and Dynamic Nonlinear Elastic-Plastic Problems Using a GSR-Based Accelerated Constant Stiffness Equilibrium Iteration Technique
(The American Society of Mechanical Engineers (ASME), 2001)An integrated numerical technique for static and dynamic nonlinear structural problems adopting the equilibrium iteration is proposed. The differential quadrature finite element method (DQFEM), which ... -
Comparison of the Predictions Relying on Coupled/Uncoupled Damage-Viscoplasticity Models for Creep Test Analyses
(The American Society of Mechanical Engineers (ASME), 2001)To enhance the assessment of reactor pressure vessel life under severe accident, a cooperative research program is conducted between CEA, EDF, and Framatome, parts of which are supported by the ... -
Technical Basis for ASME Section VIII Code Case 2235 on Ultrasonic Examination of Welds in Lieu of Radiography
(The American Society of Mechanical Engineers (ASME), 2001)In 1996, Code Case 2235, which allows ultrasonic examination of welds in lieu of radiography for ASME Section VIII Division 1 and Division 2 vessels, was approved by the ASME B&PV Code ... -
High-Cycle Thermal Fatigue Crack Initiation and Growth Behavior in a Semi-Infinite Plate Model
(The American Society of Mechanical Engineers (ASME), 2001)At a T-junction in piping system, hot and cold water mixes in a whirl. The vibrating mixing boundary between the hot and cold water causes a temperature fluctuation on the inner surface of ... -
The Influence of Multiple Axial Erosions on the Fatigue Life of Autofrettaged Pressurized Cylinders
(The American Society of Mechanical Engineers (ASME), 2001)Erosion geometry effects on the mode I stress intensity factor (SIF) for a crack emanating from an erosion’s deepest point in a multiply eroded, autofrettaged, pressurized, thick-walled cylinder ... -
Limit Pressures of Cylindrical and Spherical Shells
(The American Society of Mechanical Engineers (ASME), 2001)Tresca limit pressures for long cylindrical shells and complete spherical shells subjected to arbitrary pressure, and several approximations to the exact limit pressures for limited pressure ranges, ... -
Finite Element Simulation of Bolt-Up Process of Pipe Flange Connections
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Prediction of Radiative Heat Transfer in Industrial Equipment Using the Radiation Element Method
(The American Society of Mechanical Engineers (ASME), 2001)The radiation element method by ray emission method, REM2, has been formulated to predict radiative heat transfer in three-dimensional arbitrary participating media with nongray and anisotropically ... -
Computational Design of Vibration Pumping Device for Artificial Heart
(The American Society of Mechanical Engineers (ASME), 2001)To develop the prototype vibration pumping device for an artificial heart (Hashimoto et al., 1994, ASME J. Fluids Eng., 116 , pp. 741–745), the flow patterns in the casing were analyzed ... -
Autofrettage of Open-End Tubes—Pressures, Stresses, Strains, and Code Comparisons
(The American Society of Mechanical Engineers (ASME), 2001)Autofrettage is used to introduce advantageous residual stresses into pressure vessels. The Bauschinger effect can produce less compressive residual hoop stresses near the bore than are predicted ... -
An Elastic-Perfectly Plastic Flow Model for Finite Element Analysis of Perforated Materials
(The American Society of Mechanical Engineers (ASME), 2001)This paper describes the formulation of an elastic-perfectly plastic flow theory applicable to equivalent solid (EQS) modeling of perforated materials. An equilateral triangular array of circular ... -
Rapid, Wide-Field Measurements of Complex Transient Shell Vibrations
(The American Society of Mechanical Engineers (ASME), 2001)The mapping and evaluation of complex vibrational fields is often highly desirable in the pressure vessel and piping industry. It is also tedious and expensive using conventional technology such ... -
Time-Accurate, 3-D Computation of Wire Sweep During Plastic Encapsulation of Electronic Components
(The American Society of Mechanical Engineers (ASME), 2001)A computational technique is developed for accurate prediction of wire sweep during encapsulation of electronic components by transfer molding. The technique advances the current state-of-the-art ... -
Acoustic Fatigue of a Steam Dump Pipe System Excited by Valve Noise
(The American Society of Mechanical Engineers (ASME), 2001)The steam dump system in Gentilly Nuclear Power Plant consists of four parallel steam pipes, each of which comprises a steam control valve. Two pipes of this system experienced high-cycle ...