Journal of Pressure Vessel Technology: Recent submissions
Now showing items 1781-1800 of 4506
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Application of Microfocus Rod Anode in Qualification of Tube-to-Tube-Sheet Welds in Steam Generators
(The American Society of Mechanical Engineers (ASME), 2010)Tube-to-tube-sheet (TTS) welds, occurring in heat exchangers, condensers, and steam generators, are exempted from volumetric nondestructive examination, such as radiography or ultrasonic tests, due ... -
Stress Intensity Factors for Partially Autofrettaged Pressurized Thick-Walled Cylinders Containing Closely and Densely Packed Cracks
(The American Society of Mechanical Engineers (ASME), 2010)Due to acute temperature gradients and repetitive high-pressure impulses, extremely dense internal surface cracks can be practically developed in highly pressurized thick-walled vessels, typically ... -
Semi-Active Sloshing Suppression Control of Liquid in Vessel With Bulkhead
(The American Society of Mechanical Engineers (ASME), 2010)A semi-active sloshing suppression control method for the contained liquid in the closed vessel is presented. The presented method uses the air spring effect of the gas chamber on the liquid ... -
Heat Transfer and Stress Analysis of Coke Drum for a Complete Operating Cycle
(The American Society of Mechanical Engineers (ASME), 2010)Coke drums experience severe thermal and mechanical loadings during operation, and the reliability and safety of the coke drums are critical to the industry. The objective of this study is to ... -
Damage Evolution and Life Prediction of a P91 Longitudinal Welded Tube Under Internal Pressure Creep
(The American Society of Mechanical Engineers (ASME), 2010)The clarification of creep damage mechanism and the establishment of remaining life prediction methods of longitudinal welded piping of P91 steel are important subjects to maintain a reliable ... -
Measurement of Decompression Wave Speed in Rich Gas Mixtures at High Pressures (370 bars) Using a Specialized Rupture Tube
(The American Society of Mechanical Engineers (ASME), 2010)Measurements of decompression wave speed in conventional and rich natural gas mixtures following rupture of a high-pressure pipe have been conducted. A high-pressure stainless steel rupture tube ... -
The Effect of Fins on Fluidelastic Instability in In-Line and Rotated Square Tube Arrays
(The American Society of Mechanical Engineers (ASME), 2010)An experimental program was conducted to examine fluidelastic instability in in-line and rotated square finned tube arrays. Three arrays of each geometry type were studied: two with serrated, ... -
A Reliability-Based Approach for Low-Cycle Fatigue Design of Class 2 and 3 Nuclear Piping
(The American Society of Mechanical Engineers (ASME), 2010)This paper presents a reliability-based low-cycle fatigue design approach for class 2 and 3 nuclear pipes. Initially, the methodology and background for the design of the pipes according to the ... -
Modified Formulation of Layer Stresses Due to Internal Pressure of a Layered Vessel With Interlayer Gaps
(The American Society of Mechanical Engineers (ASME), 2010)In this paper, the modified formulae have been provided. They can be used to calculate the stress in layers with gaps of a layered cylinder. In order to obtain the modified formulae, a ... -
A Probabilistic Lifetime Prediction Technique for Piping Under Creep Conditions
(The American Society of Mechanical Engineers (ASME), 2010)We outline here a simple approximate method of lifetime prediction for high-temperature, internally pressurized piping components that takes into account the very large scatter present in the ... -
Plastic Collapse Assessment of Thick Vessels Under Internal Pressure According to Various Hardening Rules
(The American Society of Mechanical Engineers (ASME), 2010)This paper aims to deal with plastic collapse assessment for thick vessels under internal pressure, thick tubes in plane strain conditions, and thick spheres, taking into consideration various ... -
Heavy-Section Steel Technology and Irradiation Programs—Retrospective and Prospective Views
(The American Society of Mechanical Engineers (ASME), 2010)In 1965, the Atomic Energy Commission, at the advice of the Advisory Committee on Reactor Safeguards, initiated the process that resulted in the establishment of the Heavy Section Steel Technology ... -
Calculating Thermal Gradients in a B31.1 Welding End Transition Joint by Formulae
(The American Society of Mechanical Engineers (ASME), 2010)Fatigue evaluation in B31.1 is currently done based on equations 1 and 2 of ASME B31.1-2007 Power Piping, which only considers the displacement load ranges. However, fatigue damage, in addition ... -
On the Buckling of Functionally Graded Cylindrical Shells Under Combined External Pressure and Axial Compression
(The American Society of Mechanical Engineers (ASME), 2010)The stability problem of a circular cylindrical shell composed of functionally graded materials with elasticity modulus varying continuously in the thickness direction under combined external ... -
Microstructure and Mechanical Properties of G17CrMoV5-10 Cast Steel After Regenerative Heat Treatment
(The American Society of Mechanical Engineers (ASME), 2010)This paper presents the results of a research on the influence of regenerative heat treatment on microstructure and properties of a cast steel after long-term operation at the elevated temperature. ... -
Analysis of Constant and Variable Amplitude Strain-Life Data Using a Novel Probabilistic Weibull Regression Model
(The American Society of Mechanical Engineers (ASME), 2010)The relation between the total strain amplitude and the fatigue life measured in cycles is usually given as strain-life curves based on the former proposals of Basquin, for the elastic ... -
Application of Manson–Haferd and Larson–Miller Methods in Creep Rupture Property Evaluation of Heat-Resistant Steels
(The American Society of Mechanical Engineers (ASME), 2010)The current paper discusses the selection of Manson–Haferd and Larson–Miller constants on correlation results of creep rupture property in several heat-resistant steels. It indicates that the ... -
Failure Pressure in Corroded Pipelines Based on Equivalent Solutions for Undamaged Pipe
(The American Society of Mechanical Engineers (ASME), 2010)Simple and accurate approaches to predict failure pressures in corroded pipelines are outlined in this work. It is shown that failure pressures for corroded pipelines can be predicted from the ... -
Influence of Boiler Load Swing Rates on Effective Stresses of Drum Boiler Riser Tubes
(The American Society of Mechanical Engineers (ASME), 2010)In this paper, different rates of steam flow (swing rates) are used to demonstrate the transient changes in both the drum-boiler steam pressure and the wall temperature levels in addition to ... -
Post-Autofrettage Thermal Treatment and Its Effect on Reyielding of High Strength Pressure Vessel Steels
(The American Society of Mechanical Engineers (ASME), 2010)The autofrettage process of a thick walled pressure vessel involves applying tensile plastic strain at the bore of the vessel, which reverses during unloading and results in favorable compressive ...