Journal of Pressure Vessel Technology: Recent submissions
Now showing items 861-880 of 4506
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Flow-Induced Acoustic Resonance in a Closed Side Branch Under a Low-Pressure Wet Steam Flow
(The American Society of Mechanical Engineers (ASME), 2017)Flow-induced acoustic resonances in piping with closed side branches cause severe structural vibration and fatigue damage of piping and components in power plants. Practical piping systems of power plants often have a steam ... -
Investigation on Maximum Upsurge and Air Pressure of Air Cushion Surge Chamber in Hydropower Stations
(The American Society of Mechanical Engineers (ASME), 2017)The maximum upsurge (MU) and the maximum air chamber pressure (MACP) are critical parameters for the design of air cushion surge chamber (ACSC) in hydropower stations. In this paper, the existence of the MU and the MACP ... -
Effects of Loading Mode on Brittle Fracture of X70 Pipe Girth Welds
(The American Society of Mechanical Engineers (ASME), 2017)A series of single-edge notched tension (SENT or SE(T)) and single-edge notched bend (SENB or SE(B)) testing was carried out at −15 °C using B × B specimens machined from two API X70 large diameter pipeline girth welds. ... -
Dynamics of Wave Propagation Across Solid–Fluid Movable Interface in Fluid–Structure Interaction
(The American Society of Mechanical Engineers (ASME), 2017)A theoretical model for wave propagation across solid–fluid interfaces with fluid–structure interaction (FSI) was explored by conducting experiments. Although many studies have been conducted on solid–solid and fluid–fluid ... -
Load Controlled Cyclic Loading of Transversely Isotropic Cylindrical Vessels Based on the Anisotropic Kinematic Hardening Models
(The American Society of Mechanical Engineers (ASME), 2017)This study evaluates the plastic responses of thick cylinders made of transversely isotropic materials under mechanical cyclic loads, using the kinematic hardening theory of plasticity. The Hill yield criterion is adapted ... -
Evaluation of a Numerical Analysis Model for the Transient Response of Nuclear Steam Generator Secondary Side to a Sudden Steam Line Break
(The American Society of Mechanical Engineers (ASME), 2017)This paper presents an evaluation of the applicability of a numerical analysis model to the transient thermal-hydraulic response of steam generator (SG) secondary side to blowdown following a steam line break (SLB) at a ... -
Orifice Design of a Pilot-Operated Pressure Relief Valve
(The American Society of Mechanical Engineers (ASME), 2017)An important safety factor to be considered when designing a plant is the prevention of overpressure-induced explosions, to which many plants are vulnerable because of pressurized fluids in plant components. A pilot-operated ... -
A New Methodology for Structural Reliability Assessment of the Heat Exchanger Tubes of WWER Steam Generators
(The American Society of Mechanical Engineers (ASME), 2017)A physically and statistically based method for steam generator (SG) heat exchanger tubes (HET) integrity assessment is proposed. The method based is on the stochastic laws of crack dimensions distribution with taking into ... -
Zero Curvature Method and Protection Criterion Against Plastic Collapse
(The American Society of Mechanical Engineers (ASME), 2017)A zero curvature method to estimate the limit load is introduced in detail, and a uniform computing process for computerization of the zero curvature method is presented. A new protection criterion against plastic collapse ... -
Analytical Inverse Solution of Eigenstrains and Residual Fields in Autofrettaged Thick-Walled Tubes
(The American Society of Mechanical Engineers (ASME), 2017)The smoothed inverse eigenstrain method is revisited for the reconstruction of residual fields and eigenstrains from limited strain measurements within axially symmetric tubes. The application of the present approach is ... -
Engineering Approach Based on Reference Stress Concept for Calculating J and Crack Opening Displacement of Complex-Cracked Pipes
(The American Society of Mechanical Engineers (ASME), 2017)In this study, an engineering approach for estimations of fracture mechanics parameters, i.e., J-integral and crack opening displacement (COD), for complex-cracked pipes was suggested based on reference stress concept, ... -
Stability of Open Top Cylindrical Steel Storage Tanks: Design of Top Wind Girder
(The American Society of Mechanical Engineers (ASME), 2017)Design of the top wind stiffeners of aboveground storage tanks designed to the requirements of API 650 is investigated. The current design methodology is based on intuition and experience without a sound technical ... -
Design and Integrity Evaluation of a Finned-Tube Sodium-to-Air Heat Exchanger in a Sodium Test Facility
(The American Society of Mechanical Engineers (ASME), 2017)A high-temperature design and an integrity evaluation for a finned-tube sodium-to-air heat exchanger (FHX) in a sodium test facility were conducted based on full 3D finite-element analyses, and comparisons of the design ... -
Transient Simulations of the Fluid–Structure Interaction Response of a Partially Confined Pipe Under Axial Flows in Opposite Directions
(The American Society of Mechanical Engineers (ASME), 2017)This paper presents a numerical study of the dynamic response and stability of a partially confined cantilever pipe under simultaneous internal and external axial flows in opposite directions. The onset of flow-induced ... -
Prediction of Streamwise Fluidelastic Instability of a Tube Array in Two-Phase Flow and Effect of Frequency Detuning
(The American Society of Mechanical Engineers (ASME), 2017)Experimental measurements of the steady forces on a central cluster of tubes in a rotated triangular array (P/D=1.5) subjected to two-phase air–water cross-flow have been conducted. The tests were done for a series of void ... -
Transient Hydraulic Response of a Pressurized Water Reactor Steam Generator to a Feedwater Line Break Using the Nonflashing Liquid Flow Model
(The American Society of Mechanical Engineers (ASME), 2017)In this study, a computational fluid dynamics (CFD) analysis of the transient flow field inside the secondary side of a nuclear reactor steam generator (SG) during blowdown following a feedwater line break (FWLB) accident ... -
Detection of Cracks in 25Cr35NiNb Ethylene Pyrolysis Furnace Tubes by Metal Magnetic Memory Technique
(The American Society of Mechanical Engineers (ASME), 2017)Cracking in 25Cr35NiNb pyrolysis furnace tubes is difficult to detect in engineering production. This paper presents a metal magnetic memory technique for inspecting cracks. To verify the effectiveness of the proposed ... -
Analysis of the Thermal Stress at the Tubesheet in Floating-Head or U-Tube Heat Exchangers
(The American Society of Mechanical Engineers (ASME), 2017)Thermal stress is an important factor influencing the strength of a heat exchanger tubesheet. Some studies have indicated that, even in floating-head or U-tube heat exchangers, the thermal stress at the tubesheet is ... -
Unique Design of Pressure Vessel With Tooth-Locked Quick-Actuating Closures Based on Finite Element Model Analysis
(The American Society of Mechanical Engineers (ASME), 2017)A novel method is developed for the design of pressure vessels with tooth-locked quick-actuating closures by considering the contact between the teeth and utilizing the surface-to-surface contact model with contact element ... -
Remaining Fatigue Lives of Similar Surface Flaws in Accordance With Combination Rules
(The American Society of Mechanical Engineers (ASME), 2017)When multiple flaws are detected in structural components, the remaining lives of the components are estimated by fatigue flaw growth calculations using combination rules in fitness-for-service (FFS) codes. Many FFS codes ...