Journal of Pressure Vessel Technology: Recent submissions
Now showing items 1341-1360 of 4506
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Systematic Evaluation of Creep Fatigue Life Prediction Methods for Various Alloys
(The American Society of Mechanical Engineers (ASME), 2013)Failure under creepfatigue interaction is receiving an increasing interest due to an increased number of startup and shutdowns in fossil power generation plants as well as development of newer nuclear power plants employing ... -
Stress Mitigation Design of a Tubesheet by Considering the Thermal Stress Inducement Mechanism
(The American Society of Mechanical Engineers (ASME), 2013)Adoption of doublewall straighttube steam generators (SGs) made of Mod.9Cr1Mo steel is planned for nextgeneration fast breeder reactors (FBRs) in Japan. One of the major concerns with the SG is the structural integrity of ... -
A Full 3D Finite Element Model for Buckling Analysis of Stiffened Steel Liners in Hydroelectric Pressure Tunnels
(The American Society of Mechanical Engineers (ASME), 2013)The availability of tools for safety evaluation of a pressure liner is a relevant issue in both structural and hydraulic engineering. A numerical procedure for assessing the stability of a stiffened steel liner in a ... -
Plastic Load of Precracked Polyethylene Miter Pipe Bends Subjected to In Plane Bending Moment1
(The American Society of Mechanical Engineers (ASME), 2013)The main purpose of the present paper is to investigate the effect of crack depth on the plastic load (collapse load) of miter pipe bends (MPB) under inplane bending moment. The experimental work is conducted to investigate ... -
Sensitivity Analysis of Fitness for Service Assessment Based on Reliability for Cylindrical Pressure Vessels With Local Metal Loss
(The American Society of Mechanical Engineers (ASME), 2013)Concern about fitnessforservice (FFS) assessments using stochastic analyses for aged pressure equipment with local metal loss has been growing. When a decision must be made regarding whether to run or repair equipment with ... -
Constitutive Law of Finite Deformation Elastoplasticity With Proportional Loadings
(The American Society of Mechanical Engineers (ASME), 2013)In this paper, decomposition of the total strain into elastic and plastic parts is investigated for extension of elastictype constitutive models to finite deformation elastoplasticity. In order to model the elastic behavior, ... -
A Hydrogen Ignition Mechanism for Explosions in Nuclear Facility Piping Systems
(The American Society of Mechanical Engineers (ASME), 2013)Hydrogen explosions may occur simultaneously with fluid transients' accidents in nuclear facilities, and a theoretical mechanism to relate fluid transients to hydrogen deflagrations and explosions is presented herein. ... -
Leak Before Break Under Beyond Design Basis Seismic Loading
(The American Society of Mechanical Engineers (ASME), 2013)The Atucha II nuclear power plant is a unique pressurized heavy water reactor (PHWR) being constructed in Argentina. The original plant design was by Kraftwerk Union (KWU) in the 1970's using the German methodology of break ... -
Determination of Gimbal and Hinged Expansion Joints Reaction Moments
(The American Society of Mechanical Engineers (ASME), 2013)This paper proposes a method to estimate the actual reaction loads in gimbal and hinged metal bellows expansion joints. Friction and some media pressure forces, which are not considered in current Expansion Joint Manufactures ... -
Effect of Temperature and Chloride Content on the Stress Corrosion Cracking Susceptibility of 304 Stainless Steel Welded Joints Treated by Ultrasonic Impact Treatment
(The American Society of Mechanical Engineers (ASME), 2013)Effect of temperature and chloride content on the stress corrosion cracking (SCC) susceptibility of 304 stainless steel welded joints treated by ultrasonic impact treatment (UIT) is investigated in this study. High tensile ... -
Comparison of the Thermal Performance of Damaged and Intact Shock Absorber
(The American Society of Mechanical Engineers (ASME), 2013)Regulatory requirements for a Type B package are specified in the Korea MEST Act 200937, IAEA Safety Standard Series No. TSR1, and US 10 CFR Part 71. These regulatory guidelines require that a Type B package for transporting ... -
Experimental and Numerical Studies on High Pressure Composite Cylinders Subjected to Localized and Engulfing Fire
(The American Society of Mechanical Engineers (ASME), 2013)Vehicle fires may lead to onboard highpressure composite cylinders experiencing a term of localized and engulfing fire. During this period, the composite cylinder would be degraded and even burst before pressure relief ... -
Safety Assessment of Cold Welding Defect in Electro Fusion Joint of Polyethylene Pipe
(The American Society of Mechanical Engineers (ASME), 2013)Cold welding defect is the most common defect in electrofusion (EF) joint for connecting polyethylene (PE) pipe. In our previous study [1], the cold welding defect is successfully inspected by an eigenline method based on ... -
Creep Behavior of P92 and P92 Welds at 675 آ°C
(The American Society of Mechanical Engineers (ASME), 2013)The results of an accelerated creep test programme on the leading new build high temperature power plant pipework ferritic steel P92 and two P92 welds are presented. Tests were performed at 675 آ°C, which is above the ... -
An Infinite Sequence of Collinear Cracks Subjected to Concentrated Loads
(The American Society of Mechanical Engineers (ASME), 2013)A numerical approach to an infinite sequence of collinear cracks is presented in this paper. Numerical examples are included to illustrate the accuracy of the numerical approach. Specifically, an infinite sequence of ... -
Plastic Collapse Moment for Weld Overlay Pipe With Multiple Circumferential Flaws
(The American Society of Mechanical Engineers (ASME), 2013)Weld overlay is one of the useful repair methods for cracked piping that has been successfully applied for piping in many nuclear power plants. This paper proposes an approach for predicting plastic collapse moment for ... -
Analytical Modeling of the Strength of Tubesheets for Steam Surface Condensers
(The American Society of Mechanical Engineers (ASME), 2013)A tubesheet is one of the most important components in the design of a steam surface condenser. In this work, an analytical method to determine the strength of a tubesheet is established based on a beamstrip model. The ... -
Assessment of Residual Stress Due to Overlay Welded Cladding and Structural Integrity of a Reactor Pressure Vessel
(The American Society of Mechanical Engineers (ASME), 2013)In this study, the residual stresses generated within the overlaywelded cladding and base material of reactor pressure vessel (RPV) steel were measured for aswelded and postwelded heattreated conditions using the sectioning ... -
Technical Basis for Application of Weight Function Method for Calculation of Stress Intensity Factor for Surface Flaws Proposed for ASME Section XI Appendix A
(The American Society of Mechanical Engineers (ASME), 2013)Analytical evaluation procedures for determining the acceptability of flaws detected during inservice inspection of nuclear power plant components are provided in Section XI of the ASME Boiler and Pressure Vessel Code. ... -
Procedure for Uncertainty Estimation in Determining the Master Curve Reference Temperature1
(The American Society of Mechanical Engineers (ASME), 2013)The master curve reference temperature, T0, characterizes the fracture performance of structural steels in the ductiletobrittle transition region. For a given material, this reference temperature is estimated via fracture ...