Journal of Pressure Vessel Technology: Recent submissions
Now showing items 2261-2280 of 4506
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Limit and Burst Pressures for a Cylindrical Vessel With a 30 deg—Lateral (d/D≥0.5)
(The American Society of Mechanical Engineers (ASME), 2005)The purpose of this paper is to provide research results for a cylindrical vessel—30 deg lateral intersection with diameter ratio d/D≥0.5 under increasing internal pressure loading. The results ... -
Reference Stress Based Approach to Predict Failure Strength of Pipes With Local Wall Thinning Under Combined Loading
(The American Society of Mechanical Engineers (ASME), 2005)In the previous work carried out by the authors, a new method to estimate failure strength of a pipe with local wall thinning subject to either internal pressure or global bending has been ... -
Information Fusion Technique for Evaluating Radiation Embrittlement of Reactor Pressure Vessel Steels
(The American Society of Mechanical Engineers (ASME), 2005)A new approach that utilizes the information fusion technique was developed to predict the radiation embrittlement of reactor pressure vessel (RPV) steels. The Charpy transition temperature-shift ... -
Fitness-for-Service Methodology Based on Variational Principles in Plasticity
(The American Society of Mechanical Engineers (ASME), 2005)A variational formulation in plasticity has been used to develop improved limit load estimation technique, such as the m-alpha method. Lower bound limit load estimates are especially germane to ... -
Optimization of Loads in Piping Systems by the Realistic Calculation Method Applying Fluid-Structure-Interaction (FSI) and Dynamic Friction
(The American Society of Mechanical Engineers (ASME), 2005)To reduce costs and to extend the lifetime of piping systems their design loads due to valve action have to be optimized. To get the best effect the results of the fluiddynamic and structural ... -
Analytical Study of Flow Regimes for Direct Contact Condensation Based on Parametrical Investigation
(The American Society of Mechanical Engineers (ASME), 2005)Various industrial devices exist where direct contact condensation (DCC) of steam in water takes place. Typical examples are the nuclear reactor coolant systems, steam driven jet pumps, and ... -
Modeling Two-Phase Flow in Pipe Bends
(The American Society of Mechanical Engineers (ASME), 2005)In order to have a better understanding of the interaction between the two-phase steam-water coolant in the outlet feeder pipes of the primary heat transport system of some CANDU reactors and ... -
The Effect of Reduced Design Margin on the Fire Survivability of ASME Code Propane Tanks
(The American Society of Mechanical Engineers (ASME), 2005)In the 1999 addenda to the 1998 ASME pressure vessel code, Section VIII, Div. 1 there was a change in design margin for unfired pressure vessels from 4.0 to 3.5. This has resulted in the ... -
Stresses Within Compound Tubes Comprising a Steel Liner and an External Carbon-Fiber Wrapped Laminate
(The American Society of Mechanical Engineers (ASME), 2005)There is increasing interest in techniques that permit weight reduction of thick cylinders, particularly gun barrels. The method examined within this paper involves the external wrapping of a ... -
Application of a Multiobjective Optimization to Risk-Based Inservice Testing
(The American Society of Mechanical Engineers (ASME), 2005)This paper proposes a methodology for applying a multiobjective optimization to risk-based inservice testing with robustness. The multiobjective optimization is applied to solve the tradeoff between ... -
Fabrication, Construction, and Operation Problems for Grade 91 Fossil Power Components
(The American Society of Mechanical Engineers (ASME), 2005)The use of creep strength enhanced ferritic alloys, such as Grade 91, in fossil power plants has become popular for high temperature applications. Since Grade 91 has higher stress allowables ... -
Case Study of the Use of API 581 on HK and HP Material Furnace Tubes
(The American Society of Mechanical Engineers (ASME), 2005)Risk-based inspection guidelines have been created by several technical societies, most notably the ASME and API. This study intends to show how one of these techniques, American Petroleum ... -
Modeling Gas-Liquid Head Performance of Electrical Submersible Pumps
(The American Society of Mechanical Engineers (ASME), 2005)This study presents a new gas-liquid model to predict electrical submersible pumps head performance. The newly derived approach based on gas-liquid momentum equations along pump channels has ... -
10-Year Experience With T23(2.25Cr-1.6W) and T122(12Cr-0.4Mo-2W) in a Power Boiler
(The American Society of Mechanical Engineers (ASME), 2005)Tungsten strengthened ferritic steels, 2.25Cr-1.6W-V-Nb and 12Cr-0.4Mo-2W-V-Nb-Cu have been developed and approved by the ASME Boiler and Pressure Vessels Code Committee for use in Section I ... -
Finite Element Predictions of Temperature Distributions in a Multipass Welded Piping Branch Junction
(The American Society of Mechanical Engineers (ASME), 2005)This contribution deals with the complex temperature profiles that are generated by the welding process in the intersection region of thick walled, cylinder-cylinder junctions. These affect material ... -
On the Violence of High Explosive Reactions
(The American Society of Mechanical Engineers (ASME), 2005)High explosive reactions can be caused by three general energy deposition processes: impact ignition by frictional and/or shear heating; bulk thermal heating; and shock compression. The violence ... -
Increased Temperature Margins Due to Constraint Loss
(The American Society of Mechanical Engineers (ASME), 2005)Enhanced levels of toughness due to loss of crack tip constraint have been related to temperature shifts in the ductile–brittle transition curve. An argument to quantify the temperature shift ... -
Effects of Flow–Pipe Interaction on Drill Pipe Buckling and Dynamics
(The American Society of Mechanical Engineers (ASME), 2005)A theoretical study has been performed on the buckling and lateral vibration of drillpipe interacted with incompressible fluid in vertical holes. Particular attention is paid to the flow–pipe ... -
Integrity Assessment of Pressure Components With Local Hot Spots
(The American Society of Mechanical Engineers (ASME), 2005)Local hot spots can occur in some pressure vessels and piping systems used in industrial processes. The hot spots could be a result of, for instance, localized loss of refractory lining on ... -
Analysis of Surface Crack in Cylinder by Finite Element Alternating Method
(The American Society of Mechanical Engineers (ASME), 2005)The finite element alternating method (FEAM), in conjunction with the finite element analysis (FEA) and the analytical solution for an elliptical crack in an infinite solid subject to arbitrary ...