Journal of Pressure Vessel Technology: Recent submissions
Now showing items 2421-2440 of 4506
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Collapse Tests on Externally Pressurized Toroids
(The American Society of Mechanical Engineers (ASME), 2003)The paper discusses the load-carrying capacity of toroidal shells with closed circular cross section and loaded by static external pressure. Details about the manufacturing, pre-experiment measurements ... -
Effects of Water Flow Rate on Fatigue Life of Carbon Steel in Simulated LWR Environment Under Low Strain Rate Conditions
(The American Society of Mechanical Engineers (ASME), 2003)The flow rate of water flowing on a steel surface is considered to be one of the important factors strongly influencing the fatigue life of the steel, because the water flow produces difference ... -
Simplified Elastic-Plastic Analysis Method Using Ke Factors Obtained for the Real Structural Model
(The American Society of Mechanical Engineers (ASME), 2003)This paper describes a new simplified elastic-plastic analysis method, which utilizes a plastic strain multiplication factor (Ke factor) obtained from elastic-plastic finite element analysis (FEA) ... -
Prediction of Crack Initiation Direction for Surface Flaws Under Biaxial Loading
(The American Society of Mechanical Engineers (ASME), 2003)This paper presents a simple method based on the strain energy density factor ΔS to study the fatigue characteristics of rhombic plates with induced angled flaws under biaxial stress field. ... -
Effect of Temperature on Fatigue Crack Growth in CPVC
(The American Society of Mechanical Engineers (ASME), 2003)This study addresses the effect of temperature on fatigue crack growth (FCG) behavior of CPVC. FCG tests were conducted on CPVC SEN tensile specimens in the temperature range −10 to 70°C. ... -
Bifurcation Buckling Analysis of Conical Roof Shell Subjected to Dynamic Internal Pressure by the Finite Element Method
(The American Society of Mechanical Engineers (ASME), 2003)Cylindrical tanks with conical roof shells are utilized as oil storage tanks and for some containment vessels. It is known that conical roof shells and torispherical shells subjected to static ... -
A Finite Element Study on the Integrity Evaluation Method of Subclad Cracks Under Pressurized Thermal Shock Transients
(The American Society of Mechanical Engineers (ASME), 2003)The reactor pressure vessel is usually clad with stainless steel to prevent corrosion and radiation embrittlement, and thus, the population of subclad cracks is higher than that of surface ... -
Experimental Investigation of Heat Exchanger Tubesheet Hole Enlargement
(The American Society of Mechanical Engineers (ASME), 2003)An experimental study has been conducted to evaluate the effect of roller expansion of heat exchanger tubes in enlarged tubesheet holes on joint strength, tube wall reduction (i.e., thinning), ... -
Elasticity Solutions for Laminated Orthotropic Cylindrical Shells Subjected to Localized Longitudinal and Circumferential Moments
(The American Society of Mechanical Engineers (ASME), 2003)The purpose of this work is to present baseline elasticity solutions for laminated composite shells subjected to localized moments. For simply supported cross-ply cylindrical shells, the problem ... -
Acoustic Vibration in a Stack Induced by Pipe Bends
(The American Society of Mechanical Engineers (ASME), 2003)Acoustic vibration in two stack liners located inside a stack downstream of two induced draft fans occurred at high loads. Measurements confirmed that an acoustic wave developed in the fundamental ... -
Limit Load Bounds for the mα Multiplier
(The American Society of Mechanical Engineers (ASME), 2003)Limit analysis is an important tool to assess the integrity of a structure. Successive elastic modulus adjustment, in particular, can simulate the plastic stress redistribution in a structure ... -
Measurement of Pressure Drop in a Full-Scale Fuel Assembly of a Liquid Metal Reactor
(The American Society of Mechanical Engineers (ASME), 2003)An experimental study has been carried out to measure the pressure drop in a 271-pin fuel assembly of a liquid metal reactor. The rod pitch to rod diameter ratio (P/D) of the fuel assembly ... -
Parallel Numerical Prediction of Pulverized Coal Particle Flow in Bifurcator-Type Flow Splitters
(The American Society of Mechanical Engineers (ASME), 2003)This paper deals with the numerical simulation of two-phase flows based on the solution of the Navier-Stokes equations with a k−ε turbulence model for the gas phase and a particle tracking ... -
Yield Pressure Measurements and Analysis for Autofrettaged Cannons
(The American Society of Mechanical Engineers (ASME), 2003)Yield pressure corresponding to a small permanent OD strain was measured in quasi-static laboratory tests of autofrettaged ASTM A723 steel cannon pressure vessels. Yield pressure was found to ... -
Intensive Quenching Theory and Application for Imparting High Residual Surface Compressive Stresses in Pressure Vessel Components
(The American Society of Mechanical Engineers (ASME), 2003)An alternative method for the hardening of steel parts has been developed as a means of providing steel products with superior mechanical properties through development of high residual compressive ... -
Study of Nonuniform In-Plane and In-Depth Residual Stress of Friction Stir Welding
(The American Society of Mechanical Engineers (ASME), 2003)Friction stir welding (FSW) is a newly developed welding technique that can join aluminum alloys of low fusion weldability. The conventional hole-drilling method does not consider the nonuniform ... -
Suppression of Acoustic Waves in Steam Generator and Heat Exchanger Tube Banks
(The American Society of Mechanical Engineers (ASME), 2003)Tube banks located in flow channels and exposed to crossflow have a low resistance to acoustic resonance and vibration in general. Such resistance can be increased substantially by placing ... -
A Probabilistic Assessment of the Design S-N Curves for 1Cr18Ni9Ti Pipe-Welded Joint
(The American Society of Mechanical Engineers (ASME), 2003)A probabilistic assessment is made of the design S-N curves for 1Cr18Ni9Ti pipe-welded joint. The material exhibits a character of random cyclic stress-strain and fatigue life responses. Then, ... -
Elastic Stresses in Elbows Submitted to In-Plane Bending Moment
(The American Society of Mechanical Engineers (ASME), 2003)New analytical equations are developed to calculate stresses in an elbow submitted to an in-plane bending moment. If a detailed stress analysis is asked (for example, for the elastic stress ... -
Influence of Pad Reinforcement on the Limit and Burst Pressures of a Cylinder-Cylinder Intersection
(The American Society of Mechanical Engineers (ASME), 2003)The purpose of the paper is to provide experimental results for the limit pressure of a vessel-nozzle intersection under internal pressure with and without an intermediate pad-reinforced opening ...