Journal of Pressure Vessel Technology: Recent submissions
Now showing items 341-360 of 4506
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A Burst Capacity Model for Corroded Pipelines Subjected to Combined Internal Pressure and Longitudinal Compression
(The American Society of Mechanical Engineers (ASME), 2021)The present study proposes a new semi-empirical burst capacity model for corroded oil and gas pipelines under combined internal pressure and longitudinal compression. The proposed model evaluates the burst capacity of a ... -
Research on Creep Behavior of Three-Point Bending Specimen With Fixed Constraints at the Large Deformation Stage
(The American Society of Mechanical Engineers (ASME), 2021)Three-point bending specimen with fixed constraints is a novel small specimen test technique, which can simultaneously obtain creep deformation and creep fracture data. However, the current research only focused on the ... -
Characterization of Anisotropic Mechanical Properties of X70 Spiral Welded Steel Pipes
(The American Society of Mechanical Engineers (ASME), 2021)Anisotropic tensile and compressive properties of base metals and girth welds of two API X70 spiral welded pipes have been investigated in this study. Spiral welded pipes exhibit different characteristics of anisotropy ... -
Applicability of the Equivalent Diameter Approach to Estimate Vortex Shedding Frequency and Acoustic Resonance Excitation From Different Finned Cylinders in Cross-Flow
(The American Society of Mechanical Engineers (ASME), 2022)This article explores the applicability of utilizing different equivalent diameter (Deq) equations to estimate the vortex shedding frequency and onset of self-excited acoustic resonance for various types of finned cylinders. ... -
Flow-Induced Vibrations of a Rotated Square Tube Array Subjected to Single-Phase Cross-Flow
(The American Society of Mechanical Engineers (ASME), 2022)This paper investigates the flow-induced vibration (FIV) and possibility of fluidelastic instability occurrence in a rotated square geometry tube array through a series of experimental tests. All experiments presented here ... -
A Practical Analysis Framework for Assessment of Printed Circuit Heat Exchangers in High-Temperature Nuclear Service
(The American Society of Mechanical Engineers (ASME), 2021)Printed circuit heat exchangers (PCHEs) have high thermal efficiency because of the numerous minuscule channels. These minuscule channels result in a high thermal exchange area per unit volume, making PCHE a top contender ... -
Pitch and Pattern Effects on Streamwise Fluidelastic Instability in Tube Arrays
(The American Society of Mechanical Engineers (ASME), 2021)Fluidelastic instability (FEI) is well known to be a critical flow-induced vibration concern for the integrity of the tubes in nuclear steam generators. Traditionally, this has been assumed to occur in the direction ... -
Motion Model of Free-Standing Racks Considering Two-Dimensional Gap Flow
(The American Society of Mechanical Engineers (ASME), 2021)The spent fuel pool of a nuclear power plant is a huge water tank with a vertical and horizontal depth of more than a dozen meters, and multiple box-shaped spent fuel racks in which spent nuclear fuel is stored are lined ... -
Oscillating Frequencies Generated by Combustion Oscillation in a Combustor Tube Fueled by Natural Gas and a Hydrogen Mixture
(The American Society of Mechanical Engineers (ASME), 2021)From previous combustion oscillation experiments using a simulated gas turbine combustor, oscillation frequencies around 350 Hz were measured in only natural gas-fired, and around 200 and 400 Hz were measured in the case ... -
Combined Experimental/Finite Element Investigation of Transverse Barrel Movement
(The American Society of Mechanical Engineers (ASME), 2022)Transverse barrel movement was measured during the firing of a Ruger Precision Rifle chambered in 6.5 Creedmoor. The use of laser vibrometers enabled high-speed measurement at good resolution during the projectile in-bore ... -
Analytical Limit Load Procedure for the Axial Complex Shaped Defect in a Pressurized Pipe
(The American Society of Mechanical Engineers (ASME), 2021)The paper is devoted to elaboration of the analytical O-procedure for the limit load analysis of complex shaped axial defect in a pressurized pipe. It is based on the classical lower bound theorem of the theory of plasticity, ... -
Generation of Shakedown Boundaries of Thin-Walled 90-Deg Scheduled Pipe Bends Determined Via Large and Small Displacement Finite Element Models
(The American Society of Mechanical Engineers (ASME), 2021)The present research investigates the effect of employing large displacement in finite element modeling on the generated shakedown (SD) boundaries of thin-walled 90-deg scheduled pipe bends. A recently developed methodology ... -
A Novel Approach for Bounding the Stress Experienced by the Core of Utility-Scale Printed Circuit Heat Exchangers Under Thermohydraulic Loads
(The American Society of Mechanical Engineers (ASME), 2021)Printed circuit heat exchangers (PCHEs) have rapidly gained popularity since being introduced nearly three decades ago, and they are currently widely deployed in the petrochemical and aviation industry. Their compactness, ... -
Assessment of Design Collapse Equations for OCTG Pipes Under Combined Loads
(The American Society of Mechanical Engineers (ASME), 2021)The objective of this paper is to evaluate the design collapse equations presented in Chap. 8 and Annex F of the current standard ISO TR 10400 for casings under external pressure and axial tension. A nonlinear numerical ... -
An Analytical Buckling Load Formula for a Cylindrical Shell Subjected to Local Axial Compression
(The American Society of Mechanical Engineers (ASME), 2021)This paper proposes an analytical buckling load formula for a cylindrical shell subjected to local axial compression for the first time, which is achieved by a carefully constructed load description and perturbation ... -
Static Analysis and Health Monitoring of Pipelines in Nuclear Power Plants With Noise Consideration
(The American Society of Mechanical Engineers (ASME), 2022)This study proposes a numerical methodology for the assessment of physical parameters which are critical to damage detection and structural health monitoring of pipelines propagating fluids under high temperatures. The ... -
Deterministic and Probabilistic Evaluation of Seismic Loads on Reactor Pressure Vessel Internals Including Nonlinear Effects
(The American Society of Mechanical Engineers (ASME), 2022)The paper presents analytical results for the dynamic analysis of the control rod drive mechanisms (CRDM) and selected reactor pressure vessel (RPV) internals, i.e., core barrel (CB) upper flange and upper core plate ... -
Discussion on Failure Behavior of Piping Systems Under Extremely Large Seismic Loads in BDBE
(The American Society of Mechanical Engineers (ASME), 2022)To investigate the failure behavior of piping systems under severe seismic loads considering beyond design basis event (BDBE), an experimental approach to use pipes made of simulation materials was applied. “Simulation ... -
Large-Scale Modeling of Damage and Failure of Nuclear Graphite Moderated Reactor
(The American Society of Mechanical Engineers (ASME), 2022)The UK Advanced Gas-Cooled reactors (AGRs) have cores made of graphite bricks with dual functions: as structural elements of the core, providing space for and separating fuel and control rods -
Predicting the Impact of CRDM Thermal Sleeve Flange Wear in Westinghouse Pressurized Water Reactors
(The American Society of Mechanical Engineers (ASME), 2021)In Dec. 2017, a four-loop 1300 MW Electricite de France (EdF) plant in France, Belleville Unit 2, experienced a complete wear through and separation of one of their thermal sleeves at a rodded control rod drive mechanism ...