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Proceedings Papers

Fracture Analysis of Reactor Pressure Vessel Lower Head Considering Core Meltdown Accident

Yaroslav Dubyk, Vitalii Antonchenko, Maksym Zarazovskii
Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A063, July 13–15, 2021
Paper No: PVP2021-62062
DOI: https://doi.org/10.1115/PVP2021-62062
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Topics: Accidents, Fracture (Materials), Reactor vessels, Vessels, Boundary-value problems, Cavities, Cooling, Creep, Floods, Fracture mechanics
Proceedings Papers

Sealing Evaluation of Tubesheet-Flanged Joint Under Internal Pressure and Non-Axisymmetry Thermal Loading

Hui Tang, Qianyu Shi, Qi Li, Zhijian Wang, Ming Ma
Proc. ASME. PVP2021, Volume 2: Computer Technology and Bolted Joints; Design and Analysis, V002T03A005, July 13–15, 2021
Paper No: PVP2021-60398
DOI: https://doi.org/10.1115/PVP2021-60398
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Topics: Flanges, Gaskets, Pressure, Sealing (Process), Compressive stress, Stress, Heat exchangers, Water, Compression, Design
Proceedings Papers

The Influence of Multiaxial Stress Relaxation on Component Creep Damage Accumulation in Biaxial, Mixed Primary, and Secondary Loading on a Pipe

Nayden Matev, Robert A. Ainsworth, Meini Su, Mark Stevens, Alan Jappy
Proc. ASME. PVP2020, Volume 1: Codes and Standards, V001T01A046, August 3, 2020
Paper No: PVP2020-21211
DOI: https://doi.org/10.1115/PVP2020-21211
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Topics: Creep, Damage, Pipes, Relaxation (Physics), Stress, Aeroelasticity, Cycles, Ductility, High temperature, Inelastic analysis
Proceedings Papers

Investigation and Resolution of the Fluid Structure Interaction of High Rate HVGO Pumps

Alwyn Kaye
Proc. ASME. PVP2020, Volume 4: Fluid-Structure Interaction, V004T04A006, August 3, 2020
Paper No: PVP2020-21203
DOI: https://doi.org/10.1115/PVP2020-21203
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Topics: Fluid structure interaction, Pumps, Resolution (Optics), Pipes, Dynamics (Mechanics), Finite element analysis, Testing, Vacuum, Vibration, Cooling
Proceedings Papers

A Non-Bolted Restraint for Coke Drums

Mahmod Samman, Alwyn Kaye
Proc. ASME. PVP2018, Volume 3B: Design and Analysis, V03BT03A046, July 15–20, 2018
Paper No: PVP2018-84734
DOI: https://doi.org/10.1115/PVP2018-84734
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Topics: Coke, Failure, Anchor bolts, Restraint systems, Design, Maintenance, Stress, Temperature gradient, Thermal expansion
Proceedings Papers

Analysis of the Influence of the Cooling Patterns and the Shape of the Bulges on the Levels of Stress in the Cylindrical Section of Delayed Coke Drums

Gabriel A. Vivas, Armando J. Moret, Roberto E. Bello, Luis M. Melian, Julian J. Bedoya
Proc. ASME. PVP2018, Volume 3B: Design and Analysis, V03BT03A049, July 15–20, 2018
Paper No: PVP2018-85009
DOI: https://doi.org/10.1115/PVP2018-85009
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Topics: Coke, Cooling, Shapes, Stress, Temperature gradient, Cylinders, Deformation, Temperature, Containment, Damage
Proceedings Papers

Stress Intensity Factor Coefficients for Circumferential OD Surface Flaws in Cylinders for Appendix A of ASME Section XI

Darrell R. Lee, Russell C. Cipolla, Michael C. Liu
Proc. ASME. PVP2018, Volume 1A: Codes and Standards, V01AT01A005, July 15–20, 2018
Paper No: PVP2018-84381
DOI: https://doi.org/10.1115/PVP2018-84381
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Topics: Cylinders, Stress, American Petroleum Institute, ASME Boiler and Pressure Vessel Code, Fittings, Fracture (Materials), Fracture mechanics, Interpolation, Polynomials, Surface cracks
Proceedings Papers

Optimization of Reactor’s Start-Up and Shutdown Procedures by Transient Thermo-Mechanical Finite Element Analysis

Sang-Mo Lee, Ohgeon Kwon, Vitor Lopes Garcia
Proc. ASME. PVP2018, Volume 7: Operations, Applications, and Components, V007T07A010, July 15–20, 2018
Paper No: PVP2018-84123
DOI: https://doi.org/10.1115/PVP2018-84123
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Topics: Finite element analysis, Optimization, Thermomechanics, Transients (Dynamics), Cycles, Damage, Computational fluid dynamics, Heating and cooling, Temperature gradient, Catalysts
Proceedings Papers

Prediction of Residual Stresses in a Multipass Pipe Weld by a Novel 3D Finite Element Approach

Hui Huang, Jian Chen, Blair Carlson, Hui-Ping Wang, Paul Crooker, Gregory Frederick, Zhili Feng
Proc. ASME. PVP2018, Volume 6B: Materials and Fabrication, V06BT06A084, July 15–20, 2018
Paper No: PVP2018-85044
DOI: https://doi.org/10.1115/PVP2018-85044
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Topics: Finite element analysis, Pipes, Residual stresses, Graphics processing units, Simulation, Welding, Computation, Computer software, Computers, Heat
Proceedings Papers

Investigation Into Thermal Stress Characteristics of Pipe-in-Pipe Under High Temperature Condition

Si-Hwa Jeong, Min-Gu Won, Nam-Su Huh, Yun-Jae Kim, Young-Jin Oh, Jae-Boong Choi
Proc. ASME. PVP2018, Volume 3A: Design and Analysis, V03AT03A030, July 15–20, 2018
Paper No: PVP2018-84578
DOI: https://doi.org/10.1115/PVP2018-84578
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Topics: High temperature, Pipes, Thermal stresses, Geometry, Heat transfer, Sodium fast reactors, Temperature distribution, Boundary-value problems, Convection, Finite element analysis
Proceedings Papers

A Study on the Influence of Sea Water Convective Heat Transfer Coefficient in Design Verification of Subsea HPHT Equipment

Ali Sepehri, Stuart Harbert, Dave Holberry
Proc. ASME. PVP2017, Volume 5: High-Pressure Technology; ASME Nondestructive Evaluation, Diagnosis and Prognosis Division (NDPD); SPC Track for Senate, V005T05A004, July 16–20, 2017
Paper No: PVP2017-65594
DOI: https://doi.org/10.1115/PVP2017-65594
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Topics: Convection, Design, Ocean engineering, Seawater, Fatigue, Finite element analysis, American Petroleum Institute, Boilers, Collapse, Deformation
Proceedings Papers

The Significance of Coke Resistance in Coke Drum Failures

Mahmod Samman, Brian Doerksen
Proc. ASME. PVP2017, Volume 3A: Design and Analysis, V03AT03A001, July 16–20, 2017
Paper No: PVP2017-65060
DOI: https://doi.org/10.1115/PVP2017-65060
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Topics: Coke, Failure, Shells, Cooling, Damage, Stress, Temperature gradient, Cracking (Materials), Cycles, Fracture (Process)
Proceedings Papers

Assessment, Mitigation, Management and Extension of Coke Drum Life Through Equipment Health Monitoring Systems and On Line Inspection

Antonio J. Seijas, Julian J. Bedoya, Alex P. Stoller, Oscar A. Perez, Luis M. Marcano
Proc. ASME. PVP2017, Volume 3A: Design and Analysis, V03AT03A015, July 16–20, 2017
Paper No: PVP2017-65903
DOI: https://doi.org/10.1115/PVP2017-65903
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Topics: Coke, Inspection, Monitoring systems, Damage, Maintenance, Failure, Fracture (Materials), Nondestructive evaluation, High temperature, Lasers
Proceedings Papers

Fatigue Assessment of a Bulged Coke Drum

Gabriel A. Vivas, Armando J. Moret, Roberto E. Bello, Luis M. Melian, Jose R. Carmona, Egler D. Araque
Proc. ASME. PVP2017, Volume 3A: Design and Analysis, V03AT03A009, July 16–20, 2017
Paper No: PVP2017-65414
DOI: https://doi.org/10.1115/PVP2017-65414
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Topics: Coke, Fatigue, Cycles, Vessels, Cracking (Materials), Damage, Finite element analysis, Fracture (Process), Lasers, Shells
Proceedings Papers

Fatigue Life and Reliability Consideration During Field Repair of Coke Drum and Piping

Tej Chadda, Umakanthan Anand
Proc. ASME. PVP2017, Volume 3A: Design and Analysis, V03AT03A007, July 16–20, 2017
Paper No: PVP2017-65264
DOI: https://doi.org/10.1115/PVP2017-65264
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Topics: Coke, Fatigue life, Maintenance, Pipes, Reliability, Fatigue, Fracture (Materials), Design, Fatigue cracks, Finite element analysis
Proceedings Papers

A Design Based Approach to Material Selection for Advanced High Temperature Reactor Components

T.-L. Sham, Robert I. Jetter
Proc. ASME. PVP2017, Volume 1B: Codes and Standards, V01BT01A010, July 16–20, 2017
Paper No: PVP2017-65102
DOI: https://doi.org/10.1115/PVP2017-65102
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Topics: Design, High temperature, Materials properties, Creep, Temperature gradient, Thermal conductivity, Thermal expansion, Vessels, Wall thickness, Weight (Mass)
Proceedings Papers

Stress Analysis of Ellipsoidal Head With Heating Spiral

Jun Shen, Heng Peng, Yanfang Tang, Xuemei Liu, Yinghua Liu
Proc. ASME. PVP2017, Volume 1B: Codes and Standards, V01BT01A029, July 16–20, 2017
Paper No: PVP2017-65494
DOI: https://doi.org/10.1115/PVP2017-65494
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Topics: Heating, Stress analysis (Engineering), Nozzles, Stress, Design, Engineering design, Heat, Stress concentration, Temperature, Temperature gradient
Proceedings Papers

Anchor Bolt Failures in Coke Drums

Mahmod Samman
Proc. ASME. PVP2016, Volume 3: Design and Analysis, V003T03A066, July 17–21, 2016
Paper No: PVP2016-63813
DOI: https://doi.org/10.1115/PVP2016-63813
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Topics: Anchor bolts, Coke, Failure, Friction, Temperature gradient, Displacement, Finite element model, Plates (structures), Shear (Mechanics), Temperature
Proceedings Papers

Effects of Hot Water and Holds on Fatigue of Stainless Steel

Jussi Solin, Jouni Alhainen, Ertugrul Karabaki, Wolfgang Mayinger
Proc. ASME. PVP2016, Volume 1A: Codes and Standards, V01AT01A021, July 17–21, 2016
Paper No: PVP2016-63291
DOI: https://doi.org/10.1115/PVP2016-63291
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Topics: Fatigue, Hot water, Stainless steel, Temperature, Water, Nuclear power stations, Pressurized water reactors, Steel, Atoms, Circuits
Proceedings Papers

Ratcheting With No Thermal Bending and Membrane Stress

R. Adibi-Asl, W. Reinhardt
Proc. ASME. PVP2016, Volume 1A: Codes and Standards, V01AT01A034, July 17–21, 2016
Paper No: PVP2016-63773
DOI: https://doi.org/10.1115/PVP2016-63773
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Topics: Membranes, Stress, Bending (Stress), Failure mechanisms, Thermal stresses, Collapse, Cooling, Cylinders, Design, Finite element analysis