Journal of Pressure Vessel Technology: Recent submissions
Now showing items 1041-1060 of 4506
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Effects of a Venturi Type Flow Restrictor on the Thermal Hydraulic Response of the Secondary Side of a Pressurized Water Reactor Steam Generator to a Main Steam Line Break
(The American Society of Mechanical Engineers (ASME), 2016)A numerical analysis has been performed to simulate the transient thermalhydraulic response to a main steam line break (MSLB) for the secondary side of a steam generator (SG) model equipped with a venturitype SG outlet ... -
Development of Inverse Analysis Method of Heat Conduction and Thermal Stress for Elbow—Part II
(The American Society of Mechanical Engineers (ASME), 2016)An inverse heat conduction analysis method for piping elbow was developed to estimate the temperature and stress distribution on the inner surface by measuring the outer surface temperature. In the paper, the accuracy for ... -
Review of Flow Excited Resonance of Acoustic Trapped Modes in Ducted Shallow Cavities
(The American Society of Mechanical Engineers (ASME), 2016)Flowexcited resonances of acoustic trapped modes in ducted shallow cavities are reviewed in this paper. The main components of the feedback mechanism which sustains the acoustic resonance are discussed with particular ... -
On Creep Fatigue Interaction of Components at Elevated Temperature
(The American Society of Mechanical Engineers (ASME), 2016)The accurate assessment of creep–fatigue interaction is an important issue for industrial components operating with large cyclic thermal and mechanical loads. An extensive review of different aspects of creep fatigue ... -
Monotonic, Low Cycle Fatigue, and Ultralow Cycle Fatigue Behaviors of the X52, X60, and X65 Piping Steel Grades
(The American Society of Mechanical Engineers (ASME), 2016)Seismic actions, soil settlements and landslides, fluctuations in permafrost layers, accidental loads, and reeling are responsible for large plastic deformations and widespread yielding of pipelines, which may lead to ... -
Seismic Assessment of Petrochemical Piping Systems Using a Performance Based Approach
(The American Society of Mechanical Engineers (ASME), 2016)The need of enhanced seismic analysis and design rules for petrochemical piping systems is widely recognized, where the allowable stress design method is still the customary practice. This paper presents an uptodate ... -
An Experimental Model Study of Steam Generator Tube Loading During a Sudden Depressurization
(The American Society of Mechanical Engineers (ASME), 2016)This paper presents the results of an experimental model study of the transient loading of steam generator tubes during a postulated main steam line break (MSLB) accident in a nuclear power plant. The problem involves ... -
Probabilistic Pressurized Thermal Shock Analysis for a Reactor Pressure Vessel Considering Plume Cooling Effect
(The American Society of Mechanical Engineers (ASME), 2016)The inner surface of a reactor pressure vessel (RPV) is assumed to be subjected to pressurized thermal shocks (PTSs) caused by the injection of emergency cooling water. The downstream is not homogeneous but typically in a ... -
Assessment of the Cyclic Behavior of Structural Components Using Novel Approaches
(The American Society of Mechanical Engineers (ASME), 2016)To extend the life of a structure, or a component, which is subjected to cyclic thermomechanical loading history, one has to provide safety margins against excessive inelastic deformations that may lead either to lowcycle ... -
Simplified Formulation of Stress Concentration Factors for Spherical Pressure Vessel–Cylindrical Nozzle Juncture
(The American Society of Mechanical Engineers (ASME), 2016)Parametric study of the thin shell solution of internally pressurized spherical vessel–cylindrical nozzle juncture is used to develop simplified closedform formulas of stress concentration factor (SCF) as functions of ... -
Mechanical Behavior of Steel Pipe Bends: An Overview
(The American Society of Mechanical Engineers (ASME), 2016)An overview of the mechanical behavior of steel pipe (elbows) is offered, based on previously reported analytical solutions, numerical results, and experimental data. The behavior of pipe bends is characterized by significant ... -
Methodology for Estimating Thermal and Neutron Embrittlement of Austenitic Stainless Steel Welds During Service in Light Water Reactors
(The American Society of Mechanical Engineers (ASME), 2016)The effect of thermal aging on the degradation of fracture toughness and Charpyimpact properties of austenitic stainless steel (SS) welds has been characterized at reactor temperatures. The solidification behavior and the ... -
A New Method to the Elastodynamic Response of a Spherical Shell Under the Impact Load
(The American Society of Mechanical Engineers (ASME), 2016)In this paper, a new methodology for solving response of a spherical shell based on developed solution structure theorem has been proposed. It can be used to solve the wave equation about the structural dynamic response ... -
Measurements of Decompression Wave Speed in Pure Carbon Dioxide and Comparison With Predictions by Equation of State
(The American Society of Mechanical Engineers (ASME), 2016)Carbon dioxide capture and storage (CCS) is one of the technologies that have been proposed to reduce emissions of carbon dioxide (CO2) to the atmosphere. CCS will require the transportation of the CO2 from the “capture†... -
Deterministic and Probabilistic Fracture Mechanics Analysis for Structural Integrity Assessment of Pressurized Water Reactor Pressure Vessel
(The American Society of Mechanical Engineers (ASME), 2016)Cumulative radiation embrittlement is one of the main causes for the degradation of pressurized water reactor (PWR) reactor pressure vessels (RPVs) over their longterm operations. To assess structural reliability of degraded ... -
An Accelerated Method for Creep Prediction From Short Term Stress Relaxation Tests
(The American Society of Mechanical Engineers (ASME), 2016)With the development of ultrasupercritical power generation technology, creep strength of hightemperature materials should be considered for safety evaluation and engineering design. However, longtime creep testing should ... -
Development of Probability of Ignition Model for Ruptures of Onshore Natural Gas Transmission Pipelines
(The American Society of Mechanical Engineers (ASME), 2016)A loglogistic probability of ignition (POI) model for ruptures of onshore natural gas transmission pipelines is proposed in this paper. The parameters of the proposed POI model are evaluated based on a total of 188 rupture ... -
Methodology for Estimating Thermal and Neutron Embrittlement of Cast Austenitic Stainless Steels During Service in Light Water Reactors
(The American Society of Mechanical Engineers (ASME), 2016)Cast austenitic stainless steel (CASS) materials, which have a duplex structure consisting of austenite and ferrite phases, are susceptible to thermal embrittlement during reactor service. In addition, the prolonged exposure ... -
Creep Life Evaluations of ASME B31.1 Allowance for Variation From Normal Operation
(The American Society of Mechanical Engineers (ASME), 2016)The ASME B31.12012 Power Piping Code (Code) paras. 102.2.4, 102.3.3, and 104.8.2 provide an allowance regarding operating above the design temperature and internal pressure for short time periods. This study is a quantitative ... -
Numerical Prediction of Maximum Load Carrying Capacity of Cracked Alloy 690TT Steam Generator Tubes
(The American Society of Mechanical Engineers (ASME), 2016)This paper presents a finite element (FE) simulation technique to predict maximum loadcarrying capacity of cracked steam generator tubes and its application to Alloy 690TT tubes. The simulation method is based on a simplified ...