Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 30 for “"ASME"”.
-
Critical Erosion/Corrosion Piping Wall Thicknesses Under Static and Fatigue Stress Conditions According to ASME Guidelines
… and Nickel 200. In addition, procedures of the ASME for fatigue curve analysis and implementation of fatigue data were investigated. These four stress-to-number of cycles (S-N) fatigue curves were added to Tmin's internal Microsoft Access® database. Next, a 2-D vertical piping span …
-
Assessing the applicability of the ASME V&V20 standard for uncertainty quantification of CFD in nuclear systems fluid modeling
… exIsts on current UQ methods. In thIs study, the ASME V&V20 I a proposed methodology for UQ of CFD -- Is applIed to a benchmark nuclear system turbulent mIxIng case In an effort to assess the applIcabIlIty and lImItatIons of the standard.
-
Ultrasonic Attenuation In As-Deposited Inconel 182 Weld Metal and Recommended Techniques for Discontinuity Evaluation.
… by the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code, Section III. Furthermore, ultrasonic examination guidelines are prescribed in ASME Sections III and XI.
-
A study of the behaviour of pressurized piping elbows
… results presented in this thesis and the current ASME piping code for the pressure reduction effect under in-plane closing bending confirms that the ASME code formulae underestimates the pressure reduction for flexibility and stress-intensification. If the ASME formulae are applied for in-plane …
-
Análise comparativa dos critérios do código ASME, seção VIII Divisão l e Divisão 2, para tensões de cascas delgadas e de revolução, usando o Método dos Elementos Finitos
… Method, and to compare them with those of ASME Code-Pressure Vessel, Section VIII Division 2. This Division deals with detailed stress analysis in function of the load and its location, providing different allowable stresses. This is an improvement over Division I, that user only the …
-
Finite Element Modeling of Buried Longitudinally Welded Large-Diameter Oil Pipelines Subject to Fatigue
… is governed in Canada by CSA Z662, ASME B31.4, and ASME BPVC Section VIII. Although these codes provide general guidelines on pipeline design, many aspects of modelling the pipeline are not given in detail, and the results can vary significantly based on how these details are …
-
A Dynamic Stress Investigation of Intersecting Cylinders by the Finite Element Method
… are deduced and then compared with the present ASME code implementation regarding intersecting cylinders.
-
Modelling of Graphite Elements and Low Enriched Fuel Assemblies for a High Temperature Gas-Cooled Reactor
… components. The stresses are evaluated using the ASME code for graphite components in nuclear reactors. A 2D generalized plane strain model is used to predict the ASME equivalent stresses throughout assemblies at the inlet, midplane, and outlet over 15 years of steady state operation. The effects …
-
Practical Analysis Tools for Structures Subjected to Flow-Induced and Non-Stationary Random Loads
… by the American Society of Mechanical Engineers (ASME), of simple response prediction of sensors were found to be lacking in several key areas, which prompted development of the tool described herein. A particular limitation of the existing guidelines deals with complex stochastic stationary and …
-
The design and engineering of a reactor test facility for thermal processing of biomass
… on examination of the stringent demands of the ASME VIII design codes. The inter-relationship of functional units was investigated and areas of deficiency, such as biomass feeders and gas cleaning, have been commented upon. Finally, plant costing was summarized in relation to the plant design …
-
Design, verification and validation of a dynamic model for an intramuscular autoinjector
… Engineers Verification and Validation Standards (ASME V&V 40 and V&V20). This was accompanied by fluid characterisation of four medications, namely adrenaline, amikacin, Vaxigrip and insulin basaglar using a rheometer. The ZwickRoell universal tester measured the syringe force and plunger …
-
An object oriented curve and surface framework
… transfer of data through files with an ISO/ANSI/ASME accepted format. Five curve classes and two surface classes are implemented to demonstrate the potential of the framework. The curve classes include a Line, Polyline, Arc, Cubic Bézier, and NonUniform Cubic B-Spline Curve classes, and the …
-
Local Positive Velocity Feedback for the movement control of elastic joints in closed kinematic chains : a modelling and simulation study of a 2DoF arm and a 3DoF insect leg
… Craig (Raibert and Craig, 1981, Trans. of the ASME, 102: 126-133) oder auf dem "impedance control" Ansatz von Hogan (Hogan, 1985, ASME J. Dynam. Syst., Meas., Contr., 107: 1-23). Für die Ansteuerung einer sechsbeinigen Laufmaschine mit insgesamt 18 Gelenken müssen dafür die entsprechenden …
-
Adecuación de la normativa de acotación a las T.I.C. Propuesta de nueva norma
… the most widespread dimensioning standards (ISO, ASME, DIN, UNE, BSI), through several tests and questionnaires carried out by technicians of CAD3D design. The results achieved allow us to state that the suggested dimensioning system is suitable to be used with 3D models and their 2D projections; …
-
Bolted flanged connections made of fiber reinforced plastic materials
… to investigate bolted flanged connections. The ASME Boiler and Pressure Vessel Code or the codes of other industrialized countries do not include specific rules for the design of FRP bolted flanged connections. Up to now, the only work done on fiber reinforced plastic flanges has either been …
-
Aeroacoustic measurement and analysis of transient supersonic hot nozzle flows
… (2) a series of 5.1 - 10.2 cm exit diameter ASME standard axisymmetric nozzles, and (3) a 1/1 2th scale version of a modern mixer-ejector nozzle. Scaled versions of nozzles (2) and (3) were tested at Boeing's steady-state low speed aeroacoustic facility for comparison to the transient shock …
-
Design of passive decay heat removal system for the lead cooled flexible conversion ratio fast reactor
… event. The static stress was found to be within ASME code limits. Seismic analysis determined that a seismic isolation scheme would be necessary in order to prevent damage to the vessel during an earthquake.
-
Assessment of Model Validation, Calibration, and Prediction Approaches in the Presence of Uncertainty
… 3) the standard validation uncertainty from ASME VandV 20, and 4) Bayesian updating of a model discrepancy term. Details are given for the application of the MAVM for accounting for small experimental sample sizes. To provide an unambiguous assessment of these different approaches, synthetic …
-
The design of a functionally graded composite for service in high temperature lead and lead-bismuth cooled nuclear reactors
… and co-extruding them, followed by pilgering. An ASME certified weld was performed followed by the prescribed quench-and-tempering heat treatment for F91. A minimal heat affected zone was observed, demonstrating field weldability. Finally, corrosion tests were performed on the fabricated FGC at …
-
Improving the strength of 3DP parts and development of controlled strength cellular structure investment casting shell
… of 3DP to investment casting (Sach 1992, ASME) as well as reduction in material consumption, controlled heat transfer, permeability, and of course controlled strength to eliminate stress related defects. The cellular structure ceramic mold is designed to withstand the pouring pressures of …
Page 1 of 2