Journal of Pressure Vessel Technology: Recent submissions
Now showing items 2461-2480 of 4506
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The Influence of Additives on the Temperature, Heat Transfer, Wear, Fatigue Life, and Self Ignition Characteristics of a 155 mm Gun
(The American Society of Mechanical Engineers (ASME), 2003)The temperature and heat transfer per round was measured at the bore surface of a 155 mm AS90 extended range ordnance. The ammunition was fired with and without wear-reducing additive and the ... -
Residual Stresses and Lifetimes of Tubes Subjected to Shrink Fit Prior to Autofrettage
(The American Society of Mechanical Engineers (ASME), 2003)There is increasing interest in the use of compound cylinders that combine shrink fit and autofrettage, taking account of Bauschinger effect. Previous work has analyzed material removal from a ... -
Characterization of Steels Using a Revised Kinematic Hardening Model Incorporating Bauschinger Effect
(The American Society of Mechanical Engineers (ASME), 2003)A new variant of the nonlinear kinematic hardening model is proposed which accommodates both nonlinear and linear strain hardening during initial tensile loading and reduced elastic modulus during ... -
Critical Fracture Processes in Army Cannons: A Review
(The American Society of Mechanical Engineers (ASME), 2003)Fast fracture in cannons can be well described using elastic-plastic fracture toughness, in combination with comparisons of cannon section size relative to the size required to maintain plane ... -
Elasto-Plastic Stresses in Thick Walled Cylinders
(The American Society of Mechanical Engineers (ASME), 2003)In the optimal design of a modern gun barrel, there are two main objectives to be achieved: increasing its strength-weight ratio and extending its fatigue life. This can be carried out by ... -
Failure Studies on Flow Formed High Strength Pressure Vessel: A Case Study
(The American Society of Mechanical Engineers (ASME), 2003)High strength thin walled flow formed tubes are manufactured from AISI 4130 medium carbon low alloy steel. Starting with an ultimate tensile strength of 650 MPa, the material has recorded a ... -
Finite Element Simulation of the Sachs Boring Method of Measuring Residual Stresses in Thick-Walled Cylinders
(The American Society of Mechanical Engineers (ASME), 2003)During a recent study the residual strain/stress states through the walls of autofrettaged thick-walled high-strength steel cylinders were measured with neutron diffraction, Sachs boring and the ... -
Erosions and Their Effect on the Fatigue Life of Thick Walled, Autofrettaged, Pressurized Vessels
(The American Society of Mechanical Engineers (ASME), 2003)This paper summarizes the results that have been found in evaluating the effect of erosions on thick walled, autofrettaged, pressurized, cracked vessels. The problem is solved numerically via ... -
Numerical Analysis of Unsteady Conjugate Heat Transfer and Thermal Stress for a Curved Piping System Subjected to Thermal Stratification
(The American Society of Mechanical Engineers (ASME), 2003)This paper addresses three-dimensional numerical analyses of the unsteady conjugate heat transfer and thermal stress for a PWR pressurizer surge line pipe with a finite wall thickness, subjected ... -
Calculation of Stress Intensity Factors and Crack Opening Displacements for Cracks Subjected to Complex Stress Fields
(The American Society of Mechanical Engineers (ASME), 2003)Fatigue cracks in shot peened and case hardened notched machine components and high-pressure vessels are subjected to the stress fields induced by the external load and the residual stress ... -
On Thick-Walled Cylinder Under Internal Pressure
(The American Society of Mechanical Engineers (ASME), 2003)A technique for elastic-plastic analysis of a thick-walled elastic-plastic cylinder under internal pressure is proposed. It involves two parametric functions and piecewise linearization of the ... -
Special Issue on Pressure Vessels Technology Applied to Gun Tubes
(The American Society of Mechanical Engineers (ASME), 2003)The last open conference with a focus on large caliber gun tube design took place in 1983; since then there have been significant technological and strategic developments. The GT2002 conference ... -
CFD-Tools Qualification for Thermal-Hydraulics Pressurized Thermal Shock Analysis
(The American Society of Mechanical Engineers (ASME), 2003)This paper explains the numerical program concerning the E.D.F. CFD tools qualification for Safety Injection studies. Within the frame of the plant life time project, an analysis has shown that ... -
Analysis of Uniform Arrays of Three-Dimensional Unequal-Depth Cracks in a Thick-Walled Cylindrical Pressure Vessel
(The American Society of Mechanical Engineers (ASME), 2003)The effect of crack depth unevenness on the mode I stress intensity factor (SIF) distributions along the fronts of semi-elliptical surface cracks is studied. These three-dimensional radial cracks ... -
Study of the Effect of Boundary Conditions on Residual Stresses in Welding Using Element Birth and Element Movement Techniques
(The American Society of Mechanical Engineers (ASME), 2003)The structure in which the welding process is performed highly affects the residual stresses generated in the welding. This effect is simulated by choosing the appropriate boundary conditions ... -
Fluid-Structure Interaction of Stirrers in Mixing Vessels
(The American Society of Mechanical Engineers (ASME), 2003)Mixing stirrers are subject to severe damages when the rotational speed approaches the Eigenfrequency. Because of resonant vibrations, the stirrer deflection approaches infinity in the no damping ... -
Geometric Constants in Plain Cross-Bored Cylinders
(The American Society of Mechanical Engineers (ASME), 2003)A three-dimensional FEM computer program was developed to establish the stress distributions and SCFs in thick walled cylinders with flush and nonprotruding plain cross bores under internal ... -
Thermoacoustically-Based Combustion Oscillation in a Gas Turbine—A Brief Note
(The American Society of Mechanical Engineers (ASME), 2003)Thermoacoustic combustion oscillation and vibration experienced in a gas turbine at operation is reported. The oscillation manifested itself at two distinct frequencies representing the first and ... -
Controlled Tightening Over the Yield Point of a Screw: Based on Taylor’s Series Expansions
(The American Society of Mechanical Engineers (ASME), 2003)The technique presented here focuses on the probabilistic nature of the different variables necessary for the calculation of screwed joints. The technique is based on Taylor’s series expansions ... -
Application of Arbitrary Lagrange Euler Formulations to Flow-Induced Vibration Problems
(The American Society of Mechanical Engineers (ASME), 2003)Most classical fluid force identification methods rely on mechanical structure response measurements associated with convenient data processes providing turbulent and fluid-elastic forces responsible ...