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Proceedings Papers

Additive Manufacturing: A New Paradigm for the Next Generation of High-Power-Density Direct-Drive Electric Generators

Austin C. Hayes, Latha Sethuraman, Lee Jay Fingersh, Katherine Dykes
Proc. ASME. POWER2018, Volume 2: Heat Exchanger Technologies; Plant Performance; Thermal Hydraulics and Computational Fluid Dynamics; Water Management for Power Systems; Student Competition, V002T12A001, June 24–28, 2018
Paper No: POWER2018-7140
DOI: https://doi.org/10.1115/POWER2018-7140
View Paper titled, Additive Manufacturing: A New Paradigm for the Next Generation of High-Power-Density Direct-Drive Electric Generators
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Topics: Additive manufacturing, Density, Generators, Design, Rotors, Deflection, Manufacturing, Optimization, Binders (Materials), Deformation
Proceedings Papers

A Bladeless Turbocompressor Concept: Shear Driven Gas Compression With Deformable Structures: Part 2 — Operating Principles and Theory

Hooshang Heshmat, José Luis Córdova
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, V001T02A006, June 26–30, 2017
Paper No: POWER-ICOPE2017-3375
DOI: https://doi.org/10.1115/POWER-ICOPE2017-3375
View Paper titled, A Bladeless Turbocompressor Concept: Shear Driven Gas Compression With Deformable Structures: Part 2 — Operating Principles and Theory
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Topics: Compression, Shear (Mechanics), Pressure, Disks, Flow (Dynamics), Shear flow, Compressors, Engines, Fluid films, Foil bearings
Proceedings Papers

Stress Distribution and Deformation Analysis of Gas Turbine Blades and Disk With FEM Method

Yang Fengna, Pan Chengxiong, Zhang Dongfang, Tang Jian, Yan Jing
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, V001T02A007, June 26–30, 2017
Paper No: POWER-ICOPE2017-3409
DOI: https://doi.org/10.1115/POWER-ICOPE2017-3409
View Paper titled, Stress Distribution and Deformation Analysis of Gas Turbine Blades and Disk With FEM Method
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Topics: Blades, Deformation, Disks, Finite element methods, Finite element model, Gas turbines, Stress concentration, Stress, Turbine blades, Centrifugal force
Proceedings Papers

Experimental Investigation on the Influences of Bluff-Body’s Position on Diffusion Flame Structures

Yiheng Tong, Mao Li, Jens Klingmann, Shuang Chen, Zhongshan Li
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, V001T04A009, June 26–30, 2017
Paper No: POWER-ICOPE2017-3090
DOI: https://doi.org/10.1115/POWER-ICOPE2017-3090
View Paper titled, Experimental Investigation on the Influences of Bluff-Body’s Position on Diffusion Flame Structures
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Topics: Diffusion flames, Flames, Flow (Dynamics), Air flow, Bubbles, Disks, Combustion, Diffusion (Physics), Exterior walls, Flashing
Proceedings Papers

A Bladeless Turbocompressor Concept: Shear Driven Gas Compression With Deformable Structures: Part 1 — Experimental Proof of Concept

Hooshang Heshmat, James F. Walton, II
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, V001T02A005, June 26–30, 2017
Paper No: POWER-ICOPE2017-3374
DOI: https://doi.org/10.1115/POWER-ICOPE2017-3374
View Paper titled, A Bladeless Turbocompressor Concept: Shear Driven Gas Compression With Deformable Structures: Part 1 — Experimental Proof of Concept
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Topics: Compression, Shear (Mechanics), Pressure, Foil bearings, Shear flow, Combined heat and power, Compressors, Disks, Flow (Dynamics), Geometry
Proceedings Papers

Nonlinear Dynamics Analysis of Mistuned Turbine Bladed Disks With Damped Shrouds

Wei Zhao, Di Zhang, Lei Sun, Yonghui Xie
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, V002T11A011, June 26–30, 2017
Paper No: POWER-ICOPE2017-3433
DOI: https://doi.org/10.1115/POWER-ICOPE2017-3433
View Paper titled, Nonlinear Dynamics Analysis of Mistuned Turbine Bladed Disks With Damped Shrouds
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Topics: Disks, Nonlinear dynamics, Turbines, Vibration, Damping, Excitation, Stiffness, Dry friction, Blades, Dynamics (Mechanics)
Proceedings Papers

Research on the Vibration Characteristic of Composite Rotor for Halfspeed Nuclear Power Turbine-Generator

Xiu-jin Wang
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, V002T11A003, June 26–30, 2017
Paper No: POWER-ICOPE2017-3152
DOI: https://doi.org/10.1115/POWER-ICOPE2017-3152
View Paper titled, Research on the Vibration Characteristic of Composite Rotor for Halfspeed Nuclear Power Turbine-Generator
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Topics: Composite materials, Nuclear power, Rotors, Turbogenerators, Vibration, Disks, Computer simulation, Finite element analysis, Generators, Press fits
Proceedings Papers

Design Optimization of T-Root Geometry of a Gas Engine HP Compressor Rotor Blade for Lifing the Blade Against Fretting Failure

Kumar K. Gowda, S. L. Ajit Prasad, Vinayaka Nagarajaiah
Proc. ASME. POWER2016, ASME 2016 Power Conference, V001T02A005, June 26–30, 2016
Paper No: POWER2016-59331
DOI: https://doi.org/10.1115/POWER2016-59331
View Paper titled, Design Optimization of T-Root Geometry of a Gas Engine HP Compressor Rotor Blade for Lifing the Blade Against Fretting Failure
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Topics: Blades, Compressors, Design, Engines, Failure, Geometry, Optimization, Rotors, Stress, Dimensions
Proceedings Papers

Numerical Simulation of a Compressed Air Driven Tesla Turbine

M. Salman Siddiqui, Humza Ahmed, Shaheer Ahmed
Proc. ASME. POWER2014, Volume 2: 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; Student Paper Competition, V002T09A009, July 28–31, 2014
Paper No: POWER2014-32069
DOI: https://doi.org/10.1115/POWER2014-32069
View Paper titled, Numerical Simulation of a Compressed Air Driven Tesla Turbine
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Topics: Compressed air, Computer simulation, Turbines, Turbulence, Computational fluid dynamics, Disks, Engineering simulation, Flow (Dynamics), Fluids, Laminar flow
Proceedings Papers

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

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
Paper No: POWER2013-98289
DOI: 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

Semi-Analytical Study of Aerosol Washout by Rain

Pascal Lemaitre, Amandine Nuboer, Arnaud Querel, Guillaume Depuydt, Emmanuel Porcheron
Proc. ASME. ICONE20-POWER2012, Volume 2: Plant Systems, Structures, and Components; Safety and Security; Next Generation Systems; Heat Exchangers and Cooling Systems, 367-375, July 30–August 3, 2012
Paper No: ICONE20-POWER2012-54442
DOI: https://doi.org/10.1115/ICONE20-POWER2012-54442
View Paper titled, Semi-Analytical Study of Aerosol Washout by Rain
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Topics: Aerosols, Particulate matter, Accidents, Generators, Arches, Chernobyl Nuclear Accident, Chornobyl, Ukraine, 1986, Disks, Fukushima nuclear disaster, Japan, 2011, Instrumentation, Light scattering
Proceedings Papers

Vibration Analysis of Coolant Pump With Two Unbalanced Disks Based on the State-Space Newmark Method

YuJin Wang, DeZhong Wang, YaoYu Hu
Proc. ASME. ICONE20-POWER2012, Volume 2: Plant Systems, Structures, and Components; Safety and Security; Next Generation Systems; Heat Exchangers and Cooling Systems, 113-118, July 30–August 3, 2012
Paper No: ICONE20-POWER2012-54611
DOI: https://doi.org/10.1115/ICONE20-POWER2012-54611
View Paper titled, Vibration Analysis of Coolant Pump With Two Unbalanced Disks Based on the State-Space Newmark Method
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Topics: Coolants, Disks, Pumps, Vibration analysis, Bearings, Rotors, Vibration, Finite element methods
Proceedings Papers

In Vessel Loss of Coolant Accident Analysis for the JET Tokamak in Support of the Safety Case Review

Joelle Vallory, Helen Boyer, Fabien Moreno, Dominique Kadri
Proc. ASME. ICONE20-POWER2012, Volume 5: Fusion Engineering; Student Paper Competition; Design Basis and Beyond Design Basis Events; Simple and Combined Cycles, 23-28, July 30–August 3, 2012
Paper No: ICONE20-POWER2012-54730
DOI: https://doi.org/10.1115/ICONE20-POWER2012-54730
View Paper titled, In Vessel Loss of Coolant Accident Analysis for the JET Tokamak in Support of the Safety Case Review
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Topics: Accidents, Coolants, Safety, Tokamaks, Vessels, Pressure, Modeling, Design, Disks, Engineering prototypes
Proceedings Papers

Use of FEA Software in Diagnosing Valve Performance Degradation

Gregory Kramer, Bob Stakenborghs, Sean Moles, Lindsey Dziuba
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, 565-571, July 30–August 3, 2012
Paper No: ICONE20-POWER2012-55242
DOI: https://doi.org/10.1115/ICONE20-POWER2012-55242
View Paper titled, Use of FEA Software in Diagnosing Valve Performance Degradation
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Topics: Computer software, Finite element analysis, Valves, Leakage, Maintenance, Simulation, Disks, Gates (Closures), Inspection, Nuclear industry
Proceedings Papers

Missile Safety Analysis of Nuclear Steam Turbine

Rong Chen, Feng Liang, Wen Xiang Hua, Pu Ning Jiang, Xiao Zhong He
Proc. ASME. ICONE20-POWER2012, Volume 3: Thermal-Hydraulics; Turbines, Generators, and Auxiliaries, 787-795, July 30–August 3, 2012
Paper No: ICONE20-POWER2012-54434
DOI: https://doi.org/10.1115/ICONE20-POWER2012-54434
View Paper titled, Missile Safety Analysis of Nuclear Steam Turbine
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Topics: Missiles, Safety, Steam turbines, Turbines, Failure, Rotors, Damage, Fracture (Materials), Pressure, Brittle fracture
Proceedings Papers

Using Computational Fluid Dynamics to Simulate Multiple Axial Flow Fans in Air-Cooled Steam Condensers

S. J. van der Spuy, T. W. von Backstro¨m, D. G. Kro¨ger
Proc. ASME. POWER2011, ASME 2011 Power Conference, Volume 1, 375-383, July 12–14, 2011
Paper No: POWER2011-55057
DOI: https://doi.org/10.1115/POWER2011-55057
View Paper titled, Using Computational Fluid Dynamics to Simulate Multiple Axial Flow Fans in Air-Cooled Steam Condensers
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Topics: Axial flow, Computational fluid dynamics, Condensers (steam plant), Fans, Flow (Dynamics), Actuators, Disks, Test facilities, Computer simulation, Engineering simulation
Proceedings Papers

Blisk Life Prediction for Twin-Shaft Turbo Engines by Using a Two-Dimensional Thermal Off-Design Model

Ying Chen, Ashok Koul, Jun Zhao
Proc. ASME. POWER2010, ASME 2010 Power Conference, 235-241, July 13–15, 2010
Paper No: POWER2010-27233
DOI: https://doi.org/10.1115/POWER2010-27233
View Paper titled, Blisk Life Prediction for Twin-Shaft Turbo Engines by Using a Two-Dimensional Thermal Off-Design Model
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Topics: Design, Engines, Turbochargers, Fracture (Materials), Temperature distribution, Temperature profiles, Damage, Disks, Downtime, Gas turbines
Proceedings Papers

Compact Diaphragm Turbine Technology and Its First Application in a Turbine Retrofit

David M. Littlewood, Simon I. Hogg
Proc. ASME. POWER2008, ASME 2008 Power Conference, 317-323, July 22–24, 2008
Paper No: POWER2008-60141
DOI: https://doi.org/10.1115/POWER2008-60141
View Paper titled, Compact Diaphragm Turbine Technology and Its First Application in a Turbine Retrofit
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Topics: Diaphragms (Mechanical devices), Diaphragms (Structural), Turbines, Design, Impulse (Physics), Steam turbines, Cylinders, Disks, Energy generation, Rotors
Proceedings Papers

Rotor Welding: TVA Experience

H. G. Best, M. E. Koss
Proc. ASME. POWER2008, ASME 2008 Power Conference, 261-266, July 22–24, 2008
Paper No: POWER2008-60035
DOI: https://doi.org/10.1115/POWER2008-60035
View Paper titled, Rotor Welding: TVA Experience
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Topics: Rotors, Welding, Failure, Turbines, Fracture (Materials), Maintenance, Vibration, Damage, Design, Disks
Proceedings Papers

Design, Manufacturing and Testing of a New Family of Steam Turbine Low Pressure Stages

Lorenzo Cosi, Jonathon Slepski, Steven DeLessio, Michele Taviani, Amir Mujezinovic´
Proc. ASME. POWER2007, ASME 2007 Power Conference, 313-320, July 17–19, 2007
Paper No: POWER2007-22056
DOI: https://doi.org/10.1115/POWER2007-22056
View Paper titled, Design, Manufacturing and Testing of a New Family of Steam Turbine Low Pressure Stages
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Topics: Design, Manufacturing, Pressure, Steam turbines, Testing, Blades, Energy generation, Nozzles, Steam, Turbines