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Proceedings Papers

Polyethylene Terephthalate Gasification Using CO 2 : Impact of SFCC Catalyst Contact Mode and Amount

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Fatih Aktaş, Kiran G. Burra, Ashwani K. Gupta
Proc. ASME. POWER2024, ASME 2024 Power Conference, V001T03A007, September 15–18, 2024
Publisher: American Society of Mechanical Engineers
Paper No: POWER2024-138167
https://doi.org/10.1115/POWER2024-138167
View Paper titled, Polyethylene Terephthalate Gasification Using CO 2 : Impact of SFCC Catalyst Contact Mode and Amount
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Topics: Carbon dioxide, Catalysts, Cracking (Materials), Fluids, Fracture (Process), Fuel gasification, Unsaturated polyesters
Proceedings Papers

Ammonia Cracking As Auxiliary System for Gas Turbine: Preliminary Studies

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Christian Romano, Daria Bellotti, Egidio Pucci, Ever Fadlun, Michele Roma, Sergio Ghezzi, Geremia Manferino, Chiara Anfosso, Chiara Monacchini
Proc. ASME. POWER2024, ASME 2024 Power Conference, V001T03A003, September 15–18, 2024
Publisher: American Society of Mechanical Engineers
Paper No: POWER2024-137878
https://doi.org/10.1115/POWER2024-137878
View Paper titled, Ammonia Cracking As Auxiliary System for Gas Turbine: Preliminary Studies
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Topics: Cracking (Materials), Fracture (Process), Fuels, Gas turbines
Proceedings Papers

Temperature and Positioning Effects of Spent Fluid Catalytic Cracking Catalyst in the Reactor on Pyrolysis of Polyethylene Terephthalate

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Fatih Aktaş, Kiran G. Burra, Athi-enkosi Mavukwana, Ashwani K. Gupta
Proc. ASME. POWER2024, ASME 2024 Power Conference, V001T03A006, September 15–18, 2024
Publisher: American Society of Mechanical Engineers
Paper No: POWER2024-138163
https://doi.org/10.1115/POWER2024-138163
View Paper titled, Temperature and Positioning Effects of Spent Fluid Catalytic Cracking Catalyst in the Reactor on Pyrolysis of Polyethylene Terephthalate
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Topics: Catalysts, Cracking (Materials), Fluids, Fracture (Process), Pyrolysis, Temperature, Unsaturated polyesters
Proceedings Papers

Failure Analysis of OTSG Tube in a Cogeneration Power Plant

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Wahida Tina, Elizabeth Donaldson, Thomas E. Dickinson
Proc. ASME. POWER2023, ASME Power Applied R&D 2023, V001T01A010, August 6–8, 2023
Publisher: American Society of Mechanical Engineers
Paper No: POWER2023-110584
https://doi.org/10.1115/POWER2023-110584
View Paper titled, Failure Analysis of OTSG Tube in a Cogeneration Power Plant
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Topics: Cogeneration plants, Failure analysis, Stress, Stress corrosion cracking, Boilers, Failure, Cracking (Materials), Fracture (Materials), Fracture (Process), Leakage
Proceedings Papers

Influence of Feedwater TOC on Steam Cation Conductivity

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Xu Hong
Proc. ASME. POWER2017-ICOPE-17, Volume 2: I&C, Digital Controls, and Influence of Human Factors; Plant Construction Issues and Supply Chain Management; Plant Operations, Maintenance, Aging Management, Reliability and Performance; Renewable Energy Systems: Solar, Wind, Hydro and Geothermal; Risk Management, Safety and Cyber Security; Steam Turbine-Generators, Electric Generators, Transformers, Switchgear, and Electric BOP and Auxiliaries; Student Competition; Thermal Hydraulics and Computational Fluid Dynamics, V002T08A001, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: POWER-ICOPE2017-3023
https://doi.org/10.1115/POWER-ICOPE2017-3023
View Paper titled, Influence of Feedwater TOC on Steam Cation Conductivity
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Topics: Electrical conductivity, Feedwater, Steam, Thermal conductivity, Water, Boilers, Ceilings, Heating, Ion exchange, Resins
Proceedings Papers

Damage Mechanisms Found in Generator Rotor 18Mn18Cr Retaining Rings

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William Moore
Proc. ASME. POWER2016, ASME 2016 Power Conference, V001T09A002, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: POWER2016-59101
https://doi.org/10.1115/POWER2016-59101
View Paper titled, Damage Mechanisms Found in Generator Rotor 18Mn18Cr Retaining Rings
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Topics: Damage, Generators, Rotors, Inspection, Acceptance criteria, Corrosion, Cracking (Materials), Failure, Fluorescence, Fracture (Materials)
Proceedings Papers

Maintaining High Energy Piping Integrity With Unit Specific Strategic Planning

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Pamela Hamblin-Smoske
Proc. ASME. POWER2014, Volume 1: Fuels and Combustion, Material Handling, Emissions; Steam Generators; Heat Exchangers and Cooling Systems; Turbines, Generators and Auxiliaries; Plant Operations and Maintenance; Reliability, Availability and Maintainability (RAM); Plant Systems, Structures, Components and Materials Issues, V001T05A007, July 28–31, 2014
Publisher: American Society of Mechanical Engineers
Paper No: POWER2014-32208
https://doi.org/10.1115/POWER2014-32208
View Paper titled, Maintaining High Energy Piping Integrity With Unit Specific Strategic Planning
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Topics: Pipes, Strategic planning, Piping systems, Failure, Power stations, Inspection, Maintenance, Power plant operators, Crack propagation, Cracking (Materials)
Proceedings Papers

High Pressure Feedwater Heater Cup Forging Alteration

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Thomas R. Muldoon, Bob Cashner, Sara Vestfals
Proc. ASME. POWER2014, Volume 1: Fuels and Combustion, Material Handling, Emissions; Steam Generators; Heat Exchangers and Cooling Systems; Turbines, Generators and Auxiliaries; Plant Operations and Maintenance; Reliability, Availability and Maintainability (RAM); Plant Systems, Structures, Components and Materials Issues, V001T03A007, July 28–31, 2014
Publisher: American Society of Mechanical Engineers
Paper No: POWER2014-32217
https://doi.org/10.1115/POWER2014-32217
View Paper titled, High Pressure Feedwater Heater Cup Forging Alteration
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Topics: Feedwater, Forging, High pressure (Physics), Maintenance, Fracture (Materials), Finite element analysis, Stress, Electricity (Physics), Fitness-for-service, Grinding
Proceedings Papers

Issues Related to Creep-Strength-Enhanced Ferritic (CSEF) Steels

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Rama S. Koripelli, David N. French
Proc. ASME. POWER2014, Volume 1: Fuels and Combustion, Material Handling, Emissions; Steam Generators; Heat Exchangers and Cooling Systems; Turbines, Generators and Auxiliaries; Plant Operations and Maintenance; Reliability, Availability and Maintainability (RAM); Plant Systems, Structures, Components and Materials Issues, V001T07A002, July 28–31, 2014
Publisher: American Society of Mechanical Engineers
Paper No: POWER2014-32027
https://doi.org/10.1115/POWER2014-32027
View Paper titled, Issues Related to Creep-Strength-Enhanced Ferritic (CSEF) Steels
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Topics: Creep, Steel, Temperature, Alloys, Failure, Heat treating (Metalworking), Stress, Superheaters, Welding, Cooling
Proceedings Papers

Some Aspects of Steam Turbine Valves: Materials, Operations and Maintenance

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Kuda R. Mutama
Proc. ASME. POWER2013, Volume 1: Fuels and Combustion, Material Handling, Emissions; Steam Generators; Heat Exchangers and Cooling Systems; Turbines, Generators and Auxiliaries; Plant Operations and Maintenance, V001T04A009, July 29–August 1, 2013
Publisher: American Society of Mechanical Engineers
Paper No: POWER2013-98289
https://doi.org/10.1115/POWER2013-98289
View Paper titled, Some Aspects of Steam Turbine Valves: Materials, Operations and Maintenance
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Topics: Maintenance, Steam turbines, Valves, Alloys, Wear, ASTM International, Disks, Failure, Temperature, Cycles
Proceedings Papers

Vibration Induced Failure Investigation and Evaluation for Main Steam Moisture Separator Drain Tanks

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Timothy M. Adams, Shawn Nickholds, Bruce F. Dubovecky, Art Watkins, R. Steven Mackowski
Proc. ASME. POWER2013, Volume 2: Reliability, Availability and Maintainability (RAM); Plant Systems, Structures, Components and Materials Issues; Simple and Combined Cycles; Advanced Energy Systems and Renewables (Wind, Solar and Geothermal); Energy Water Nexus; Thermal Hydraulics and CFD; Nuclear Plant Design, Licensing and Construction; Performance Testing and Performance Test Codes, V002T07A001, July 29–August 1, 2013
Publisher: American Society of Mechanical Engineers
Paper No: POWER2013-98076
https://doi.org/10.1115/POWER2013-98076
View Paper titled, Vibration Induced Failure Investigation and Evaluation for Main Steam Moisture Separator Drain Tanks
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Topics: Failure, Steam, Vibration, Pipes, Nozzles, Stress, Transients (Dynamics), Accelerometers, Cracking (Materials), Cycles
Proceedings Papers

Finite Element Models of Progressive Failure of Grain Boundaries

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Mihaela Irina Uplaznik, Leon Cizelj, Igor Simonovski
Proc. ASME. ICONE20-POWER2012, Volume 1: Plant Operations, Maintenance, Engineering, Modifications, Life Cycle, and Balance of Plant; Component Reliability and Materials Issues; Steam Generator Technology Applications and Innovations; Advanced Reactors and Near-Term Deployment; Reactor Physics, Neutronics, and Transport Theory; Nuclear Education, Human Resources, and Public Acceptance, 545-550, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-55191
https://doi.org/10.1115/ICONE20-POWER2012-55191
View Paper titled, Finite Element Models of Progressive Failure of Grain Boundaries
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Topics: Failure, Finite element model, Grain boundaries, Computational methods, Damage, Modeling, Stress corrosion cracking, Alloys, Anisotropy, Cracking (Materials)
Proceedings Papers

Impact of Weld Sequencing and Fabrication on Residual Stress Fields

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F. W. Brust, T. Zhang, G. Wilkowski, H. Xu, K. Wichman
Proc. ASME. ICONE20-POWER2012, Volume 1: Plant Operations, Maintenance, Engineering, Modifications, Life Cycle, and Balance of Plant; Component Reliability and Materials Issues; Steam Generator Technology Applications and Innovations; Advanced Reactors and Near-Term Deployment; Reactor Physics, Neutronics, and Transport Theory; Nuclear Education, Human Resources, and Public Acceptance, 399-408, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-54585
https://doi.org/10.1115/ICONE20-POWER2012-54585
View Paper titled, Impact of Weld Sequencing and Fabrication on Residual Stress Fields
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Topics: Manufacturing, Stress, Welding, Nuclear industry, Residual stresses, Stress corrosion cracking, ASME Standards, Cladding systems (Building), Cracking (Materials), Design
Proceedings Papers

Hydrogen Ingress Into Zirconium Alloys as a Life-Limiting Factor — Methods of In-Line Monitoring, Prediction and Control

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M. B. Elmoselhi, K. Tashiro, A. C. Wallace
Proc. ASME. ICONE20-POWER2012, Volume 1: Plant Operations, Maintenance, Engineering, Modifications, Life Cycle, and Balance of Plant; Component Reliability and Materials Issues; Steam Generator Technology Applications and Innovations; Advanced Reactors and Near-Term Deployment; Reactor Physics, Neutronics, and Transport Theory; Nuclear Education, Human Resources, and Public Acceptance, 301-307, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-54143
https://doi.org/10.1115/ICONE20-POWER2012-54143
View Paper titled, Hydrogen Ingress Into Zirconium Alloys as a Life-Limiting Factor — Methods of In-Line Monitoring, Prediction and Control
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Topics: Hydrogen, Zirconium alloys, Alloys, Corrosion, Boiling water reactors, Cladding systems (Building), Coolants, Cracking (Materials), Diffusion (Physics), Fracture (Process)
Proceedings Papers

The Effects of Cycling on Generator Rotors

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Bill Moore
Proc. ASME. ICONE20-POWER2012, Volume 3: Thermal-Hydraulics; Turbines, Generators, and Auxiliaries, 857-862, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-55093
https://doi.org/10.1115/ICONE20-POWER2012-55093
View Paper titled, The Effects of Cycling on Generator Rotors
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Topics: Generators, Rotors, Cracking (Materials), Fracture (Process), Stress, Failure, Copper, Cycles, Delays, Electricity (Physics)
Proceedings Papers

Proven Methods to Repair and Extend the Life of Low Pressure Turbine Rotors

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Stephen R. Reid, James B. Lewis
Proc. ASME. ICONE20-POWER2012, Volume 3: Thermal-Hydraulics; Turbines, Generators, and Auxiliaries, 869-876, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-55140
https://doi.org/10.1115/ICONE20-POWER2012-55140
View Paper titled, Proven Methods to Repair and Extend the Life of Low Pressure Turbine Rotors
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Topics: Maintenance, Pressure, Rotors, Turbines, Blades, Generators, Reliability, Cracking (Materials), Fracture (Process), Inspection
Proceedings Papers

AFCEN – ETC-C — A New Code for Design and Construction of NPP Civil Structures: Recent Developments and Perspectives

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Philippe Bécue, Etienne Gallitre
Proc. ASME. ICONE20-POWER2012, Volume 4: Codes, Standards, Licensing, and Regulatory Issues; Fuel Cycle, Radioactive Waste Management and Decommissioning; Computational Fluid Dynamics (CFD) and Coupled Codes; Instrumentation and Controls; Fuels and Combustion, Materials Handling, Emissions; Advanced Energy Systems and Renewables (Wind, Solar, Geothermal); Performance Testing and Performance Test Codes, 173-180, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-54876
https://doi.org/10.1115/ICONE20-POWER2012-54876
View Paper titled, AFCEN – ETC-C — A New Code for Design and Construction of NPP Civil Structures: Recent Developments and Perspectives
Open the PDF for AFCEN – ETC-C — A New Code for Design and Construction of NPP Civil Structures: Recent Developments and Perspectives in another window
Topics: Construction, Design, Nuclear power stations, Concretes, Containment, Acceptance criteria, Calibration, Cracking (Materials), Creep, Durability
Proceedings Papers

Stress Test Evaluation of Refueling and Storage Pools for Loviisa NPP

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Pentti Varpasuo, Jukka Kähkönen
Proc. ASME. ICONE20-POWER2012, Volume 2: Plant Systems, Structures, and Components; Safety and Security; Next Generation Systems; Heat Exchangers and Cooling Systems, 109-111, July 30–August 3, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ICONE20-POWER2012-54517
https://doi.org/10.1115/ICONE20-POWER2012-54517
View Paper titled, Stress Test Evaluation of Refueling and Storage Pools for Loviisa NPP
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Topics: Nuclear power stations, Storage, Stress, Earthquakes, Spent nuclear fuels, Heat, Concrete walls, Concretes, Cooling, Cracking (Materials)
Proceedings Papers

Case Study of the Effect of Generator Retaining Ring Shrink Fit on Rotor Tooth Top Cracking

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Daniel T. Peters, Kevin M. Haley
Proc. ASME. POWER2011, ASME 2011 Power Conference, Volume 1, 585-594, July 12–14, 2011
Publisher: American Society of Mechanical Engineers
Paper No: POWER2011-55302
https://doi.org/10.1115/POWER2011-55302
View Paper titled, Case Study of the Effect of Generator Retaining Ring Shrink Fit on Rotor Tooth Top Cracking
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Topics: Cracking (Materials), Fracture (Process), Generators, Rotors, Compressive stress, Fatigue, Fatigue analysis, Fatigue life, Finite element analysis, Manufacturing
Proceedings Papers

Generator Retaining Rings: In Situ Inspection and Life Assessment

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Jan Willem Noteboom
Proc. ASME. POWER2009, ASME 2009 Power Conference, 315-324, July 21–23, 2009
Publisher: American Society of Mechanical Engineers
Paper No: POWER2009-81072
https://doi.org/10.1115/POWER2009-81072
View Paper titled, Generator Retaining Rings: In Situ Inspection and Life Assessment
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Topics: Generators, Inspection, Cracking (Materials), Downtime, Dyeing, Eddy current testing, Fracture (Process), Fracture mechanics, Manipulators, Nondestructive evaluation