Journal of Pressure Vessel Technology: Recent submissions
Now showing items 1201-1220 of 4506
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Elastic and Inelastic Responses of C(T) Specimens With Discontinuous Cracks
(The American Society of Mechanical Engineers (ASME), 2015)This paper investigates elastic and elastic–plastic responses of a plane strain compact tension specimen containing a discontinuous crack using twodimensional (2D) finite element analyses. Discontinuous cracking is ... -
Effect of Weld Residual Stress Fitting on Stress Intensity Factor for Circumferential Surface Cracks in Pipe
(The American Society of Mechanical Engineers (ASME), 2015)Recent studies have shown that the crack growth of primary water stress corrosion cracking (PWSCC) is mainly driven by the weld residual stress (WRS) within the dissimilar metal weld. The existing stress intensity factor ... -
Investigation of Clamping Effect on the Welding Residual Stress and Deformation of Monel Plates by Using the Ultrasonic Stress Measurement and Finite Element Method
(The American Society of Mechanical Engineers (ASME), 2015)Welding of nickelbased alloys is increasingly used in the industry to manufacture many important components of the marine industries, chemical processing, etc. In this study, a 3D thermomechanical finite element (FE) ... -
Low Cycle Fatigue of Pressurized Steel Elbows Under In Plane Bending
(The American Society of Mechanical Engineers (ASME), 2015)The present study examines the mechanical behavior of steel process piping elbows, subjected to strong cyclic loading conditions. The work is numerical, supported by experimental data on elbow specimens subjected to inplane ... -
Dynamic Interaction Between Two Fluid Filled Circular Pipelines in Saturated Poroelastic Medium Subjected to Harmonic Waves
(The American Society of Mechanical Engineers (ASME), 2015)A semianalytical method is developed to investigate the dynamic interaction of two fluidfilled circular pipelines in a porous elastic fluidsaturated medium subjected to harmonic plane waves. The harmonic equations based ... -
Coupling Analysis of Liquid Sloshing and Structural Vibration Using General Software
(The American Society of Mechanical Engineers (ASME), 2015)In this paper, a convenient modal analysis method for the linear coupled vibration of a container that is partially filled with a fluid is introduced. This problem is important for various reasons, such as stability analysis. ... -
Experimental Investigation of Friction Stir Seal Welding of Tube–Tubesheet Joints
(The American Society of Mechanical Engineers (ASME), 2015)To ensure heat exchanger tube–tubesheet joints tightness, industrial standards may recommend performing a combination of roller expansion and seal welding, using conventional fusion welding processes. Solid state friction ... -
Large Eddy Simulation Analysis of Fluid Temperature Fluctuations at a T junction for Prediction of Thermal Loading
(The American Society of Mechanical Engineers (ASME), 2015)Tjunctions are widely used for fluid mixing in power and process plants. Temperature fluctuations generated by the mixing of hot and cold fluids at a Tjunction can cause high cycle thermal fatigue (HCTF) failure. The ... -
Numerical Simulation of Three Dimensional Flow Past a Cylinder Oscillating at the Strouhal Frequency
(The American Society of Mechanical Engineers (ASME), 2015)The paper presents computational results of 3D flow past a cylinder forced to oscillate: (a) transversely with respect to a uniform stream and (b) both transversely and inline with respect to a uniform stream, following a ... -
A Parametric Computational Fluid Dynamics Analysis of the Valve Pocket Losses in Reciprocating Compressors
(The American Society of Mechanical Engineers (ASME), 2015)The reduction of pressure losses is one of the most important challenges for the efficiency increase of a reciprocating compressor. Since the absorbed power is strongly affected by the losses through pocket valves and ... -
Theoretical Analysis of a Reactive Reinforcement Method for Cylindrical Explosion Containment Vessels
(The American Society of Mechanical Engineers (ASME), 2015)A method for cylindrical explosioncontainment vessels was presented, which used symmetrical implosion loading cooperating with the vessels to control the outexplosion loading, increasing the antiexplosion ability of ... -
Optimum Heating of Pressure Vessels With Holes
(The American Society of Mechanical Engineers (ASME), 2015)A method for determining timeoptimum medium temperature changes is presented. The heating of the pressure elements will be conducted so that the circumferential stress caused by pressure and fluid temperature variations ... -
Investigation on Constraint Effect of a Reactor Pressure Vessel Subjected to Pressurized Thermal Shocks
(The American Society of Mechanical Engineers (ASME), 2015)The integrity of a reactor pressure vessel (RPV) related to pressurized thermal shocks (PTSs) has been extensively studied. This paper introduces the method of using fracture mechanics for the integrity analysis of a RPV ... -
Analytical Study on the Buckling of Cylindrical Shells With Arbitrary Thickness Imperfections Under Axial Compression
(The American Society of Mechanical Engineers (ASME), 2015)This paper presents an analytical study on the buckling of axially compressed cylindrical shells with arbitrary thickness imperfections (nonaxisymmetric and axisymmetric). First, the basic governing partial differential ... -
Buckling of Cylinders With Imperfect Length
(The American Society of Mechanical Engineers (ASME), 2015)Eighteen mild steel cylinders with the lengthtoradius ratio, L/R ≈ 2.4 and with the radiustowall thickness ratio, R/t ≈ 185 were collapsed by axial compression. Cylinders had variable length at one end of ... -
Failure Analysis of Piping Systems With Thinned Elbows on Tri Axial Shake Table Tests
(The American Society of Mechanical Engineers (ASME), 2015)This paper presents a computational failure analysis of piping systems with and without thinned elbows on triaxial shake table tests. In a previous experimental study, two piping models, a sound piping system and a degraded ... -
Protection Against Local Failure for Impulsively Loaded Vessels
(The American Society of Mechanical Engineers (ASME), 2015)Significant changes have been incorporated in design limits for pressurized vessels in Section VIII, Division 3 of the ASME Code, starting in 2007. There is now a local damagemechanics based strainexhaustion limit as well ... -
Investigation of Adhesion Formation in New Stainless Steel Trim Spring Operated Pressure Relief Valves
(The American Society of Mechanical Engineers (ASME), 2014)Examination of proof test data for new (not previously installed) stainless steel (SS) trim spring operated pressure relief valves (SOPRV) reveals that adhesions form between the seat and disk in about 46% of all such ... -
Damage Assessment of Seismically Excited Buildings Through Incomplete Measurements
(The American Society of Mechanical Engineers (ASME), 2014)Measuring responses at all degrees of freedom (DOF) of a real structure is impossible and impractical when few sensors are available. This study presents a damageassessment technique for seismically excited buildings using ... -
Application of Mono Leaf Spring as a Pipe Support
(The American Society of Mechanical Engineers (ASME), 2014)Leaf springs are one of the oldest forms of springing that is commonly used for the suspension in wheeled vehicles. It is simply adjusted by selecting proper type or number of flat bars. In this study, we are going to show ...