Journal of Pressure Vessel Technology: Recent submissions
Now showing items 1681-1700 of 4506
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Research on the Calculation Method of Tightening Torque on P-110S Threaded Connections
(The American Society of Mechanical Engineers (ASME), 2011)Tightening torque is one of the main factors that could affect the connection quality in threaded connections. On the basis of elastic mechanics and thick cylinder theory, this paper established ... -
Failure Analysis of Type 304 Stainless Steel Tubes in an Energy Production Plant Heat Exchangers
(The American Society of Mechanical Engineers (ASME), 2011)This work includes results of studies and experiments conducted on heat exchanger (heater) tubes of an energy production unit to determine the causes of their fractures. Experiments indicated ... -
Use of Functionally Graded Material Layers in a Two-Layered Pressure Vessel
(The American Society of Mechanical Engineers (ASME), 2011)This work explores the possibilities of using functionally graded material (FGM) layers to reduce normal and shear stress gradients due to internal pressure and thermal loadings at the interface ... -
An Improved Anisotropic Tertiary Creep Damage Formulation
(The American Society of Mechanical Engineers (ASME), 2011)Directionally solidified (DS) Ni-base superalloys are commonly used as gas turbine materials to primarily extend the operational lives of components under high load and temperature. The nature ... -
Erratum: “Application of Negligible Creep Criteria to Candidate Materials for HTGR Pressure Vessel” (Journal of Pressure Vessel Technology, 2011, 133, p. 021103)
(The American Society of Mechanical Engineers (ASME), 2011)We are grateful to Dr. Richard N. Wright of the Idaho National Laboratory for the support of this work. We thank Mr. Masanori Ando of the Japan Atomic Energy Agency for providing the data ... -
Elevated Temperature Shakedown Concepts
(The American Society of Mechanical Engineers (ASME), 2011)This paper is the first part of a two part paper. It describes the concepts of shakedown at elevated temperatures that form the foundation for proposed rules described in the second paper ... -
Thermal Performance Analysis of Geologic High-Level Radioactive Waste Packages
(The American Society of Mechanical Engineers (ASME), 2011)The engineering design of disposal of the high level waste (HLW) packages in a geologic repository requires a thermal analysis to forecast the temperature history of the packages. Calculated ... -
Effects of Clad and Base Metal Thickness on Residual Stress in the Repair Weld of a Stainless Steel Clad Plate
(The American Society of Mechanical Engineers (ASME), 2011)This paper used finite element method (FEM) to predict the residual stresses in repair weld of a stainless steel clad plate. The effects of clad metal thickness and base metal thickness on ... -
Dynamic Analysis of Fracture in Thin-Walled Pipes
(The American Society of Mechanical Engineers (ASME), 2011)Dynamic fracture of thin-walled cylindrical structures is studied with a large deformation meshfree method. Due to the higher order continuity and smoothness of the shape functions, meshfree ... -
Hole Crack Problems in Infinite Plate Subjected to Uniform Internal Pressure
(The American Society of Mechanical Engineers (ASME), 2011)This brief deals with crack(s) emanating from a hole in infinite plate subjected to uniform internal pressure. Such a crack problem is called a hole crack problem for short. By using a hybrid ... -
Fluidelastic Instability in a Normal Triangular Tube Bundle Subjected to Air-Water Cross-Flow
(The American Society of Mechanical Engineers (ASME), 2011)This paper presents the results of tests on the vibration of a normal triangular tube bundle subjected to air–water cross-flow. The pitch-to-diameter ratio of the bundle is 1.5, and the tube ... -
Failure Investigation on Reheater Pendent Tubes Due to External Scale Exfoliation and Internal Scale Formation
(The American Society of Mechanical Engineers (ASME), 2011)This paper presents failure investigation on reheater pendent SA213-T22 tubes through visual inspections, steam-side scale and tube wall thickness measurements, metallurgical examinations, and creep ... -
Fatigue Modeling of a Notched Flat Plate Under Variable Amplitude Loading Supported by Elastoplastic Finite Element Method Analyses
(The American Society of Mechanical Engineers (ASME), 2011)Although intensive research has been carried out to understand the fatigue behavior of steel notched components, under variable amplitude loading, no definite and general robust models have been ... -
Experimental Study of Integrated Multilayer Clamping High Pressure Vessel
(The American Society of Mechanical Engineers (ASME), 2011)The hydrostatic test of integrated multilayer clamping high pressure vessel is performed from 15.7 MPa to 56.52 MPa (1.8 times of the design pressure). The measured stress values have deviation ... -
Study on the Effects of Switching Temperature on the Thermal Fatigue Life of the Shell-to-Skirt Junction of Coke Drum
(The American Society of Mechanical Engineers (ASME), 2011)In spite of the fact that coke drums are subjected to cyclic thermal and mechanical loads, generally, they are not designed for cyclic loads. Thus, their operational life is much shorter than ... -
A Novel Optical Method for Real-Time Control of Bolt Tightening
(The American Society of Mechanical Engineers (ASME), 2011)A digital speckle pattern interferometry (DSPI) system is developed for the real-time measurement and monitoring of the out-of-plane surface deformation around a preloaded bolt head or nut. The ... -
On the Stiffness of the Tangent Modulus Tensor in Elastoplasticity
(The American Society of Mechanical Engineers (ASME), 2011)In finite element analysis of pressure vessels undergoing elastoplastic deformation, low stiffness of the tangent modulus tensor will engender low stiffness in the tangent stiffness matrix, posing ... -
The Effect of the Welding on the Residual Contact Stress in the Expanded Zone of Expanded-Welded Tube-to-Tubesheet Joints
(The American Society of Mechanical Engineers (ASME), 2011)The fabrication of stainless steel tube-to-tubesheet joints of heat exchangers consists of welding after hydraulic expansion. Here, this process is simulated by use of the finite element method, ... -
Energy Based Modeling of Ultra High-Pressure Waterjet Surface Preparation Processes
(The American Society of Mechanical Engineers (ASME), 2011)Ultra high-pressure waterjets (UHP-WJ) have been emerging as a viable method for surface texturing, cleaning, and peening of metallic materials. Previous experimental studies have suggested that ... -
A Criterion for Combination Rule in Flaw Assessment of Parallel Surface Cracks
(The American Society of Mechanical Engineers (ASME), 2011)When multiple cracks approach one another, the stress intensity factor and J-integral value change due to the interaction of the stress field. Since the changes in these parameters are not ...