Journal of Pressure Vessel Technology: Recent submissions
Now showing items 1581-1600 of 4506
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Simultaneous Optimal Design of the Lyapunov-Based Semi-Active Control and the Semi-Active Vibration Control Device: Inverse Lyapunov Approach
(The American Society of Mechanical Engineers (ASME), 2012)We address a simultaneous optimal design problem of a semi-active (SA) control law and design parameters in a semi-active control device for civil structures. The vibration control device (VCD) ... -
Dynamic Analysis of Heterogeneous Pressure Vessels Subjected to Thermomechanical Loads
(The American Society of Mechanical Engineers (ASME), 2012)The elastic analysis of two different kinds of radially heterogeneous pressure vessels is conducted in this paper. As a first kind of heterogeneous pressure vessels, a multilayered pipe with ... -
Universal Weight Function Consistent Method to Fit Polynomial Stress Distribution for Calculation of Stress Intensity Factor
(The American Society of Mechanical Engineers (ASME), 2012)Procedures for the analytical evaluation of flaws in nuclear pressure boundary components are provided in Section XI of the ASME B&PV Code. The flaw evaluation procedure requires calculation ... -
Assuring Tube-to-Tubesheet Joint Tightness and Strength
(The American Society of Mechanical Engineers (ASME), 2012)This paper describes preparing mockup tubesheet specimens for visual examination using a digital microscope to determine that tube-to-tubesheet joint welds are of the specified size and that ... -
Numerical Calculation of Additional Moments Due to Weight for High Uniform Columns
(The American Society of Mechanical Engineers (ASME), 2012)On the basis of analyzing all the forces on the self-supported uniform high column, the superposition method in mechanics of materials and a MATLAB program were used to calculate the additional ... -
On the Use of Theory of Rings on Nonlinear Elastic Foundation to Study the Effect of Bolt Spacing in Bolted Flange Joints
(The American Society of Mechanical Engineers (ASME), 2012)Bolted flange joints are extensively used to connect pressure vessels and piping equipment together. They are simple structures that offer the possibility of disassembly. However, they often ... -
Experimental Demonstration of Shakedown in a Vessel Submitted to Impulsive Loading
(The American Society of Mechanical Engineers (ASME), 2012)Vessels subjected to internal impulsive loadings, such as those used for controlled-detonation chambers, can be designed for a single impulsive load application or for multiple impulsive loads. ... -
A Survey of Fitness-for-Service Trends in Industry
(The American Society of Mechanical Engineers (ASME), 2011)In 2002, TWI Ltd. carried out a questionnaire-based survey of “user experience of plant life management practices,” to gain a better understanding of the reality of plant life management and ... -
Damping of Heat Exchanger Tubes in Liquids: Review and Design Guidelines
(The American Society of Mechanical Engineers (ASME), 2011)This paper addresses the question of damping of multispan heat exchanger tubes with liquids (mostly water) on the shell side. The different energy dissipation mechanisms that contribute to damping ... -
Materials Databases and Knowledge Management for Advanced Nuclear Technologies
(The American Society of Mechanical Engineers (ASME), 2011)International collaborations like the generation IV initiative have the aim to create the technical basis for design and operation of advanced nuclear plants. Materials data shall be created in ... -
Material Selection Methodology Used in Czech NPP
(The American Society of Mechanical Engineers (ASME), 2011)This paper describes the structure of the Standard Technical Documentation of the Association of Mechanical Engineers of Czech Republic, Sec. II, “Material Properties for Equipments and Pipings ... -
Develop Acceptance Criteria of Pressure Test of Buried Pipeline Using Uncertainty Analysis
(The American Society of Mechanical Engineers (ASME), 2011)Hydrotest is one of the most important inspection activities to assess the integrity of pipelines prior to starting transportation of hazardous liquids. If the pipeline is buried, and welds ... -
A New Connection Structure Between Hydrogen Nozzle and Sphere Head in a Hydrofining Reactor
(The American Society of Mechanical Engineers (ASME), 2011)This paper presents a study of the residual stress in the welding connection between hydrogen nozzle and spherical head in a hydrofining reactor. A sequential coupling finite element program ... -
A New OCTG Strength Equation for Collapse Under External Load Only
(The American Society of Mechanical Engineers (ASME), 2011)The influence of manufacturing technology and imperfections on casing collapse strength is not considered in API bulletin 5C3. In the meantime, the current casing true collapse strength cannot ... -
Fracture of Wrinkled Pipes Subjected to Monotonic Deformation: An Experimental Investigation
(The American Society of Mechanical Engineers (ASME), 2011)Buried pipelines, used by petrochemical industries in North America for transporting oil and derivatives, are often subjected to large deformations resulting from geo-environmental factors and ... -
Experimental Study of Three-Dimensional Identification of Semi-Elliptical Crack on the Back Surface by Means of Direct-Current Electrical Potential Difference Method of Multiple-Point Measurement Type
(The American Society of Mechanical Engineers (ASME), 2011)A method for identification of a semi-elliptical crack on the back surface of metal plate by means of direct-current electrical potential difference method (DC-PDM) of multiple-point measurement ... -
Assessment of the Code “PTCREEP ” for IPHWR Pressure Tube Ballooning Study
(The American Society of Mechanical Engineers (ASME), 2011)In Indian pressurized heavy water reactor (PHWR), loss of coolant accident with simultaneous failure of emergency core cooling system can lead to significant temperature rise in the pressure ... -
Failure of Ductile Materials Subject to Varying Strain Rates
(The American Society of Mechanical Engineers (ASME), 2011)Strain rate affects the mechanical properties of ductile materials in terms of their stiffness and strength. In particular, yield and failure strengths and strains depend on the strain rate ... -
Effect of Transitions in the Water Table and Soil Moisture Content on the Cathodic Protection of Buried Pipelines
(The American Society of Mechanical Engineers (ASME), 2011)Buried pipelines can be subject to transitional environments due to changes in soil type or moisture content. Changes in the height of the water table, for example, will affect not only the ... -
The Effects of Residual Stress Distribution and Component Geometry on the Stress Intensity Factor of Surface Cracks
(The American Society of Mechanical Engineers (ASME), 2011)The stress intensity factor estimated by the appropriate modeling of components is essential for the evaluation of crack growth behavior in stress corrosion cracking. For the appropriate modeling ...