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Proceedings Papers

Failure Analysis of OTSG Tube in a Cogeneration Power Plant

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

Experimental Analysis of an Elastohydrodynamic Seal for Supercritical Carbon Dioxide Turbomachinery

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

Numerical Modeling of an Elastohydrodynamic Seal Design for Supercritical CO 2 Power Cycles

Sevki Cesmeci, Ikenna Ejiogu, Md Mahmudur Rahman, Mohammad Fuad Hassan, Hanping Xu, Jing Tang
Proc. ASME. POWER2023, ASME Power Applied R&D 2023, V001T05A013, August 6–8, 2023
Publisher: American Society of Mechanical Engineers
Paper No: POWER2023-108959
https://doi.org/10.1115/POWER2023-108959
View Paper titled, Numerical Modeling of an Elastohydrodynamic Seal Design for Supercritical CO 2 Power Cycles
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Topics: Computer simulation, Design, Leakage, Supercritical carbon dioxide, Thermodynamic power cycles
Proceedings Papers

An Innovative Seal Concept for Aircraft Engines

Md Wasif Hasan, Sevki Cesmeci, Mohammad Fuad Hassan, Matthew DeMond, Hanping Xu
Proc. ASME. POWER2023, ASME Power Applied R&D 2023, V001T04A003, August 6–8, 2023
Publisher: American Society of Mechanical Engineers
Paper No: POWER2023-108776
https://doi.org/10.1115/POWER2023-108776
View Paper titled, An Innovative Seal Concept for Aircraft Engines
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Topics: Aircraft, Aircraft engines, Combustion chambers, Compressors, Computational fluid dynamics, Computer simulation, Computer software, Cycles, Design, Engineering simulation
Proceedings Papers

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

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

Hyper-Parameter Optimization of Deep Learning Models for Compressor Air Leak Prediction in a Gas Turbine

Diego I. Nogueras-Rivera, Lemuel Mojica-Vazquez, Harry Bonilla-Alvarado, Kenneth M. Bryden, David Tucker, Luis M. Traverso-Avilés, Diego A. Aponte-Roa
Proc. ASME. POWER2022, ASME 2022 Power Conference, V001T04A002, July 18–19, 2022
Publisher: American Society of Mechanical Engineers
Paper No: POWER2022-85800
https://doi.org/10.1115/POWER2022-85800
View Paper titled, Hyper-Parameter Optimization of Deep Learning Models for Compressor Air Leak Prediction in a Gas Turbine
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Topics: Compressors, Failure, Gas turbines, Leakage, Optimization, Time series
Proceedings Papers

Stator Leakage Monitoring System in Water-Cooled Generators: Problems and Solutions

Thomas Bauer, Matthias Svoboda
Proc. ASME. POWER2021, ASME 2021 Power Conference, V001T11A001, July 20–22, 2021
Publisher: American Society of Mechanical Engineers
Paper No: POWER2021-65471
https://doi.org/10.1115/POWER2021-65471
View Paper titled, Stator Leakage Monitoring System in Water-Cooled Generators: Problems and Solutions
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Topics: Carbon dioxide, Cooling, Generators, Hydrogen, Leakage, Monitoring systems, Stators, Water
Proceedings Papers

Data Analytics Applied to Coal Fired Boilers for Detecting Leaks

Natarianto Indrawan, Rupendranath Panday, Lawrence J. Shadle, Umesh K. Chitnis
Proc. ASME. POWER2020, ASME 2020 Power Conference, V001T01A004, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: POWER2020-16912
https://doi.org/10.1115/POWER2020-16912
View Paper titled, Data Analytics Applied to Coal Fired Boilers for Detecting Leaks
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Topics: Boilers, Coal, Food and Drug Administration, Frequency-domain analysis, Leakage
Proceedings Papers

Modeling and Control of Subcritical Coal-Fired Power Plant Components for Fault Detection

Selorme Agbleze, Fernando V. Lima, Natarianto Indrawan, Rupendranath Panday, Paolo Pezzini, Harry Bonilla-Alvarado, Kenneth M. Bryden, David Tucker, Lawrence J. Shadle
Proc. ASME. POWER2020, ASME 2020 Power Conference, V001T12A002, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: POWER2020-16571
https://doi.org/10.1115/POWER2020-16571
View Paper titled, Modeling and Control of Subcritical Coal-Fired Power Plant Components for Fault Detection
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Topics: Algorithms, Boilers, Coal, Control modeling, Flaw detection, Leakage, Power stations, Steam, Dynamics (Mechanics), Stress
Proceedings Papers

Innovative Field Repair of a Drain Cooler Top Plate in a Low-Pressure Feedwater Heater

Eric Svensson, Dominic Marra, Michael Catapano
Proc. ASME. POWER2018, Volume 2: Heat Exchanger Technologies; Plant Performance; Thermal Hydraulics and Computational Fluid Dynamics; Water Management for Power Systems; Student Competition, V002T07A003, June 24–28, 2018
Publisher: American Society of Mechanical Engineers
Paper No: POWER2018-7348
https://doi.org/10.1115/POWER2018-7348
View Paper titled, Innovative Field Repair of a Drain Cooler Top Plate in a Low-Pressure Feedwater Heater
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Topics: Feedwater, Maintenance, Pressure, Shells, Steam, Leakage, Nozzles, Failure, Inspection, Probes
Proceedings Papers

Evaluation of the Tube to Tubesheet Joining Process in an AL6XN ® Feedwater Heater

Eric Svensson, Michael Catapano
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, V001T05A006, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: POWER-ICOPE2017-3190
https://doi.org/10.1115/POWER-ICOPE2017-3190
View Paper titled, Evaluation of the Tube to Tubesheet Joining Process in an AL6XN ® Feedwater Heater
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Topics: Feedwater, Joining, Stress, Tubing, Failure, High pressure (Physics), Leakage, Public utilities, Stainless steel, Condensers (steam plant)
Proceedings Papers

A Numerical Study of Quad-Section Air Preheater Thermal Performance and Air Leakage

Xueyi Wang, Yuetao Shi, Fengzhong Sun, Ming Gao
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, V001T05A007, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: POWER-ICOPE2017-3231
https://doi.org/10.1115/POWER-ICOPE2017-3231
View Paper titled, A Numerical Study of Quad-Section Air Preheater Thermal Performance and Air Leakage
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Topics: Leakage, Errors, Finite difference methods, Fluids, Gas flow, Heat conduction, Low temperature, Nonlinear equations, Temperature, Temperature distribution
Proceedings Papers

PED Certified Recuperator for Micro Gas Turbines

Yves De Vos, Jean-Paul Janssens, Leo van Kooten, Jörg Alexnat
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, V001T05A014, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: POWER-ICOPE2017-3466
https://doi.org/10.1115/POWER-ICOPE2017-3466
View Paper titled, PED Certified Recuperator for Micro Gas Turbines
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Topics: Micro gas turbines, Leakage, Design, Pressure, Deformation, Hydrostatic pressure, Lasers, Safety, Temperature, ASME Boiler and Pressure Vessel Code
Proceedings Papers

Evacuation Systems for Steam Surface Condensers: Vacuum Pumps or Steam Jet Air Ejectors?

Ranga Nadig
Proc. ASME. POWER2016, ASME 2016 Power Conference, V001T04A002, June 26–30, 2016
Publisher: American Society of Mechanical Engineers
Paper No: POWER2016-59067
https://doi.org/10.1115/POWER2016-59067
View Paper titled, Evacuation Systems for Steam Surface Condensers: Vacuum Pumps or Steam Jet Air Ejectors?
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Topics: Condensers (steam plant), Ejectors, Evacuations, Steam, Vacuum pumps, Steam turbines, Pressure, Design, Atmospheric pressure, Electric motors
Proceedings Papers

Aeroelastic Impact of a Circumferentially Varying Tip Gap

David Canon, Jayanta Kapat
Proc. ASME. POWER2015, ASME 2015 Power Conference, V001T09A008, June 28–July 2, 2015
Publisher: American Society of Mechanical Engineers
Paper No: POWER2015-49565
https://doi.org/10.1115/POWER2015-49565
View Paper titled, Aeroelastic Impact of a Circumferentially Varying Tip Gap
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Topics: Aeroelasticity, Compressors, Computational fluid dynamics, Cycles, Engines, Excitation, Flow (Dynamics), Industrial gases, Leakage, Leakage flows
Proceedings Papers

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

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

Failure of Circulating Water Pumps Discharge Header Cross Connect Valve — Optimum Solutions

Mohammed Alismail
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, V001T07A001, July 28–31, 2014
Publisher: American Society of Mechanical Engineers
Paper No: POWER2014-32003
https://doi.org/10.1115/POWER2014-32003
View Paper titled, Failure of Circulating Water Pumps Discharge Header Cross Connect Valve — Optimum Solutions
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Topics: Failure, Pumps, Valves, Water, Maintenance, Collapse, Condensers (steam plant), Design, Leakage, Pipes
Proceedings Papers

Necessity is the Mother of Invention: The Dawn of Domestic Geothermal Turbine Repairs in Iceland

Reynir S. Atlason, Almar Gunnarsson, Runar Unnthorsson
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, V001T05A010, July 28–31, 2014
Publisher: American Society of Mechanical Engineers
Paper No: POWER2014-32304
https://doi.org/10.1115/POWER2014-32304
View Paper titled, Necessity is the Mother of Invention: The Dawn of Domestic Geothermal Turbine Repairs in Iceland
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Topics: Geothermal engineering, Inventions, Maintenance, Turbines, Machine shops, Failure, Rotors, Collaboration, Corrosion, Downtime
Proceedings Papers

Improving Nuclear Plant Reliability by Developing an Eddy Current Test Strategy to Identify Uncommon Condenser Tube Defects

James A. Kocher, Robert Frazee, Matthew Wolf
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, V001T03A010, July 28–31, 2014
Publisher: American Society of Mechanical Engineers
Paper No: POWER2014-32274
https://doi.org/10.1115/POWER2014-32274
View Paper titled, Improving Nuclear Plant Reliability by Developing an Eddy Current Test Strategy to Identify Uncommon Condenser Tube Defects
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Topics: Condensers (steam plant), Eddy current testing, Nuclear power stations, Reliability, Testing, Failure, Leakage, Instrumentation, Nuclear industry, Probes
Proceedings Papers

Role of Boiling Mode and Rate in Formation of Waterside Deposits in Heat Recovery Steam Generator Evaporator Tubes

David S. Moelling, James Malloy
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, V001T02A003, July 28–31, 2014
Publisher: American Society of Mechanical Engineers
Paper No: POWER2014-32106
https://doi.org/10.1115/POWER2014-32106
View Paper titled, Role of Boiling Mode and Rate in Formation of Waterside Deposits in Heat Recovery Steam Generator Evaporator Tubes
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Topics: Boiling, Heat recovery steam generators, Boilers, Combined cycles, Condensers (steam plant), Contamination, Feedwater, Firing, Flue gases, Gas turbines