Journal of Pressure Vessel Technology: Recent submissions
Now showing items 1821-1840 of 4506
-
Stifling of Crevice Corrosion in Alloy 22 During Constant Potential Tests
(The American Society of Mechanical Engineers (ASME), 2009)Artificially creviced Alloy 22 (N06022) may be susceptible to crevice corrosion in the presence of high-chloride aqueous solutions, especially at higher temperatures and at anodic potentials. The ... -
Initiation and Arrest of Delayed Hydride Cracking in Zr–2.5Nb Tubes
(The American Society of Mechanical Engineers (ASME), 2009)Using Kim’s delayed hydride cracking (DHC) model, this study reanalyzes the critical temperatures for DHC initiation and arrest in Zr–2.5Nb tubes that had previously been investigated with the ... -
Root Cause Analysis of SI Nozzle Thermal Sleeve Breakaway Failures Occurring at PWR Plants
(The American Society of Mechanical Engineers (ASME), 2009)At conventional pressurized water reactors (PWRs), cold water stored in the refueling water tank of emergency core cooling system is injected into the primary coolant system through a safety ... -
Prediction of Flow-Induced Vibrations in Tubular Heat Exchangers—Part II: Experimental Investigation
(The American Society of Mechanical Engineers (ASME), 2009)It has become evident that the modeling of the complex dynamics of fluidelastic forces that give rise to vibrations of tube bundles requires a great deal of experimental insight. Accordingly, ... -
Analytical Modeling of Hydraulically Expanded Tube-To-Tubesheet Joints
(The American Society of Mechanical Engineers (ASME), 2009)The loss of the initial tightness during service is one of the major causes of failure of tube-to-tubesheet joints. The initial residual contact pressure and its variation during the lifetime ... -
Probabilistic Prediction of Crack Depth Distributions Observed in Structures Subjected to Thermal Fatigue
(The American Society of Mechanical Engineers (ASME), 2009)The application of risk-based technologies not only to in-service inspections but also to the design of components and systems, encompassing a plant life-cycle, is the way to be pursued for ... -
Prediction of Flow-Induced Vibrations in Tubular Heat Exchangers—Part I: Numerical Modeling
(The American Society of Mechanical Engineers (ASME), 2009)Flow-induced vibrations due to crossflow in the shell side of heat exchangers pose a problem of major interest to researchers and practicing engineers. Tube array vibrations may lead to tube ... -
Numerical Simulation of Subcooled Flow Boiling Heat Transfer in Helical Tubes
(The American Society of Mechanical Engineers (ASME), 2009)This paper addresses the numerical simulation of two-phase flow heat transfer in the helically coiled tubes of an integral type pressurized water reactor steam generator under normal operation ... -
Interaction Between Acoustic Resonance and Fluidelastic Instability in a Normal Triangular Tube Array
(The American Society of Mechanical Engineers (ASME), 2009)The interaction between acoustic resonance and damping controlled fluidelastic instability (FEI) in a normal triangular tube array (P∕d=1.32) has been investigated. The duct acoustics were excited ... -
Finite Element Analysis and Experimental Investigation of Tubesheet Structure
(The American Society of Mechanical Engineers (ASME), 2009)In order to investigate the possibility of numerical simulation for whole structures of heat exchangers, two finite element analysis models have been established for the fixed tubesheet structure ... -
Effect of Precompression on Ovality of Pipe After Bending
(The American Society of Mechanical Engineers (ASME), 2009)Ovality is a main defect in all pipe bending techniques. An objective of the work is to control ovality in pipe bending. A new concept is suggested for reducing the flattening or ovality. ... -
Shakedown of a Thick Cylinder With a Radial Crosshole
(The American Society of Mechanical Engineers (ASME), 2009)The shakedown behavior of a thin cylinder subject to constant pressure and cyclic thermal loading is described by the well known Bree diagram. In this paper, the shakedown and ratchetting ... -
Semi-Infinite Target Penetration by Ogive-Nose Penetrators: ALEGRA/SHISM Code Predictions for Ideal and Nonideal Impacts
(The American Society of Mechanical Engineers (ASME), 2009)The physics of ballistic penetration mechanics is of great interest in penetrator and countermeasure design. The phenomenology associated with these events can be quite complex, and a significant ... -
Transient Surface Strains and the Deconvolution of Thermoelastic States and Boundary Conditions
(The American Society of Mechanical Engineers (ASME), 2009)Thermoelastic states as they pertain to thermal-shock are difficult to determine since the underlying boundary conditions must be known or measured. For direct problems where the boundary conditions ... -
Proposed New Fatigue Design Curves for Carbon and Low-Alloy Steels in High Temperature Water
(The American Society of Mechanical Engineers (ASME), 2009)High temperature (>300°F, 149°C) water has been found to greatly accelerate fatigue crack growth rates in carbon and low-alloy steels. Current ASME Code fatigue design curves are ... -
A Review Paper on Aging Effects in Alloy 617 for Gen IV Nuclear Reactor Applications
(The American Society of Mechanical Engineers (ASME), 2009)To understand the response of Alloy 617 to long-time exposure conditions and to determine the supplementary data needs for structural components in Gen IV nuclear reactors, literature of aging ... -
Simplified Limit Load Estimation of Components With Cracks Using the Reference Two-Bar Structure
(The American Society of Mechanical Engineers (ASME), 2009)Limit loads are determined in this paper by invoking the concept of equivalence of “static indeterminacy” that relates a multidimensional component configuration (with cracks) to a “reference ... -
Risk-Based Inspection Analysis for High-Pressure Hydrogenation Cracking Unit
(The American Society of Mechanical Engineers (ASME), 2009)The high-pressure hydrogenation cracking unit is the core equipment system in the aromatic hydrocarbon factory, which is subjected simultaneously to the action of hydrogen, high pressure, and ... -
Three-Dimensional Identification of Semi-Elliptical Crack on the Back Surface by Means of Direct-Current Electrical Potential Difference Method With Multiple-Probe Sensor (PVP2006-ICPVT-11-93359)
(The American Society of Mechanical Engineers (ASME), 2009)Cracks are popular defects initiated in structural components and their accurate evaluation is very important to assure the reliability of various plants. The direct-current electrical potential ... -
Image Fusion for Infrared Thermography and Inspection of Pressure Vessel
(The American Society of Mechanical Engineers (ASME), 2009)Infrared thermography is a nondestructive evaluation method with an increasing span of applications. In this paper the pixel-level image fusion of infrared light and visible light image for ...