Journal of Pressure Vessel Technology: Recent submissions
Now showing items 261-280 of 4506
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Fracture Toughness Evaluation of the Heat-Affected Zone Under the Weld Overlay Cladding in Reactor Pressure Vessel Steel
(The American Society of Mechanical Engineers (ASME), 2022)The fracture toughness in the heat-affected zone (HAZ), which is located under the weld overlay cladding on the inner surface of the reactor pressure vessel (RPV), was evaluated by considering the inhomogeneous microstructures ... -
Investigations of In-Plane Fluidelastic Instability in a Multispan U-Bend Tube Array—Part II: Tests in Two-Phase Flow
(The American Society of Mechanical Engineers (ASME), 2023)Tests to study fluidelastic instability (FEI) in an array of U-bend tubes were recently completed in the multispan U-Bend test rig at Canadian Nuclear Laboratories. These tests were sponsored by the Electric Power Research ... -
Investigations of In-Plane Fluidelastic Instability in a Multispan U-Bend Tube Array—Part I: Tests in Air Flow
(The American Society of Mechanical Engineers (ASME), 2023)The tubes in the U-bend region of a recirculating type of nuclear steam generator are subjected to cross-flow of a two-phase mixture of steam and water. There is a concern that these tubes may experience flow-induced ... -
Dynamic Cavitation Inception by Wave Propagation Across Solid–Fluid Interface With Varying Solid Surface Wettability
(The American Society of Mechanical Engineers (ASME), 2023)Fluid–structure interaction (FSI) problems are important because they may induce serious damage to structures. In some FSI problems, the interaction mechanism is strongly dependent on the wave propagation across the ... -
Research on the Buckling Load of Clamped Spherical Caps Under External Pressure: Analyzed by the Fourier Series Model With Initial Geometric Imperfections
(The American Society of Mechanical Engineers (ASME), 2023)The knockdown factor (KDF), which characterizes the difference between the actual buckling pressure and the classical theoretical pressure of clamped spherical caps under external pressure, is highly discrete. The mechanism ... -
A Method of Evaluating the Driving Force and Stresses During Tube Die Expansion
(The American Society of Mechanical Engineers (ASME), 2023)In this study, an analytical approach based on the energy method is used to estimate the force required to expand tubes with different die shapes. The proposed method calculates the driving force using the energy of ... -
Non-Axisymmetric Buckling Stress of Axially Compressed Circular Cylindrical Shells: Closed-Form and Simplified Formulae
(The American Society of Mechanical Engineers (ASME), 2022)Due to their thin-walled characteristics, axially loaded circular cylindrical shells (CCSs) commonly undergo buckling failure. The limiting buckling stress of such shells has not yet been fully developed due to a wide range ... -
Designing Cladded Components for High Temperature Nuclear Service: Part II—Design Rules
(The American Society of Mechanical Engineers (ASME), 2022)The challenge of using existing ASME Section III, Division 5, class A metallic materials for the construction of structural components of advanced reactors with corrosive coolants could be mitigated by allowing designers ... -
Designing Cladded Components for High Temperature Nuclear Service: Part I—Analysis Methods
(The American Society of Mechanical Engineers (ASME), 2022)Use of corrosion-resistant cladding can greatly extend the design life of structural components in many advanced reactor systems. However, there are currently no ASME design rules for cladded components to guard against ... -
Effect of Heat-to-Heat Variability on Long-Term Creep Rupture Lifetime Predictions of Single Step Aged Wrought Haynes 282 Alloy
(The American Society of Mechanical Engineers (ASME), 2022)The impact of a weaker heat of the wrought form of Haynes 282 nickel superalloy on predicted 100,000 h creep rupture strength (CRS) and hence maximum allowable working stress (MAWS) was determined by correlating the creep ... -
Stress Shifting Effect of Hydrogen Mixed Natural Gas Pipe Under Seismic Wave
(The American Society of Mechanical Engineers (ASME), 2022)Hydrogen energy is a kind of clean secondary energy sources. Mixed hydrogen natural gas transportation technology is a new scheme of hydrogen transportation. Using natural gas pipe to transport hydrogen is expected to ... -
Experimental Analysis and Constitutive Modeling of Cyclic Behavior of 304 L Stainless Steel: Introduction of Isotropic Hardening Fading Effect
(The American Society of Mechanical Engineers (ASME), 2022)In this study, the mechanical behavior of austenitic stainless steel 304 L under low cycle fatigue was investigated under different uni-axial strain-controlled loadings of 0.5%, 0.8%, 1.0%, 1.2%, and 1.5%. The analysis of ... -
Optimization of Temperature Field by Differentiating Number of Circumferential Control Zones in Local Post Weld Heat Treatment on 9%Cr Heat-Resistant Steel Pipe
(The American Society of Mechanical Engineers (ASME), 2022)This paper reports the optimal use of control zones to achieve required uniformity of temperature distribution in local postweld heat treatment of welds in 9% Cr heat-resistant large pipe system. In this research, local ... -
Dissimilar Welding of Inconel Alloys With Austenitic Stainless-Steel: A Review
(The American Society of Mechanical Engineers (ASME), 2022)In this review paper, dissimilar welding between Inconel and austenitic stainless steel along with its application has been outlined for high-temperature applications. The mechanical and microstructural behavior of this ... -
Optimized J Evaluation Scheme for the Fracture Mechanics Assessment of Complex Piping Systems Subjected to Various Loading Sets
(The American Society of Mechanical Engineers (ASME), 2022)This paper describes an optimization scheme for the J parameter calculation of cracks postulated in complex geometrical configurations such as elbow entries/exits and/or thickness transitions. The principle of this scheme ... -
Optimization of Composite Cylindrical Shell Structures for Hydrostatic Pressure Loading
(The American Society of Mechanical Engineers (ASME), 2022)Deep-sea structures will collapse/implode under hydrostatic pressure when the structure dives below an instability threshold, leading to catastrophic failure. To better understand how the layup angle of composite cylindrical ... -
Added Mass and Damping of an Hexagonal Rod Vibrating in Highly Confined Viscous Fluids
(The American Society of Mechanical Engineers (ASME), 2022)This paper deals with fluid–structure interaction analysis of an hexagonal rod enclosed in a narrow viscous gap. A new analytical solution for a two-dimensional (2D) cylindrical case is derived and described. A numerical ... -
Analysis of Anomalies in Water Hammer Experiments With Partially Open Valves
(The American Society of Mechanical Engineers (ASME), 2022)This study investigated the water hammer pressure due to the sudden closure of the partially open valve experimentally and analytically. Because the partially open valve could produce local nonuniform flow, a supplementary ... -
Ductile Tearing or Plastic Collapse?
(The American Society of Mechanical Engineers (ASME), 2022)Ductile fracture is characterized by a large amount of deformation. Two mechanisms may lead to ductile failure: local tearing may appear in front of a stress concentration region like a crack front or large geometry changes ... -
Numerical and Analytical Studies of Low Cycle Fatigue Behavior of 316 LN Austenitic Stainless Steel
(The American Society of Mechanical Engineers (ASME), 2022)Mechanical components are frequently subjected to severe cyclic pressure and/or temperature loadings. Therefore, numerical and analytical low cycle fatigue methods become widely used in the field of engineering to estimate ...