Journal of Pressure Vessel Technology: Recent submissions
Now showing items 1361-1380 of 4506
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A Fully Implicit, Lower Bound, Multi Axial Solution Strategy for Direct Ratchet Boundary Evaluation: Theoretical Development
(The American Society of Mechanical Engineers (ASME), 2013)Ensuring sufficient safety against ratchet is a fundamental requirement in pressure vessel design. Determining the ratchet boundary can prove difficult and computationally expensive when using a full elastic–plastic ... -
Simplified Stress Linearization Method, Maintaining Accuracy
(The American Society of Mechanical Engineers (ASME), 2013)ASME PVP Code stress linearization is needed for assessment of primary and primaryplussecondary stresses. The linearization process is not precisely defined by the Code; as a result, it may be interpreted differently by ... -
Plastic Response Estimation in Repeated Elastic Analyses for Strain Hardening Material Model
(The American Society of Mechanical Engineers (ASME), 2013)Simplified limit analysis techniques have already been employed for limit load estimation on the basis of linear elastic finite element analysis (FEA) assuming elasticperfectlyplastic material model. Due to strain hardening, ... -
Limit Load Evaluation Using the mخ± Tangent Multiplier in Conjunction With Elastic Modulus Adjustment Procedure
(The American Society of Mechanical Engineers (ASME), 2013)In this paper, the mخ±tangent multiplier is used in conjunction with the elastic modulus adjustment procedure (EMAP) for limit load determination. This technique is applied to a number of mechanical components possessing ... -
An Analytical Symplecticity Method for Axial Compression Plastic Buckling of Cylindrical Shells
(The American Society of Mechanical Engineers (ASME), 2013)This study is mainly concerned with the analytical solutions of plastic bifurcation buckling of cylindrical shells under compressive load. The analysis is based on the J2 deformation theory with a linear hardening and ... -
Low Cycle Fatigue Behavior and Seismic Assessment for Pipe Bend Having Local Wall Thinning Influence of Internal Pressure
(The American Society of Mechanical Engineers (ASME), 2013)One of the concerned technical issues in the nuclear piping under operation is pipe wall thinning caused by flow accelerated corrosion. This paper focuses on influence of internal pressure on low cycle fatigue life of pipe ... -
Burst Pressure Assessment of Pressure Vessel Using Finite Element Analysis: A Review
(The American Society of Mechanical Engineers (ASME), 2013)The main objective of this paper is to review various types of methods, formulae, and theories used for the calculation of burst strength of pressure vessel. The pressure at which the pressure vessel should burst if all ... -
Critical Section Selection Methodology for the U.S. EPRTM Standard Nuclear Power Plant
(The American Society of Mechanical Engineers (ASME), 2013)A threetier critical section selection methodology that is used to identify critical sections for the U.S. EPRTM standard nuclear power plant (NPP) is presented. The critical section selection methodology includes three ... -
Gas System Leakage Pressure Decayآ©
(The American Society of Mechanical Engineers (ASME), 2013)An inactive gas piping system with minor leaks may require repressurizing if the system pressure cannot be allowed to fall to atmospheric pressure, for example, to maintain cleanliness. In this study, a simple hand calculation ... -
Design of a Magnetic Resonance Imaging Compatible Metallic Pressure Vessel
(The American Society of Mechanical Engineers (ASME), 2013)Highpressure measurements in most scientific fields rely on metal vessels, a consequence of the superior tensile strength of metals. Magnetic resonance imaging in conjunction with metallic pressure vessels has recently ... -
Evaluation of Inelastic Seismic Response of a Piping System Using a Modified Iterative Response Spectrum Method
(The American Society of Mechanical Engineers (ASME), 2013)In pressurized piping systems, strain accumulation may take place due to cyclic loading during a seismic event. This incremental plastic deformation called ratcheting may lead to failure of the piping systems. There is no ... -
Ultrasonic Evaluation of Welding Residual Stresses in Stainless Steel Pressure Vessel
(The American Society of Mechanical Engineers (ASME), 2013)This paper investigates ultrasonic method in stress measurement of a pressure vessel made of austenitic stainless steel 304 L. Longitudinal critically refracted (LCR) waves are employed to measure the welding residual ... -
Thermomechanical Behavior of Pressure Tube Under Small Break Loss of Coolant Accident for PHWR
(The American Society of Mechanical Engineers (ASME), 2013)Some postulated events for pressurized heavy water reactor (PHWR) small break loss of coolant accident (SBLOCA) may lead to flow stratification in the reactor channels. Such stratified flow causes a circumferential temperature ... -
Experimental and Analytical Studies on the Effect of Excessive Loading on Fatigue Crack Propagation in Piping Materials
(The American Society of Mechanical Engineers (ASME), 2013)The seismic design review guide in Japan was revised in September 2006 to address the occurrence of a large earthquake beyond the design basis. In addition, Japanese nuclear power plants (NPPs) experienced multiple large ... -
Eddy Current Nondestructive Testing for Carbon Fiber Reinforced Composites
(The American Society of Mechanical Engineers (ASME), 2013)This paper describes the use of an eddy current testing (ECT) method for the inspection and detection of impact damage in carbon fiberreinforced composites (CFRP). ECT method is a nondestructive testing (NDT) method where ... -
Experimental Investigation of Failure Estimation Method for Stainless Steel Pipes With a Circumferential Crack Subjected to Combined Tensile and Torsion Loads
(The American Society of Mechanical Engineers (ASME), 2013)When a crack is detected in a stainless steel pipe during inservice inspections, the failure estimation method given in codes such as the ASME Boiler and Pressure Vessel Code Section XI or JSME Rules on FitnessforService ... -
Residual Stress Characterization in a Dissimilar Metal Weld Nuclear Reactor Piping System Mock Up
(The American Society of Mechanical Engineers (ASME), 2013)Timeofflight neutron diffraction, contour method, and surface hole drilling residual stress measurements were conducted at Los Alamos National Lab (LANL) on a lab sized plate specimen (P4) from phase 1 of the joint U.S. ... -
Elastic Stress Distribution in Layered Spherical Shells With Gaps Caused by Internal Pressure
(The American Society of Mechanical Engineers (ASME), 2013)An interlayer gap is inevitable in layered spherical shells. Therefore, the classic formulae for the monobloc spherical shell can no longer be used. In this paper, the formulae for the elastic stress calculation of layered ... -
Damage Caused by Dynamic/Cyclic Loading of a Detonation Chamber
(The American Society of Mechanical Engineers (ASME), 2013)The plastic damage caused by multiple dynamic loading and its influence on the ductility and toughness of 3.5% Ni steel (SA203E) and C steel (SA516M) were examined for the discussion of integrity design of detonation ... -
Study of Life Prediction and Damage Mechanism for Modified 9Cr 1Mo Steel Under Creep Fatigue Interaction
(The American Society of Mechanical Engineers (ASME), 2013)Creepfatigue interaction is a principal cause of failures of many engineering components under high temperature and cyclic loading. In this work, stress controlled creepfatigue interaction tests are carried out for modified ...