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Proceedings Papers

Modeling of a Novel Elastohydrodynamic Seal for sCO 2 Power Cycles With Experimental Verification

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Cole Hayne, Ali Akbor Topu, Mohammad Fuad Hassan, George Sercer, Hanping Xu, Sevki Cesmeci
Proc. ASME. POWER2024, ASME 2024 Power Conference, V001T06A006, September 15–18, 2024
Publisher: American Society of Mechanical Engineers
Paper No: POWER2024-138553
https://doi.org/10.1115/POWER2024-138553
View Paper titled, Modeling of a Novel Elastohydrodynamic Seal for sCO 2 Power Cycles With Experimental Verification
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Topics: Computational fluid dynamics, Finite element analysis, Fluids, Modeling, Supercritical carbon dioxide, Thermodynamic power cycles, Leakage, Pressure, Design, Energy generation
Proceedings Papers

Experimental Analysis of an Elastohydrodynamic Seal for Supercritical Carbon Dioxide Turbomachinery

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Jonah Henry, Hanping Xu, Mohammad Fuad Hassan, Sevki Cesmeci, Mohammad Towhidul Islam, Shuangbiao Liu, Jing Tang
Proc. ASME. POWER2023, ASME Power Applied R&D 2023, V001T04A004, August 6–8, 2023
Publisher: American Society of Mechanical Engineers
Paper No: POWER2023-108781
https://doi.org/10.1115/POWER2023-108781
View Paper titled, Experimental Analysis of an Elastohydrodynamic Seal for Supercritical Carbon Dioxide Turbomachinery
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Topics: Experimental analysis, Supercritical carbon dioxide, Turbomachinery, Leakage, Pressure, Temperature, High pressure (Physics), Clearances (Engineering), Cycles, Energy generation
Proceedings Papers

A Proof-of-Concept Study of a Novel Elasto-Hydrodynamic Seal for CO 2

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Karthik Reddy Lyathakula, Sevki Cesmeci, Mohammad Fuad Hassan, Hanping Xu, Jing Tang
Proc. ASME. POWER2022, ASME 2022 Power Conference, V001T12A003, July 18–19, 2022
Publisher: American Society of Mechanical Engineers
Paper No: POWER2022-86607
https://doi.org/10.1115/POWER2022-86607
View Paper titled, A Proof-of-Concept Study of a Novel Elasto-Hydrodynamic Seal for CO 2
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Topics: Carbon dioxide, Leakage, Flow (Dynamics), Solid mechanics, Turbomachinery, Wear, Clearances (Engineering), Deformation, Energy generation, High pressure (Physics)
Proceedings Papers

Flow Accelerated Corrosion Failures in Nominally Low-Risk HRSG Tube Locations

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A. Fabricius, J. Malloy, M. Taylor, Kasper D. Vestdam, Jan Rusaas
Proc. ASME. POWER2022, ASME 2022 Power Conference, V001T03A002, July 18–19, 2022
Publisher: American Society of Mechanical Engineers
Paper No: POWER2022-82532
https://doi.org/10.1115/POWER2022-82532
View Paper titled, Flow Accelerated Corrosion Failures in Nominally Low-Risk HRSG Tube Locations
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Topics: Corrosion, Failure, Flow (Dynamics), Heat recovery steam generators, Risk, Alloys, Carbon steel, Computational fluid dynamics, Geometry, Pipe bends
Proceedings Papers

Time and Spatial Modeling of Wear Mechanisms in Nuclear Steam Turbine Blades Using Dynamic Bayesian Networks

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David A. Quintanar-Gago, Pamela F. Nelson, Ángeles Díaz-Sánchez
Proc. ASME. POWER2018, Volume 2: Heat Exchanger Technologies; Plant Performance; Thermal Hydraulics and Computational Fluid Dynamics; Water Management for Power Systems; Student Competition, V002T12A003, June 24–28, 2018
Publisher: American Society of Mechanical Engineers
Paper No: POWER2018-7193
https://doi.org/10.1115/POWER2018-7193
View Paper titled, Time and Spatial Modeling of Wear Mechanisms in Nuclear Steam Turbine Blades Using Dynamic Bayesian Networks
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Topics: Blades, Modeling, Steam turbines, Wear, Failure, Failure mechanisms, Maintenance, Probability, Databases, Engineering prototypes
Proceedings Papers

Testing Spark Ignition Engines Converted to Operate on JP-8

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Michael Seibert, Terry DuBois, Richard Scenna, Tony Thampan
Proc. ASME. POWER2018, Volume 1: Fuels, Combustion, and Material Handling; Combustion Turbines Combined Cycles; Boilers and Heat Recovery Steam Generators; Virtual Plant and Cyber-Physical Systems; Plant Development and Construction; Renewable Energy Systems, V001T01A001, June 24–28, 2018
Publisher: American Society of Mechanical Engineers
Paper No: POWER2018-7171
https://doi.org/10.1115/POWER2018-7171
View Paper titled, Testing Spark Ignition Engines Converted to Operate on JP-8
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Topics: Spark-ignition engine, Testing, Fuels, Engines, Generators, Stress, Gasoline, Combustion, Cylinders, Ignition
Proceedings Papers

Erosion Wear and Performance Simulation of Centrifugal Pump for Solid-Liquid Flow

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Fen Lai, Xiangyuan Zhu, Xun Xu, Guojun Li
Proc. ASME. POWER2018, Volume 2: Heat Exchanger Technologies; Plant Performance; Thermal Hydraulics and Computational Fluid Dynamics; Water Management for Power Systems; Student Competition, V002T10A001, June 24–28, 2018
Publisher: American Society of Mechanical Engineers
Paper No: POWER2018-7151
https://doi.org/10.1115/POWER2018-7151
View Paper titled, Erosion Wear and Performance Simulation of Centrifugal Pump for Solid-Liquid Flow
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Topics: Centrifugal pumps, Erosion, Flow (Dynamics), Simulation, Wear, Particulate matter, Pressure, Blades, Corrosion, Transients (Dynamics)
Proceedings Papers

Methods to Define Failure Probability for Power Plant Heat Exchangers

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Carolyn J. John, Consuelo E. Guzman-Leong, Thomas C. Esselman, Sam L. Harvey
Proc. ASME. POWER2017-ICOPE-17, Volume 1: Boilers and Heat Recovery Steam Generator; Combustion Turbines; Energy Water Sustainability; Fuels, Combustion and Material Handling; Heat Exchangers, Condensers, Cooling Systems, and Balance-of-Plant, V001T05A012, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: POWER-ICOPE2017-3367
https://doi.org/10.1115/POWER-ICOPE2017-3367
View Paper titled, Methods to Define Failure Probability for Power Plant Heat Exchangers
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Topics: Failure, Heat exchangers, Power stations, Probability, Water, Nuclear power stations, Corrosion, Cycles, Fluids, Shells
Proceedings Papers

Numerical Study on the Erosion Characteristics of U-Type Bend for Gas Solid Flow

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Yu Wang, Qi He, Ming Liu, Weixiong Chen, Junjie Yan
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, V002T08A012, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: POWER-ICOPE2017-3412
https://doi.org/10.1115/POWER-ICOPE2017-3412
View Paper titled, Numerical Study on the Erosion Characteristics of U-Type Bend for Gas Solid Flow
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Topics: Erosion, Flow (Dynamics), Pipes, Coal, Computational fluid dynamics, Particle size, Pipelines, Wear, Flue gases, Outer space
Proceedings Papers

Effects of Cooling System Operations on Withdrawal for Thermoelectric Power

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Zachary Clement, Fletcher Fields, Diana Bauer, Vincent Tidwell, Calvin Ray Shaneyfelt, Geoff Klise
Proc. ASME. POWER2017-ICOPE-17, Volume 1: Boilers and Heat Recovery Steam Generator; Combustion Turbines; Energy Water Sustainability; Fuels, Combustion and Material Handling; Heat Exchangers, Condensers, Cooling Systems, and Balance-of-Plant, V001T03A001, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: POWER-ICOPE2017-3763
https://doi.org/10.1115/POWER-ICOPE2017-3763
View Paper titled, Effects of Cooling System Operations on Withdrawal for Thermoelectric Power
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Topics: Cooling systems, Water, Cooling, Electric power generation, Climate, Databases, Fuels, Modeling, Pollution control, Power stations
Proceedings Papers

Fundamentals of a Babbitted Bearing Repair Assistant

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L. A. Branagan, S. H. Hesler
Proc. ASME. POWER2016, ASME 2016 Power Conference, V001T09A006, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: POWER2016-59389
https://doi.org/10.1115/POWER2016-59389
View Paper titled, Fundamentals of a Babbitted Bearing Repair Assistant
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Topics: Bearings, Maintenance, Babbitt metal, Damage, Machinery, Fluid films, Stress, Bearing design, Engineers, Excitation systems
Proceedings Papers

The Science Behind Eddy Current and Remote Field Testing: For Condenser and Heat Exchanger Tubing

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Christopher Van Name, Gary Fischer, James Kocher
Proc. ASME. POWER2016, ASME 2016 Power Conference, V001T04A005, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: POWER2016-59273
https://doi.org/10.1115/POWER2016-59273
View Paper titled, The Science Behind Eddy Current and Remote Field Testing: For Condenser and Heat Exchanger Tubing
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Topics: Condensers (steam plant), Eddies (Fluid dynamics), Eddy currents (Electricity), Heat exchangers, Testing, Tubing, Nondestructive evaluation, Damage, Wear, Construction
Proceedings Papers

Generator Collector Brush Holder Testing and Design Improvements

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Albert E. Steinbach, Frank A. Scalzo, III, Matthew T. Preston
Proc. ASME. POWER2016, ASME 2016 Power Conference, V001T09A004, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: POWER2016-59147
https://doi.org/10.1115/POWER2016-59147
View Paper titled, Generator Collector Brush Holder Testing and Design Improvements
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Topics: Design, Generators, Testing, Carbon, Maintenance, Wear, Engineering prototypes, Excitation, Excitation systems, Feedback
Proceedings Papers

Impact of Plant Cycling on Availability

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Nikhil Kumar, Maria Ouellette, Kurt Miller, Michael C. Liu
Proc. ASME. POWER2015, ASME 2015 Power Conference, V001T08A002, June 28–July 2, 2015
Publisher: American Society of Mechanical Engineers
Paper No: POWER2015-49359
https://doi.org/10.1115/POWER2015-49359
View Paper titled, Impact of Plant Cycling on Availability
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Topics: Creep, Design, Fatigue, Maintenance, Materials degradation, Power stations, Public utilities, Stress, Wear
Proceedings Papers

Improvements in the Performance of a Subcooling Zone in a Feedwater Heater With Dual End Plate Design With Water Seal in Between

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Ranga Nadig
Proc. ASME. POWER2015, ASME 2015 Power Conference, V001T04A004, June 28–July 2, 2015
Publisher: American Society of Mechanical Engineers
Paper No: POWER2015-49418
https://doi.org/10.1115/POWER2015-49418
View Paper titled, Improvements in the Performance of a Subcooling Zone in a Feedwater Heater With Dual End Plate Design With Water Seal in Between
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Topics: Design, Feedwater, Subcooling, Water, Steam, Patents, Plates (structures), Power stations, Condensed matter, Space
Proceedings Papers

Hydroelectric Generator-Motor Brake Dust Collection: Boundary Condition Selection for Flow Modeling of a Dilute-Phase Pneumatic Conveying System

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DeVon A. Washington, James B. Lewis, Robert T. Gilmore
Proc. ASME. POWER2015, ASME 2015 Power Conference, V001T13A006, June 28–July 2, 2015
Publisher: American Society of Mechanical Engineers
Paper No: POWER2015-49344
https://doi.org/10.1115/POWER2015-49344
View Paper titled, Hydroelectric Generator-Motor Brake Dust Collection: Boundary Condition Selection for Flow Modeling of a Dilute-Phase Pneumatic Conveying System
Open the PDF for Hydroelectric Generator-Motor Brake Dust Collection: Boundary Condition Selection for Flow Modeling of a Dilute-Phase Pneumatic Conveying System in another window
Topics: Boundary-value problems, Brakes, Dust, Engines, Flow (Dynamics), Generators, Hydropower, Modeling, Motors, Design
Proceedings Papers

Retrofitting Fossil Power Plants for Increased Flexibility

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Nikhil Kumar, Sundar Venkataraman, Debra Lew, Greg Brinkman, David Palchak, Jaquelin Cochran
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, V001T06A001, July 28–31, 2014
Publisher: American Society of Mechanical Engineers
Paper No: POWER2014-32024
https://doi.org/10.1115/POWER2014-32024
View Paper titled, Retrofitting Fossil Power Plants for Increased Flexibility
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Topics: Coal, Cost benefit analysis, Cycles, Fossil fuels, Power stations, Wear
Proceedings Papers

Smart Asset Management: Using Real Time Transient Data to Determine Equipment Damage, Maintenance Costs, and Operational Strategy in Power Plants

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Nikhil Kumar, Steven A. Lefton, Aaron Nissen, Garry Christensen, Douglas Hilleman, Dwight Agan
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, V001T05A004, July 29–August 1, 2013
Publisher: American Society of Mechanical Engineers
Paper No: POWER2013-98063
https://doi.org/10.1115/POWER2013-98063
View Paper titled, Smart Asset Management: Using Real Time Transient Data to Determine Equipment Damage, Maintenance Costs, and Operational Strategy in Power Plants
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Topics: Damage, Maintenance, Power stations, Transients (Dynamics), Stress, Energy industry, Fossil fuels, Heat, Uncertainty, Wear
Proceedings Papers

Design Factors for Avoiding FAC Erosion in HRSG Low Pressure Evaporators

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David Moelling, James Malloy, Marc Graham, Mark Taylor, Andreas Fabricius
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, V001T02A003, July 29–August 1, 2013
Publisher: American Society of Mechanical Engineers
Paper No: POWER2013-98213
https://doi.org/10.1115/POWER2013-98213
View Paper titled, Design Factors for Avoiding FAC Erosion in HRSG Low Pressure Evaporators
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Topics: Design, Erosion, Heat recovery steam generators, Pressure, Flow (Dynamics), Wear, Circuits, Corrosion, Failure, Fluids
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