Journal of Pressure Vessel Technology: Recent submissions
Now showing items 741-760 of 4506
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Detection of a Defect on the Back of a Pipe by Noncontact Remote Measurements
(The American Society of Mechanical Engineers (ASME), 2018)Pipe inspection is generally executed with ultrasonic pulse echo testing where a small range of pipe wall under an ultrasonic transducer can be evaluated in one measurement. Costly and laborious point-by-point testing is ... -
Experimental and Numerical Analysis of Water Jet Peening on 6061 Aluminum Alloy
(The American Society of Mechanical Engineers (ASME), 2018)Water jet peening (WJP) is a mechanical surface strengthening process, which can improve the residual stress (RS) of the peened surface and then improve the fatigue life of components. In this paper, erosion experiments ... -
Stress Intensity Factors for Transformed Surface Flaws and Remaining Fatigue Lives Based on Flaw-to-Surface Proximity Rules
(The American Society of Mechanical Engineers (ASME), 2018)Subsurface flaws are sometimes found as blowholes near free surfaces of structural components. Net-section stress at the ligament between the free component surface and the subsurface flaw increases when the ligament size ... -
Applicability of Miniature Compact Tension Specimens for Fracture Toughness Evaluation of Highly Neutron Irradiated Reactor Pressure Vessel Steels
(The American Society of Mechanical Engineers (ASME), 2018)The applicability of miniature compact tension (Mini-C(T)) specimens to fracture toughness evaluation of neutron-irradiated reactor pressure vessel (RPV) steels was investigated. Three types of RPV steels neutron-irradiated ... -
On Fatigue Design Curves for 2.25Cr-1Mo-V Steel Reactors at Elevated Temperature in Code Case 2605
(The American Society of Mechanical Engineers (ASME), 2018)Fatigue design method for 2.25Cr-1Mo-V steel reactors in code case 2605 (CC 2605) is reviewed. Main factors such as the accelerating function of fatigue action, the cyclic frequency, the strain damage factor (β) related ... -
On Residual Stress and Relief for an Ultra-Thick Cylinder Weld Joint Based on Mixed Hardening Model: Numerical and Experimental Studies
(The American Society of Mechanical Engineers (ASME), 2018)Residual stress distributions as welded and after local postwelding heat treatment (PWHT) of butted weld joint of a huge cylinder with ultra-thick wall were investigated by finite element (FE) simulations and measurement. ... -
A Temporary Local Rigid Clamping Structure to Improve Antibuckling Ability of the Thin-Walled Cylinder Under External Pressure
(The American Society of Mechanical Engineers (ASME), 2018)Although the inner container of the cryogenic liquid semitrailer works under inner pressure, it needs to be vacuumed during the helium leak detection. Furthermore, the inner container usually cannot meet the stability ... -
Electrochemical Corrosion Finite Element Analysis and Burst Pressure Prediction of Externally Corroded Underground Gas Transmission Pipelines
(The American Society of Mechanical Engineers (ASME), 2018)An integrative numerical simulation approach for pipeline integrity analysis is presented in this work, combining a corrosion model, which is the main focus of this paper, with a complementary structural nonlinear stress ... -
Prediction of Pressure Variation at an Elbow Subsequent to a Liquid Slug Impact by Using Smoothed Particle Hydrodynamics
(The American Society of Mechanical Engineers (ASME), 2018)Liquid slug flow driven by pressurized air in an inclined pipe with a downstream elbow is investigated numerically. As the liquid slug hits the elbow, the impact pressure and the associated force generated at the elbow may ... -
Research and Development of Rubber Bearings for Sodium-Cooled Fast Reactor: Ultimate Properties of Half-Scale Thick Rubber Bearings Based on Breaking Tests
(The American Society of Mechanical Engineers (ASME), 2018)This paper describes the results of static loading tests using a half-scale thick rubber bearing to investigate ultimate properties application for a sodium-cooled-fast-reactor (SFR). Thick rubber bearings which have a ... -
Variable Material Properties Approach: A Review on Twenty Years of Progress
(The American Society of Mechanical Engineers (ASME), 2018)This paper provides a critical review of the advancements made in the application of the variable material properties (VMP) method over the past two decades. The VMP method was originally proposed in 1997 (Jahed and Dubey, ... -
Finite Element Analysis of the Mechanical Behavior of Multibolted Joints Subjected to Shear Loads
(The American Society of Mechanical Engineers (ASME), 2018)When subjected to external forces, bolted joints behave in a complex manner especially in the case of the joints being clamped with multiple bolts. Friction type joints are widely used for the joints subjected to shear ... -
Performance Evaluation of a Respirator Vortex Cooling Device
(The American Society of Mechanical Engineers (ASME), 2018)The United States Department of Energy's Savannah River Site (SRS) in Aiken, South Carolina, is dedicated to promoting site-level, risk-based inspection practices to maintain a safe and productive work environment. Protective ... -
Stress Intensity Factor Interaction for Subsurface to Surface Flaw Transformations Under Stress Concentration Fields
(The American Society of Mechanical Engineers (ASME), 2018)If a single subsurface flaw is detected that is close to a component's free surface, a flaw-to-surface proximity rule is used to determine whether the flaw should be treated as a subsurface flaw, or transformed to a surface ... -
Operating Hydrogen Gas Transmission Pipelines at Pressures Above 21 MPa
(The American Society of Mechanical Engineers (ASME), 2018)The economical and efficient transportation of hydrogen gas is necessary for it to become a widespread source of energy. One way to improve the economics is to lower the cost of building hydrogen gas pipelines. The recent ... -
Numerical Post-Buckling Analysis of Mechanically Lined Corrosion Resistant Alloy Pipes
(The American Society of Mechanical Engineers (ASME), 2018)As an economical alternative to solid corrosion resistant alloy (CRA) and clad pipes, mechanically lined or sleeved CRA pipes are proven to be effective in the transport of corrosive fluids in oil and gas industry. A major ... -
Operational Modal Analysis of a Triangular-Pitch Tube Bundle Subjected to Two-Phase Cross-Flow
(The American Society of Mechanical Engineers (ASME), 2018)Flow-induced vibrations of tubes in two-phase heat exchangers are a concern for the nuclear industry. Electricité de France (EDF) has developed a numerical tool, which allows one to evaluate safety margins and thereafter ... -
Model-Based Design of Energy Accumulators for Control of Subsea Wells
(The American Society of Mechanical Engineers (ASME), 2018)Hydraulic accumulators are vessels charged with inert gas used to store pressurized fluid to actuate specific functions. In particular, they are widely used as controls for remote system such as in deep water drilling. In ... -
Modeling Creep Deformation and Damage Behavior of Tempered Martensitic Steel in the Framework of Additive Creep Rate Formulation
(The American Society of Mechanical Engineers (ASME), 2018)Additive creep rate model has been developed to predict creep strain-time behavior of materials important to engineering creep design of components for high temperature applications. The model has two additive formulations: ... -
Constraint Assessment for Specimens Tested Under Uniaxial and Biaxial Loading Conditions
(The American Society of Mechanical Engineers (ASME), 2018)In structural integrity analysis of reactor pressure vessels (RPVs), a postulated shallow crack is subjected to biaxial far-field stresses. However, the fracture toughness Kc or Jc, which is an important material property ...