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ASME Turbo Expo 2002: Power for Land, Sea, and Air

June 3–6, 2002

Amsterdam, The Netherlands

Conference Sponsors:

ISBN:

0-7918-3609-6

In This Volume

Ceramics (23)
Industrial and Cogeneration (33)
Structures and Dynamics (66)

Volume 4: Turbo Expo 2002, Parts A and B

Ceramics

Integral Textile Ceramic Composites for Turbine Engine Combustors

B. N. Cox, J. B. Davis, D. B. Marshall, Q. D. Yang

GT 2002; 1-7https://doi.org/10.1115/GT2002-30056

Abstract

View Articletitled, Integral Textile Ceramic Composites for Turbine Engine Combustors

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Topics: Ceramic composites , Combustion chambers , Gas turbines , Textiles , Ceramics , Design , Manufacturing , Stress , Ceramic matrix composites , Cooling

Stressed Oxidation Life for a Carbon Fiber Reinforced Silicon Carbide Matrix Composite

Anthony Calomino, Michael Verrilli, David J. Thomas

GT 2002; 9-14https://doi.org/10.1115/GT2002-30057

Abstract

View Articletitled, Stressed Oxidation Life for a Carbon Fiber Reinforced Silicon Carbide Matrix Composite

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Topics: Carbon fibers , Composite materials , Oxidation , Silicon , Rupture , Creep , Stress , Ceramic composites , Damage , Failure

Characterization and Nozzle Test Experience of a Self Sealing Ceramic Matrix Composite for Gas Turbine Applications

Eric P. Bouillon, Greg C. Ojard, G. Habarou, Patrick C. Spriet, Jean L. Lecordix, David T. Feindel, Gary D. Linsey, Doug P. Stetson

GT 2002; 15-21https://doi.org/10.1115/GT2002-30458

Abstract

View Articletitled, Characterization and Nozzle Test Experience of a Self Sealing Ceramic Matrix Composite for Gas Turbine Applications

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Topics: Ceramic matrix composites , Gas turbines , Nozzles , Sealing (Process) , Testing , Engines , Durability , Steam , Temperature , Advanced materials

Characterization of Ceramic Matrix Composite Fasteners Exposed in a Combustor Liner Rig Test

Michael Verrilli, David Brewer

GT 2002; 23-28https://doi.org/10.1115/GT2002-30459

Abstract

View Articletitled, Characterization of Ceramic Matrix Composite Fasteners Exposed in a Combustor Liner Rig Test

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Topics: Ceramic matrix composites , Combustion chambers , Fasteners , Combustion , Failure , Stress , Aircraft , Failure mechanisms

Ceramic Matrix Composite Material in Highly Loaded Journal Bearings

M. Leuchs, A. Mu¨hlratzer

GT 2002; 29-38https://doi.org/10.1115/GT2002-30460

Abstract

View Articletitled, Ceramic Matrix Composite Material in Highly Loaded Journal Bearings

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Topics: Ceramic matrix composites , Journal bearings , Pumps , Bearings , Vehicles , Water , Lubricants , Power stations , Reliability , Ball bearings

Progress in SiC/SiC Ceramic Composite Development for Gas Turbine Hot-Section Components Under NASA EPM and UEET Programs

James A. DiCarlo, Hee Mann Yun, Gregory N. Morscher, Ramakrishna T. Bhatt

GT 2002; 39-45https://doi.org/10.1115/GT2002-30461

Abstract

View Articletitled, Progress in SiC/SiC Ceramic Composite Development for Gas Turbine Hot-Section Components Under NASA EPM and UEET Programs

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Topics: Composite materials , Ethylene-propylene rubber , Gas turbines , NASA , Silicon carbide ceramics , Fibers , Coatings , Architecture , Creep , Engines

Confidence Intervals for Weibull Fast-Fracture Parameters

Mandar Chati, Curtis Johnson, Ahmet Kaya, Bjoern Schenk

GT 2002; 47-58https://doi.org/10.1115/GT2002-30501

Abstract

View Articletitled, Confidence Intervals for Weibull Fast-Fracture Parameters

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Topics: Approximation , Ceramics , Failure mechanisms , Fracture (Materials) , Fracture (Process) , Probability , ASTM International , Fracture toughness , Simulation , Uncertainty

Simulating the Failure Behaviour of Ceramic Components Under Gas Turbine Conditions

A. Bru¨ckner-Foit, P. Hu¨lsmeier, E. Diegele, U. Rettig, C. Hohmann

GT 2002; 59-65https://doi.org/10.1115/GT2002-30502

Abstract

View Articletitled, Simulating the Failure Behaviour of Ceramic Components Under Gas Turbine Conditions

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Topics: Failure , Gas turbines , Industrial ceramics , Probability , Stress , Thermal shock , Ceramics , Creep , Databases , Design

Advances in the Development of Silicon Nitride and Other Ceramics

W. Dave Carruthers, Mark van Roode, Paul F. Becher, Mattison K. Ferber, John Pollinger

GT 2002; 67-76https://doi.org/10.1115/GT2002-30504

Abstract

View Articletitled, Advances in the Development of Silicon Nitride and Other Ceramics

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Topics: Ceramics , Fracture toughness , Silicon nitride ceramics

Ceramic Gas Turbine Materials Impact Evaluation

Mark van Roode, Oscar Jimenez, John McClain, Jeff Price, Vijay Parthasarathy, Kevin L. Poormon, Mattison K. Ferber, Hua-Tay Lin

GT 2002; 77-84https://doi.org/10.1115/GT2002-30505

Abstract

View Articletitled, Ceramic Gas Turbine Materials Impact Evaluation

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Topics: Ceramics , Gas turbines , Damage , Particulate matter , Solar energy , Bending (Stress) , Composite materials , Engines , Failure , Fiber reinforced ceramics

Power Law Versus Exponential Form of Slow Crack Growth of Advanced Structural Ceramics: Dynamic Fatigue

Sung R. Choi, John P. Gyekenyesi

GT 2002; 85-95https://doi.org/10.1115/GT2002-30506

Abstract

View Articletitled, Power Law Versus Exponential Form of Slow Crack Growth of Advanced Structural Ceramics: Dynamic Fatigue

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Topics: Ceramics , Fatigue , Fracture (Materials) , Stress , Glass , Temperature , Testing

Fracture Toughness Testing on Bars Under Opposite Cylinder Loading

Theo Fett, Dietrich Munz, Gerhard Thun

GT 2002; 97-102https://doi.org/10.1115/GT2002-30507

Abstract

View Articletitled, Fracture Toughness Testing on Bars Under Opposite Cylinder Loading

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Topics: Cylinders , Fracture toughness , Testing , Ceramics , Stress , Fracture (Materials) , Rollers

A Novel Technique for Estimation of Critical Frontal Process Zone Size in Ceramics

Seong-Min Choi, Masato Okamoto, Hideo Awaji

GT 2002; 103-107https://doi.org/10.1115/GT2002-30508

Abstract

View Articletitled, A Novel Technique for Estimation of Critical Frontal Process Zone Size in Ceramics

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Topics: Ceramics

The Evaluation of CFCC Liners After Field Testing in a Gas Turbine — III

Narendernath Miriyala, Josh Kimmel, Jeffrey Price, Karren More, Peter Tortorelli, Harry Eaton, Gary Linsey, Ellen Sun

GT 2002; 109-118https://doi.org/10.1115/GT2002-30585

Abstract

View Articletitled, The Evaluation of CFCC Liners After Field Testing in a Gas Turbine — III

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Topics: Gas turbines , Testing , Silicon , Advanced materials , Ceramics , Coating processes , Coatings , Combustion chambers , Composite materials , Fiber reinforced ceramics

An Improved Long Life Duration CMC for Jet Aircraft Engine Applications

Eric Bouillon, Franck Lamouroux, Laurent Baroumes, Jean Claude Cavalier, Patrick Spriet, Georges Habarou

GT 2002; 119-125https://doi.org/10.1115/GT2002-30625

Abstract

View Articletitled, An Improved Long Life Duration CMC for Jet Aircraft Engine Applications

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Topics: Aircraft engines , Ceramic matrix composites , Fibers , Sealing (Process) , Carbon , Carbon fibers , Creep , Fatigue , Finishing , High temperature

Environmental Barrier Coatings Having a YSZ Top Coat

Kang N. Lee

GT 2002; 127-133https://doi.org/10.1115/GT2002-30626

Abstract

View Articletitled, Environmental Barrier Coatings Having a YSZ Top Coat

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Topics: Coatings , Durability , Atmospheric pressure , Chemical stability , Melting , Plasma spraying , Stress , Thermal conductivity , Water vapor

Development and Evaluation of Ceramic Components for Gas Turbine

Takero Fukudome, Sazo Tsuruzono, Wataru Karasawa, Yoshihiro Ichikawa

GT 2002; 135-140https://doi.org/10.1115/GT2002-30627

Abstract

View Articletitled, Development and Evaluation of Ceramic Components for Gas Turbine

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Topics: Gas turbines , Industrial ceramics , Combustion gases , Engines , High temperature , Reliability , Silicon nitride ceramics , Thermal efficiency , Turbines , Ceramics

Development and Evaluation of Environmental Barrier Coatings for Silicon Nitride

Ellen Y. Sun, Harry E. Eaton, John E. Holowczak, Gary D. Linsey

GT 2002; 141-146https://doi.org/10.1115/GT2002-30628

Abstract

View Articletitled, Development and Evaluation of Environmental Barrier Coatings for Silicon Nitride

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Topics: Coatings , Silicon nitride ceramics , Silicon , Temperature , Composite materials , Engines , Fibers , Gas turbines , High pressure (Physics) , High temperature

Evaluation of Mechanical Reliability of Silicon Nitride Vanes After Field Tests in an Industrial Gas Turbine

H.-T. Lin, M. K. Ferber, W. Westphal, F. Macri

GT 2002; 147-154https://doi.org/10.1115/GT2002-30629

Abstract

View Articletitled, Evaluation of Mechanical Reliability of Silicon Nitride Vanes After Field Tests in an Industrial Gas Turbine

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Topics: Industrial gases , Reliability , Silicon nitride ceramics , Turbines , Airfoils , Coating processes , Coatings , Coordinate measuring machines , Diamonds , Drilling

Evaluating Environmental Barrier Coatings on Ceramic Matrix Composites After Engine and Laboratory Exposures

Karren L. More, Peter L. Tortorelli, Larry R. Walker, Josh B. Kimmel, Narendernath Miriyala, Jeffrey R. Price, Harry E. Eaton, Ellen Y. Sun, Gary D. Linsey

GT 2002; 155-162https://doi.org/10.1115/GT2002-30630

Abstract

View Articletitled, Evaluating Environmental Barrier Coatings on Ceramic Matrix Composites After Engine and Laboratory Exposures

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Topics: Ceramic matrix composites , Coatings , Engines , Oxidation , Combustion chambers , Composite materials , Damage , Fiber reinforced ceramics , High pressure (Physics) , High temperature

Characterization of the Cohesive Strengths of Environmental Barrier Coatings to Ceramic Substrates Using Compression Tests

Shanti V. Nair, Harry E. Eaton, Ellen Y. Sun, Greg C. Ojard

GT 2002; 163-169https://doi.org/10.1115/GT2002-30631

Abstract

View Articletitled, Characterization of the Cohesive Strengths of Environmental Barrier Coatings to Ceramic Substrates Using Compression Tests

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Topics: Ceramics , Coatings , Compression , Adhesives , ASTM International , Adhesion , Design , Failure , Gages , Silicon

Thermal Gradient Cyclic Behavior of a Thermal/Environmental Barrier Coating System on SiC/SiC Ceramic Matrix Composites

Dongming Zhu, Kang N. Lee, Robert A. Miller

GT 2002; 171-178https://doi.org/10.1115/GT2002-30632

Abstract

View Articletitled, Thermal Gradient Cyclic Behavior of a Thermal/Environmental Barrier Coating System on SiC/SiC Ceramic Matrix Composites

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Topics: Coatings , Composite materials , Silicon carbide ceramics , Temperature gradient , Engines , Heat flux , Lasers , Ceramic matrix composites , Sintering , Temperature

Nondestructive Characterization of Enviromental Barrier Coatings Applied to Monolithic Ceramics

W. A. Ellingson, C. Deemer, S. Erdman, A. Parikh

GT 2002; 179-185https://doi.org/10.1115/GT2002-30645

Abstract

View Articletitled, Nondestructive Characterization of Enviromental Barrier Coatings Applied to Monolithic Ceramics

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Topics: Ceramics , Coatings , Nondestructive evaluation , Electromagnetic scattering , Gas turbines , Imaging , Lasers , Silicon nitride ceramics

Industrial and Cogeneration

Application of Methodologies to Evaluate the Health State of Gas Turbines in a Cogenerative Combined Cycle Power Plant

M. Pinelli, M. Venturini

GT 2002; 187-195https://doi.org/10.1115/GT2002-30248

Abstract

View Articletitled, Application of Methodologies to Evaluate the Health State of Gas Turbines in a Cogenerative Combined Cycle Power Plant

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Topics: Combined cycle power stations , Gas turbines , Machinery , Compressors , Cycles , Turbines

Development of Diagnostic Tools for Real Time Assessment of Gas Turbine Hot Gas Path Component Temperatures: A Preliminary Study

Carlo Carcasci, Bruno Facchini, Francesco Grillo, Erio Benvenuti, Gianni Mochi

GT 2002; 197-204https://doi.org/10.1115/GT2002-30249

Abstract

View Articletitled, Development of Diagnostic Tools for Real Time Assessment of Gas Turbine Hot Gas Path Component Temperatures: A Preliminary Study

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Topics: Gas turbines , Temperature , Metals , Stress , Algorithms , Design , Turbines , Blades , Computational fluid dynamics , Computers

Thermal and Economic Considerations for Optimizing HRSG Design

Akber Pasha, Andrew S. Ragland, Suichu Sun

GT 2002; 205-217https://doi.org/10.1115/GT2002-30250

Abstract

View Articletitled, Thermal and Economic Considerations for Optimizing HRSG Design

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Topics: Design , Heat recovery steam generators , Cycles , Combined cycle power stations

Upgrades of Steam Turbine Generator Units in Watson Cogeneration Combined Cycle Plant

Steve Ingistov

GT 2002; 219-228https://doi.org/10.1115/GT2002-30251

Abstract

View Articletitled, Upgrades of Steam Turbine Generator Units in Watson Cogeneration Combined Cycle Plant

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Topics: Combined cycle power stations , Combined heat and power , Generators , Steam turbines , Steam , Heat recovery steam generators , High pressure (Physics) , Rotors , Sealing (Process) , Blades

Design Considerations for Combined Cycle Plants for the Deregulated Market: An EPC Contractor’s Perspective

Ram G. Narula, Martin Massy, Jyoti Singh

GT 2002; 229-234https://doi.org/10.1115/GT2002-30252

Abstract

View Articletitled, Design Considerations for Combined Cycle Plants for the Deregulated Market: An EPC Contractor’s Perspective

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Topics: Combined cycle power stations , Design , Combined cycles , Construction , Energy industry , Power stations

GT10C: 30 MW Gas Turbine for Mechanical Drive and Power Generation

Anders Hellberg, Georg Norden, Sergey Shukin

GT 2002; 235-241https://doi.org/10.1115/GT2002-30253

Abstract

View Articletitled, GT10C: 30 MW Gas Turbine for Mechanical Drive and Power Generation

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Topics: Energy generation , Gas turbines , Mechanical drives , Fuels , Reliability , Combustion chambers , Design , Diesel , Emissions , Industrial gases

Design, Development and Operational Experience of the ALSTOM’s 13.4MW Cyclone Gas Turbine

Brian M. Igoe, Martin McGurry

GT 2002; 243-251https://doi.org/10.1115/GT2002-30254

Abstract

View Articletitled, Design, Development and Operational Experience of the ALSTOM’s 13.4MW Cyclone Gas Turbine

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Topics: Design , Gas turbines , Turbines , Engines , Combustion systems , Compressors , Fuels , Combined heat and power , Construction , Emissions

Development of a 20MW-Class High-Efficiency Gas Turbine L20A

Takao Sugimoto, Katsushi Nagai, Masanori Ryu, Ryozo Tanaka, Takeshi Kimura, Takashi Nagatomo

GT 2002; 253-259https://doi.org/10.1115/GT2002-30255

Abstract

View Articletitled, Development of a 20MW-Class High-Efficiency Gas Turbine L20A

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Topics: Gas turbines , Combined heat and power , Combustion chambers , Design , Emissions , Temperature , Thermal efficiency , Axial flow , Cogeneration systems , Combined cycles

Initial Operation and Analysis of a Cogeneration Laboratory

Andrew Banta

GT 2002; 261-270https://doi.org/10.1115/GT2002-30256

Abstract

View Articletitled, Initial Operation and Analysis of a Cogeneration Laboratory

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Topics: Combined heat and power , Gas turbines

Gas Turbines Design and Off-Design Performance Analysis With Emissions Evaluation

Antonio Andreini, Bruno Facchini

GT 2002; 271-281https://doi.org/10.1115/GT2002-30258

Abstract

View Articletitled, Gas Turbines Design and Off-Design Performance Analysis With Emissions Evaluation

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Topics: Design , Emissions , Gas turbines , Combustion chambers , Engines , Power stations , Simulation , Pollution , Combustion , Combustion systems

Incremental Cost of CO₂ Reduction in Power Plants

Ram G. Narula, Harvey Wen, Kenneth Himes

GT 2002; 283-289https://doi.org/10.1115/GT2002-30259

Abstract

View Articletitled, Incremental Cost of CO<sub>2</sub> Reduction in Power Plants

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Topics: Carbon dioxide , Power stations , Emissions , Coal , Integrated gasification combined cycle power stations , Combined cycles , Fuels , Gases , Nuclear power stations

Genetic Optimization of Steam Injected Gas Turbine Power Plants

Ibrahim Sinan Akmandor, O¨zhan O¨ksu¨z, Sec¸kin Go¨kaltun, Melih Han Bilgin

GT 2002; 291-299https://doi.org/10.1115/GT2002-30416

Abstract

View Articletitled, Genetic Optimization of Steam Injected Gas Turbine Power Plants

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Topics: Gas turbines , Optimization , Power stations , Steam , Thermal efficiency , Compressors , Flow (Dynamics) , Nitrogen oxides , Pressure , Combined cycle gas turbines

Microturbines and Trigeneration: Optimization Strategies and Multiple Engine Configuration Effects

Stefano Campanari, Luca Boncompagni, Ennio Macchi

GT 2002; 301-312https://doi.org/10.1115/GT2002-30417

Abstract

View Articletitled, Microturbines and Trigeneration: Optimization Strategies and Multiple Engine Configuration Effects

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Topics: Engines , Microturbines , Optimization , Generators , Heat , Turbines , Absorption , Combined heat and power , Cycles , Economics

Pre-Design Studies of Cycles With Energy, Exergy, Thermoeconomy and ELCA Analysis

Ahmad R. Azimian, Pernilla L. Olausson, Mohsen Assadi

GT 2002; 313-318https://doi.org/10.1115/GT2002-30418

Abstract

View Articletitled, Pre-Design Studies of Cycles With Energy, Exergy, Thermoeconomy and ELCA Analysis

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Topics: Cycles , Design , Exergy , Thermodynamic power cycles , Combined cycles , Energy / power systems , Energy sustainability , Exergy analysis , Life cycle assessment , Maintenance

The Model Steam Turbine: More Details About the Heat Recovery Steam Generator Evaluating Method in a Combined Cycle Plant

Dietmar Schmidt, Michail Arnold

GT 2002; 319-325https://doi.org/10.1115/GT2002-30482

Abstract

View Articletitled, The Model Steam Turbine: More Details About the Heat Recovery Steam Generator Evaluating Method in a Combined Cycle Plant

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Topics: Combined cycle power stations , Heat recovery steam generators , Steam turbines , Pressure , Turbines

A Program for the Evaluation of Pollutant Emissions in Combined Cycle Power Plants With Supplementary Firing

R. Bettocchi, M. Pinelli, P. R. Spina

GT 2002; 327-334https://doi.org/10.1115/GT2002-30483

Abstract

View Articletitled, A Program for the Evaluation of Pollutant Emissions in Combined Cycle Power Plants With Supplementary Firing

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Topics: Combined cycle power stations , Emissions , Firing , Pollution , Combustion chambers , Combustion , Gas turbines , Combustion systems , Dimensions , Gases

Effect of Inlet Air Cooling by Ice Storage on Unit Sizing of a Gas Turbine Cogeneration Plant

Ryohei Yokoyama, Koichi Ito

GT 2002; 335-342https://doi.org/10.1115/GT2002-30484

Abstract

View Articletitled, Effect of Inlet Air Cooling by Ice Storage on Unit Sizing of a Gas Turbine Cogeneration Plant

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Topics: Cogeneration plants , Cooling , Gas turbines , Ice , Storage , Heat , Compression , Linear programming

Cogenerative BAGT Performance With Variable Thermal Power

M. Bianchi, G. Negri di Montenegro, A. Peretto

GT 2002; 343-352https://doi.org/10.1115/GT2002-30557

Abstract

View Articletitled, Cogenerative BAGT Performance With Variable Thermal Power

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Topics: Combined cycle power stations , Combined heat and power , Electric power generation , Electricity (Physics) , Gas turbines , Gases , Heat , Heating , Power stations , Pressure

A Feasibility Study of Existing Gas Turbines for Recuperated, Intercooled and Reheat Cycle

R. Bhargava, M. Bianchi, A. Peretto, P. R. Spina

GT 2002; 353-370https://doi.org/10.1115/GT2002-30558

Abstract

View Articletitled, A Feasibility Study of Existing Gas Turbines for Recuperated, Intercooled and Reheat Cycle

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Topics: Cycles , Gas turbines , Design , Compressors , Design methodology , Turbines

Inlet Fogging of Gas Turbine Engines: Climatic Analysis of Gas Turbine Evaporative Cooling Potential of International Locations

Mustapha Chaker, Cyrus B. Meher-Homji

GT 2002; 371-386https://doi.org/10.1115/GT2002-30559

Abstract

View Articletitled, Inlet Fogging of Gas Turbine Engines: Climatic Analysis of Gas Turbine Evaporative Cooling Potential of International Locations

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Topics: Evaporative cooling , Gas turbines , Cooling , Cycles , Economics , Peak load , Simulation

Parametric Analysis of Existing Gas Turbines With Inlet Evaporative and Overspray Fogging

R. Bhargava, C. B. Meher-Homji

GT 2002; 387-401https://doi.org/10.1115/GT2002-30560

Abstract

View Articletitled, Parametric Analysis of Existing Gas Turbines With Inlet Evaporative and Overspray Fogging

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Topics: Gas turbines , Design , Energy generation , High pressure (Physics) , Machinery , Power plant operators

Thermo-Economic Analysis of Inlet Air Conditioning Methods of a Cogeneration Gas Turbine Plant

M. Nixdorf, A. Prelipceanu, D. Hein

GT 2002; 403-412https://doi.org/10.1115/GT2002-30561

Abstract

View Articletitled, Thermo-Economic Analysis of Inlet Air Conditioning Methods of a Cogeneration Gas Turbine Plant

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Topics: Air conditioning , Combined heat and power , Gas turbines , Thermoeconomics , Cooling , Evaporative cooling , Heat , Absorption , Cogeneration plants , Cycles

Inlet Fogging of Gas Turbine Engines: Part A — Fog Droplet Thermodynamics, Heat Transfer and Practical Considerations

Mustapha Chaker, Cyrus B. Meher-Homji, Thomas Mee, III

GT 2002; 413-428https://doi.org/10.1115/GT2002-30562

Abstract

View Articletitled, Inlet Fogging of Gas Turbine Engines: Part A — Fog Droplet Thermodynamics, Heat Transfer and Practical Considerations

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Topics: Drops , Gas turbines , Heat transfer , Thermodynamics , Ducts , Physics , Size measurement

Inlet Fogging of Gas Turbine Engines: Part B — Fog Droplet Sizing Analysis, Nozzle Types, Measurement and Testing

Mustapha Chaker, Cyrus B. Meher-Homji, Thomas Mee, III

GT 2002; 429-441https://doi.org/10.1115/GT2002-30563

Abstract

View Articletitled, Inlet Fogging of Gas Turbine Engines: Part B — Fog Droplet Sizing Analysis, Nozzle Types, Measurement and Testing

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Topics: Drops , Gas turbines , Nozzles , Testing , Design , Ducts , Physics , Size measurement

Inlet Fogging of Gas Turbine Engines: Part C — Fog Behavior in Inlet Ducts, CFD Analysis and Wind Tunnel Experiments

Mustapha Chaker, Cyrus B. Meher-Homji, Thomas Mee, III

GT 2002; 443-455https://doi.org/10.1115/GT2002-30564

Abstract

View Articletitled, Inlet Fogging of Gas Turbine Engines: Part C — Fog Behavior in Inlet Ducts, CFD Analysis and Wind Tunnel Experiments

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Topics: Computational fluid dynamics , Ducts , Gas turbines , Wind tunnels , Drops , Physics , Size measurement

Economic and Performance Evaluation of Combined Cycle Repowering Options

Rattan K. Tawney, James A. Bonner, Asem M. Elgawhary

GT 2002; 457-464https://doi.org/10.1115/GT2002-30565

Abstract

View Articletitled, Economic and Performance Evaluation of Combined Cycle Repowering Options

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Topics: Combined cycles , Performance evaluation , Emissions , Heat recovery steam generators , Reliability , Thermal efficiency , Combustion , Design , Energy industry , Feedwater

Flow Accelerated Corrosion in HRSGs: A Method to Quantify the Probability of FAC Occurrence

Akber Pasha, Syed F. Ahmad, Stephen Baxter

GT 2002; 465-471https://doi.org/10.1115/GT2002-30566

Abstract

View Articletitled, Flow Accelerated Corrosion in HRSGs: A Method to Quantify the Probability of FAC Occurrence

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Topics: Corrosion , Flow (Dynamics) , Heat recovery steam generators , Probability , Pressure , Water , Design , Metals , Electricity (Physics) , Failure

Combined Heat and Power Sizing Methodology

Asfaw Beyene

GT 2002; 473-480https://doi.org/10.1115/GT2002-30567

Abstract

View Articletitled, Combined Heat and Power Sizing Methodology

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Topics: Combined heat and power , Control systems , Energy generation , Heat recovery

Cold Flow Investigation of Silicon Carbide Cylindrical Filter Element

M. H. Al-Hajeri, Raed Al-Saleh, Adel Al-Hebeshi, Ali Witry

GT 2002; 481-486https://doi.org/10.1115/GT2002-30589

Abstract

View Articletitled, Cold Flow Investigation of Silicon Carbide Cylindrical Filter Element

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Topics: Filters , Flow (Dynamics) , Silicon , Particulate matter , Laser Doppler anemometry

Thermodynamic Analyses of Wet Compression Process in the Compressor of Gas Turbine

Qun Zheng, Yufeng Sun, Shuying Li, Yunhui Wang

GT 2002; 487-496https://doi.org/10.1115/GT2002-30590

Abstract

View Articletitled, Thermodynamic Analyses of Wet Compression Process in the Compressor of Gas Turbine

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Topics: Compression , Compressors , Gas turbines

Interstage Injection Into Axial Compressor, Gas Turbine Model 7EA: Part 2

Steve Ingistov

GT 2002; 497-505https://doi.org/10.1115/GT2002-30656

Abstract

View Articletitled, Interstage Injection Into Axial Compressor, Gas Turbine Model 7EA: Part 2

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Topics: Compressors , Gas turbines , Design , International Gas Turbine Institute , Combined heat and power , Flow (Dynamics) , Nozzles , Underground injection , Water

Assessment of Aqua-Ammonia Refrigeration for Pre-Cooling Gas Turbine Inlet Air

Jamal N. Al-Bortmany

GT 2002; 507-518https://doi.org/10.1115/GT2002-30657

Abstract

View Articletitled, Assessment of Aqua-Ammonia Refrigeration for Pre-Cooling Gas Turbine Inlet Air

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Topics: Cooling , Gas turbines , Refrigeration , Heat , Absorption , Exhaust systems , Climate , Temperature , Cycles , Electric power generation

Inlet-Temperature Suppression of Inlet Air for Gas-Turbine Compressors by Evaporative Cooling of Water Spray

Richard R. Trewin

GT 2002; 519-523https://doi.org/10.1115/GT2002-30658

Abstract

View Articletitled, Inlet-Temperature Suppression of Inlet Air for Gas-Turbine Compressors by Evaporative Cooling of Water Spray

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Topics: Compressors , Drops , Evaporation , Evaporative cooling , Gas turbines , Sprays , Temperature , Water

Structures and Dynamics

Diagnosis of Installation Problems of Turbomachinery

A. El-Shafei

GT 2002; 525-534https://doi.org/10.1115/GT2002-30284

Abstract

View Articletitled, Diagnosis of Installation Problems of Turbomachinery

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Topics: Turbomachinery , Vibration analysis , Deflection , Emission spectroscopy , Machinery , Resonance , Shapes , Spectroscopy , Testing

The Method of Harmonic Excitation for Determination of the Flexibility of the Support of Machine’s Rotor

Jozef Rybczynski

GT 2002; 535-542https://doi.org/10.1115/GT2002-30285

Abstract

View Articletitled, The Method of Harmonic Excitation for Determination of the Flexibility of the Support of Machine’s Rotor

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Topics: Excitation , Rotors , Computer software , Construction , Damping , Displacement , Dynamics (Mechanics) , Rotordynamics , Stiffness , Vibration

A Bulk Flow Model for Off-Centered Honeycomb Gas Seals

Thomas Soulas, Luis San Andres

GT 2002; 543-552https://doi.org/10.1115/GT2002-30286

Abstract

View Articletitled, A Bulk Flow Model for Off-Centered Honeycomb Gas Seals

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Topics: Flow (Dynamics) , Honeycomb structures

A Bulk-Flow Model of Angled Injection Lomakin Bearings

Luis San Andre´s, Thomas Soulas, Florence Challier, Patrice Fayolle

GT 2002; 553-562https://doi.org/10.1115/GT2002-30287

Abstract

View Articletitled, A Bulk-Flow Model of Angled Injection Lomakin Bearings

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Topics: Bearings , Flow (Dynamics)

A Study of the Influence of Static Eccentricity and Unbalance on Cavitation Effects in a Squeeze Film Damped Flexible Rotor

Philip Bonello, Michael J. Brennan, Roy Holmes

GT 2002; 563-572https://doi.org/10.1115/GT2002-30288

Abstract

View Articletitled, A Study of the Influence of Static Eccentricity and Unbalance on Cavitation Effects in a Squeeze Film Damped Flexible Rotor

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Topics: Cavitation , Dampers , Rotors

Deterministic Micro Asperities on Bearings and Seals Using a Modified LIGA Process

Lyndon Scott Stephens, Ravi Siripuram, Matthew Hayden, Bianca McCartt

GT 2002; 573-580https://doi.org/10.1115/GT2002-30289

Abstract

View Articletitled, Deterministic Micro Asperities on Bearings and Seals Using a Modified LIGA Process

PDF

Topics: Bearings , Lubrication , Friction , Manufacturing , Geometry , Lasers , Metrology , Microelectromechanical systems , Nickel , Optimization

Measurement of Oil Aeration Effects in Journal Bearings

J. L. Nikolajsen, D. Dong, M. J. Goodwin

GT 2002; 581-587https://doi.org/10.1115/GT2002-30290

Abstract

View Articletitled, Measurement of Oil Aeration Effects in Journal Bearings

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Topics: Journal bearings , Bearings , Damping , Stiffness , Stress

Oil-Free Foil Bearings as a Reliable, High Performance Backup Bearing for Active Magnetic Bearings

E. E. Swanson, H. Heshmat

GT 2002; 589-598https://doi.org/10.1115/GT2002-30291

Abstract

View Articletitled, Oil-Free Foil Bearings as a Reliable, High Performance Backup Bearing for Active Magnetic Bearings

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Topics: Bearings , Foil bearings , Magnetic bearings , Failure , Rotors , Bushings , Gas turbines , Machinery , Maintenance , Rolling bearings

On the Control of Synchronous Vibration in Rotor/Magnetic Bearing Systems Involving Auxiliary Bearing Contact

Patrick Keogh, Matthew Cole, Necip Sahinkaya, Clifford Burrows

GT 2002; 599-606https://doi.org/10.1115/GT2002-30292

Abstract

View Articletitled, On the Control of Synchronous Vibration in Rotor/Magnetic Bearing Systems Involving Auxiliary Bearing Contact

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Topics: Bearings , Magnetic bearings , Rotors , Vibration , Control equipment , Bearing design , Design , Lamination , Rotor vibration , Stators

Non-Linear Behaviors in the Motion of a Magnetically Supported Rotor on the Catcher Bearing During Levitation Loss: An Experimental Description

E. N. Cuesta, V. R. Rastelli, L. U. Medina, N. I. Montbrun, S. E. Diaz

GT 2002; 607-614https://doi.org/10.1115/GT2002-30293

Abstract

View Articletitled, Non-Linear Behaviors in the Motion of a Magnetically Supported Rotor on the Catcher Bearing During Levitation Loss: An Experimental Description

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Topics: Bearings , Levitation , Rotors , Magnetic bearings , Clearances (Engineering) , Emergencies , Failure , Limit cycles , Attractors , Ball bearings

Neural Network Emulation of a Magnetically Suspended Rotor

A. Escalante, V. Guzma´n, M. Parada, L. Medina, S. E. Diaz

GT 2002; 615-625https://doi.org/10.1115/GT2002-30294

Abstract

View Articletitled, Neural Network Emulation of a Magnetically Suspended Rotor

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Topics: Artificial neural networks , Rotors , Magnetic bearings , Control equipment , Electromechanical systems , Errors , Friction , Modeling , Sensors , Signals

A Simple Method for Estimating the Parameters of the Beta Distribution Applied to Modeling Uncertainty in Gas Turbine Inlet Temperature

Frederic A. Holland, Jr.

GT 2002; 627-633https://doi.org/10.1115/GT2002-30295

Abstract

View Articletitled, A Simple Method for Estimating the Parameters of the Beta Distribution Applied to Modeling Uncertainty in Gas Turbine Inlet Temperature

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Topics: Gas turbines , Modeling , Temperature , Uncertainty

A Review of Damage Accumulation Rules Applied to Maintenance Scheduling of Advanced Industrial Gas Turbines

Friedrich O. Soechting, Vinod Kallianpur, Steven G. Koff, Jun-Hee Lee, Yasuoki Tomita

GT 2002; 635-641https://doi.org/10.1115/GT2002-30296

Abstract

View Articletitled, A Review of Damage Accumulation Rules Applied to Maintenance Scheduling of Advanced Industrial Gas Turbines

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Topics: Damage , Industrial gases , Maintenance , Turbines , Cycles , Engines , Fatigue damage , Gas turbines , Creep , Electricity (Physics)

Load History Effects on Fretting Contacts of Isotropic Materials

P. T. Rajeev, H. Murthy, T. N. Farris

GT 2002; 643-649https://doi.org/10.1115/GT2002-30297

Abstract

View Articletitled, Load History Effects on Fretting Contacts of Isotropic Materials

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Topics: Stress , Finite element methods , Blades , Contact mechanics , Disks , Friction , Hardware , Integral equations , Jet engines , Plane strain

Analytical Method of Fatigue Damage Estimation for Compressor Stator Blades of Gas Turbines Experiencing Rotating Stall

Yasushi Hayasaka, Shigeo Sakurai, Takeshi Kudo, Kunihiro Ichikawa

GT 2002; 651-657https://doi.org/10.1115/GT2002-30298

Abstract

View Articletitled, Analytical Method of Fatigue Damage Estimation for Compressor Stator Blades of Gas Turbines Experiencing Rotating Stall

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Topics: Blades , Compressors , Fatigue damage , Gas turbines , Stators , Stress , Damage , Fatigue , Frequency response , Reliability

Stress Analysis of Turbomachinery Discs Having Complex Bolted Flange Design Features

R. Warikoo, R. Beaulieu, B. Mason

GT 2002; 659-674https://doi.org/10.1115/GT2002-30299

Abstract

View Articletitled, Stress Analysis of Turbomachinery Discs Having Complex Bolted Flange Design Features

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Topics: Bolted flanges , Design , Disks , Stress analysis (Engineering) , Turbomachinery , Flanges , Particle spin , Rotation , Spin (Aerodynamics) , Stress

Critical Plane Fatigue Modeling and Characterization of Single Crystal Nickel Superalloys

Rajiv A. Naik, Daniel P. DeLuca, Dilip M. Shah

GT 2002; 675-682https://doi.org/10.1115/GT2002-30300

Abstract

View Articletitled, Critical Plane Fatigue Modeling and Characterization of Single Crystal Nickel Superalloys

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Topics: Crystals , Fatigue , Modeling , Nickel , Superalloys , High cycle fatigue , Stress , Crystal structure , Failure , Fatigue damage

Combustion Turbine F-Class Life Management of 1^st Stage Turbine Blades

Eric S. Wan, Paul Crimi, John Scheibel, R. Viswanathan

GT 2002; 683-690https://doi.org/10.1115/GT2002-30301

Abstract

View Articletitled, Combustion Turbine F-Class Life Management of 1<sup>st</sup> Stage Turbine Blades

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Topics: Combustion , Turbine blades , Turbines , Stress , Temperature , Maintenance , Coating processes , Coatings , Creep , Damage

An Empirical Model for Predicting Crack Growth Behavior of Gas Turbine Stage 1 Nozzles

Jenfu Yau, Hui Kuang

GT 2002; 691-697https://doi.org/10.1115/GT2002-30302

Abstract

View Articletitled, An Empirical Model for Predicting Crack Growth Behavior of Gas Turbine Stage 1 Nozzles

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Topics: Fracture (Materials) , Gas turbines , Nozzles , Dimensions , Inspection , Machinery , Maintenance

A New Tool for Design and Certification of Aircraft Turbine Rotors

Gerald R. Leverant, R. Craig McClung, Harry R. Millwater, Michael P. Enright

GT 2002; 699-704https://doi.org/10.1115/GT2002-30303

Abstract

View Articletitled, A New Tool for Design and Certification of Aircraft Turbine Rotors

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Topics: Aircraft , Design , Rotors , Turbines , Computer software , Damage , Disks , Engines , Fatigue testing , Jet engines

Fatigue Crack Growth Life Prediction for Surface Crack Located in Stress Concentration Part Based on 3D-FEM

Youichi Yamashita, Masaharu Shinozaki, Yuusuke Ueda, Kenji Sakano

GT 2002; 705-712https://doi.org/10.1115/GT2002-30304

Abstract

View Articletitled, Fatigue Crack Growth Life Prediction for Surface Crack Located in Stress Concentration Part Based on 3D-FEM

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Topics: Fatigue cracks , Finite element methods , Finite element model , Stress concentration , Surface cracks , Finite element analysis , Fracture (Materials) , Stress

On the Three-Dimensional Finite Element Analysis of Dovetail Attachments

J. R. Beisheim, G. B. Sinclair

GT 2002; 713-723https://doi.org/10.1115/GT2002-30305

Abstract

View Articletitled, On the Three-Dimensional Finite Element Analysis of Dovetail Attachments

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Topics: Finite element analysis , Stress , Boundary-value problems , Dimensions , Stress analysis (Engineering)

Optimum Strain Gauge Application to Bladed Assemblies

J. Szwedowicz, S. M. Senn, R. S. Abhari

GT 2002; 725-733https://doi.org/10.1115/GT2002-30306

Abstract

View Articletitled, Optimum Strain Gauge Application to Bladed Assemblies

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Topics: Strain gages , Disks , Optimization , Structural elements (Construction) , Computation , Finite element model , Gages , Genetic algorithms , Impellers , Instrumentation

Unsteady Aerodynamic Forces on Vibrating Annular Cascade Blades: Cross-Validation of the Linear Unsteady CFD Calculations Using the TVD Scheme and the Double Linearization Theory

Nobuhiko Yamasaki, Masaaki Hamabe, Masanobu Namba

GT 2002; 735-744https://doi.org/10.1115/GT2002-30307

Abstract

View Articletitled, Unsteady Aerodynamic Forces on Vibrating Annular Cascade Blades: Cross-Validation of the Linear Unsteady CFD Calculations Using the TVD Scheme and the Double Linearization Theory

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Topics: Aerodynamics , Blades , Cascades (Fluid dynamics) , Computational fluid dynamics , Fluid-dynamic forces , Finite volume methods , Shock waves

Probabilistic Study of Fluid Structure Interaction

Rama S. R. Gorla, Shantaram S. Pai, Jeffrey J. Rusick

GT 2002; 745-754https://doi.org/10.1115/GT2002-30308

Abstract

View Articletitled, Probabilistic Study of Fluid Structure Interaction

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Topics: Combustion chambers , Computational fluid dynamics , Fluid structure interaction , Structural analysis , Design , Hoop stress , Stress , Temperature , Emissivity , Finite element analysis

Effects of Blade Count on Three-Bladerow Interaction in a Transonic Turbine

H. D. Li, L. He

GT 2002; 755-763https://doi.org/10.1115/GT2002-30310

Abstract

View Articletitled, Effects of Blade Count on Three-Bladerow Interaction in a Transonic Turbine

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Topics: Blades , Turbines , Stators , Nozzle guide vanes , Rotors , Unsteady flow , Wavelength , Flow (Dynamics)

3D Unsteady Forces of the Transonic Flow Through a Turbine Stage With Vibrating Blades

Romuald Rza˛dkowski, Vitaly Gnesin

GT 2002; 765-774https://doi.org/10.1115/GT2002-30311

Abstract

View Articletitled, 3D Unsteady Forces of the Transonic Flow Through a Turbine Stage With Vibrating Blades

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Topics: Blades , Transonic flow , Turbines , Oscillations , Rotors , Stators , Flow (Dynamics) , Stress , Aerodynamics , Algorithms

Unsteady Pressures in a Transonic Fan Cascade Due to a Single Oscillating Airfoil

J. Lepicovsky, E. R. McFarland, V. R. Capece, J. Hayden

GT 2002; 775-786https://doi.org/10.1115/GT2002-30312

Abstract

View Articletitled, Unsteady Pressures in a Transonic Fan Cascade Due to a Single Oscillating Airfoil

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Topics: Airfoils , Cascades (Fluid dynamics) , Blades , Mach number , Pressure , Oscillations , Computer simulation , Flutter (Aerodynamics) , Compressibility , Computers

Fluid/Structure Coupled Aeroelastic Computations for Transonic Flows in Turbomachinery

Hirofumi Doi, Juan J. Alonso

GT 2002; 787-794https://doi.org/10.1115/GT2002-30313

Abstract

View Articletitled, Fluid/Structure Coupled Aeroelastic Computations for Transonic Flows in Turbomachinery

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Topics: Computation , Fluids , Transonic flow , Turbomachinery , Blades , Engineering disciplines , Flow (Dynamics) , Deformation , Finite element analysis , Flutter (Aerodynamics)

Dynamic Response of a Hydrodynamic Thrust Bearing-Mounted Rotor

T. N. Shiau, K. S. Hsu, J. R. Chang

GT 2002; 795-801https://doi.org/10.1115/GT2002-30314

Abstract

View Articletitled, Dynamic Response of a Hydrodynamic Thrust Bearing-Mounted Rotor

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Topics: Bearings , Dynamic response , Rotors , Thrust , Thrust bearings , Finite element methods , Particle spin , Rotation , Spin (Aerodynamics) , Approximation

Turbomachinery Dual Rotor-Bearing System Analysis

Hsiao-Wei D. Chiang, Chih-Neng Hsu, Wes Jeng, Shun-Hsu Tu, Wei-Chen Li

GT 2002; 803-810https://doi.org/10.1115/GT2002-30315

Abstract

View Articletitled, Turbomachinery Dual Rotor-Bearing System Analysis

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Topics: Bearings , Mode shapes , Rotors , Stiffness , Systems analysis , Turbomachinery

A Microturbine Rotor-Bearing System Analysis

Hsiao-Wei D. Chiang, Chih-Neng Hsu, Wes Jeng, Shun-Hsu Tu, Wei-Chen Li

GT 2002; 811-817https://doi.org/10.1115/GT2002-30316

Abstract

View Articletitled, A Microturbine Rotor-Bearing System Analysis

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Topics: Bearings , Microturbines , Rotors , Stiffness , Systems analysis

Dynamic Response of Squeeze Film Dampers Operating With Bubbly Mixtures

Luis San Andre´s, Oscar C. De Santiago

GT 2002; 819-826https://doi.org/10.1115/GT2002-30317

Abstract

View Articletitled, Dynamic Response of Squeeze Film Dampers Operating With Bubbly Mixtures

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Topics: Dampers , Dynamic response

Unbalance Response of Rotors Supported on Hydrodynamic Bearings Placed Close to Nodal Points of Excited Vibration Modes

Demetrio C. Zachariadis

GT 2002; 827-836https://doi.org/10.1115/GT2002-30318

Abstract

View Articletitled, Unbalance Response of Rotors Supported on Hydrodynamic Bearings Placed Close to Nodal Points of Excited Vibration Modes

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Topics: Bearings , Rotors , Vibration , Journal bearings , Rotordynamics , Stability

Flutter Analysis of a Transonic Fan

R. Srivastava, M. A. Bakhle, T. G. Keith, Jr., G. L. Stefko

GT 2002; 837-844https://doi.org/10.1115/GT2002-30319

Abstract

View Articletitled, Flutter Analysis of a Transonic Fan

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Topics: Flutter (Aerodynamics) , Blades , Stability , Damping , Shapes , Shock (Mechanics) , Boundary-value problems , Navier-Stokes equations

Using CFD to Reduce Resonant Stresses on a Single-Stage, High-Pressure Turbine Blade

J. P. Clark, A. S. Aggarwala, M. A. Velonis, R. E. Gacek, S. S. Magge, F. R. Price

GT 2002; 845-851https://doi.org/10.1115/GT2002-30320

Abstract

View Articletitled, Using CFD to Reduce Resonant Stresses on a Single-Stage, High-Pressure Turbine Blade

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Topics: Computational fluid dynamics , High pressure (Physics) , Resonance , Stress , Turbine blades , Blades , Cycles , Design , Engines , Failure

A Numerical Method for Turbomachinery Aeroelasticity

P. Cinnella, P. De Palma, G. Pascazio, M. Napolitano

GT 2002; 853-860https://doi.org/10.1115/GT2002-30321

Abstract

View Articletitled, A Numerical Method for Turbomachinery Aeroelasticity

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Topics: Aeroelasticity , Numerical analysis , Turbomachinery , Flutter (Aerodynamics) , Blades , Cascades (Fluid dynamics) , Reynolds-averaged Navier–Stokes equations , Turbines , Compressible flow , Computation

Calculation and Correlation of the Unsteady Flowfield in a High Pressure Turbine

Milind A. Bakhle, Jong S. Liu, Josef Panovsky, Theo G. Keith, Jr., Oral Mehmed

GT 2002; 861-874https://doi.org/10.1115/GT2002-30322

Abstract

View Articletitled, Calculation and Correlation of the Unsteady Flowfield in a High Pressure Turbine

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Topics: High pressure (Physics) , Turbines , Blades , Computational fluid dynamics , Vibration , Aerodynamics , Engines , Excitation , Fracture (Materials) , High cycle fatigue

Maximum Amplification of Blade Response Due to Mistuning: Localization and Mode Shapes Aspects of the Worst Disks

Alejandro J. Rivas-Guerra, Marc P. Mignolet

GT 2002; 875-889https://doi.org/10.1115/GT2002-30323

Abstract

View Articletitled, Maximum Amplification of Blade Response Due to Mistuning: Localization and Mode Shapes Aspects of the Worst Disks

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Topics: Blades , Disks , Mode shapes , Optimization

Friction Damping of Interlocked Vane Segments: Validation of Friction Model and Dynamic Response

T. Berruti, S. Filippi, M. M. Gola, S. Salvano

GT 2002; 891-898https://doi.org/10.1115/GT2002-30324

Abstract

View Articletitled, Friction Damping of Interlocked Vane Segments: Validation of Friction Model and Dynamic Response

PDF

Topics: Damping , Dynamic response , Friction , Cycles , Shapes

Analytical Formulation of Friction Interface Elements for Analysis of Nonlinear Multi-Harmonic Vibrations of Bladed Discs

E. P. Petrov, D. J. Ewins

GT 2002; 899-908https://doi.org/10.1115/GT2002-30325

Abstract

View Articletitled, Analytical Formulation of Friction Interface Elements for Analysis of Nonlinear Multi-Harmonic Vibrations of Bladed Discs

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Topics: Disks , Friction , Vibration , Stiffness , Computation , Separation (Technology) , Stability , Stress

The Identification of the Unbalance of a Flexible Rotating Machine From a Single Run-Down

A. W. Lees, J. K. Sinha, M. I. Friswell

GT 2002; 909-916https://doi.org/10.1115/GT2002-30420

Abstract

View Articletitled, The Identification of the Unbalance of a Flexible Rotating Machine From a Single Run-Down

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Topics: Machinery , Bearings , Electromagnetic spectrum , Errors , Journal bearings , Robustness , Simulation , Turbogenerators , Vibration

Non-Linear Effects of Vibration in Gas Turbine Engines With Two or Three Rotors

J. Pismenny, Y. Levy

GT 2002; 917-924https://doi.org/10.1115/GT2002-30421

Abstract

View Articletitled, Non-Linear Effects of Vibration in Gas Turbine Engines With Two or Three Rotors

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Topics: Gas turbines , Rotors , Vibration

Predicting Engine Whirl Instability Via Equivalent 2D Mechanisms

Nicholas Klompas

GT 2002; 925-932https://doi.org/10.1115/GT2002-30422

Abstract

View Articletitled, Predicting Engine Whirl Instability Via Equivalent 2D Mechanisms

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Topics: Engines , Whirls , Deflection , Disks , Signals

Eigen Solutions of an Orthotropy Composite Blade Solved by the Differential Quadrature Method

J. H. Kuang, M. H. Hsu

GT 2002; 933-942https://doi.org/10.1115/GT2002-30423

Abstract

View Articletitled, Eigen Solutions of an Orthotropy Composite Blade Solved by the Differential Quadrature Method

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Topics: Blades , Composite materials

Turbine Mistuned Forced Response Prediction: Comparison With Experimental Results

Eric Seinturier, Jean-Pierre Lombard, Marc Berthillier, Olivier Sgarzi

GT 2002; 943-952https://doi.org/10.1115/GT2002-30424

Abstract

View Articletitled, Turbine Mistuned Forced Response Prediction: Comparison With Experimental Results

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Topics: Turbines , Aerodynamics , Centrifugal force , Computational fluid dynamics , Design , Disks , Dynamic response , Excitation , Fluids , Structural dynamics

A Fundamental Model of Mistuning for a Single Family of Modes

D. M. Feiner, J. H. Griffin

GT 2002; 953-964https://doi.org/10.1115/GT2002-30425

Abstract

View Articletitled, A Fundamental Model of Mistuning for a Single Family of Modes

PDF

Topics: Blades , Disks , Modeling , Springs , Turbines , Vibration

Maximum Bladed Disk Forced Response From Distortion of a Structural Mode

J. A. Kenyon, J. H. Griffin, D. M. Feiner

GT 2002; 965-980https://doi.org/10.1115/GT2002-30426

Abstract

View Articletitled, Maximum Bladed Disk Forced Response From Distortion of a Structural Mode

PDF

Topics: Blades , Disks , Vibration

Fast Calculation of the Statistics of the Forced Response of Mistuned Bladed Disk Assemblies With Friction Contacts

Walter Sextro, Lars Panning, Florian Go¨tting, Karl Popp

GT 2002; 981-989https://doi.org/10.1115/GT2002-30427

Abstract

View Articletitled, Fast Calculation of the Statistics of the Forced Response of Mistuned Bladed Disk Assemblies With Friction Contacts

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Topics: Disks , Friction , Statistics , Blades , Simulation , Vibration , Computation , Frequency response , Boundary-value problems , Damping

Optimization of the Contact Geometry Between Turbine Blades and Underplatform Dampers With Respect to Friction Damping

Lars Panning, Walter Sextro, Karl Popp

GT 2002; 991-1002https://doi.org/10.1115/GT2002-30429

Abstract

View Articletitled, Optimization of the Contact Geometry Between Turbine Blades and Underplatform Dampers With Respect to Friction Damping

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Topics: Dampers , Damping , Friction , Geometry , Optimization , Turbine blades , Blades , Vibration , Disks , Excitation

Effects of the Nature of Excitation on the Response of a Mistuned Bladed Disk Assembly

D. Cha, A. Sinha

GT 2002; 1003-1014https://doi.org/10.1115/GT2002-30430

Abstract

View Articletitled, Effects of the Nature of Excitation on the Response of a Mistuned Bladed Disk Assembly

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Topics: Disks , Excitation , Manufacturing , Random excitation , Statistics , Engines

Machinery Management: The New Paradigm

Roger G. Harker, Steven J. Sabin

GT 2002; 1015-1024https://doi.org/10.1115/GT2002-30431

Abstract

View Articletitled, Machinery Management: The New Paradigm

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Topics: Machinery , Condition monitoring , Maintenance , Process industries , Reliability

Investigation of Unsteady Aerodynamic Blade Excitation Mechanisms in Transonic Turbine Stages

Bjo¨rn Laumert, Hans Ma˚rtensson, Torsten H. Fransson

GT 2002; 1025-1033https://doi.org/10.1115/GT2002-30450

Abstract

View Articletitled, Investigation of Unsteady Aerodynamic Blade Excitation Mechanisms in Transonic Turbine Stages

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Topics: Blades , Excitation , Turbines , Pressure , Rotors , Computation , Design , High pressure (Physics) , Mach number

A Numerical Investigation on the Influence of Lateral Boundaries in Linear Vibrating Cascades

Roque Corral, Fernando Gisbert

GT 2002; 1035-1046https://doi.org/10.1115/GT2002-30451

Abstract

View Articletitled, A Numerical Investigation on the Influence of Lateral Boundaries in Linear Vibrating Cascades

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Topics: Blades , Cascades (Fluid dynamics) , Computational fluid dynamics , Flat plates , Pressure , Resolution (Optics) , Traveling waves

Mode Shape Sensitivity of the High Pressure Turbine Rotor Excitation Due to Upstream Stators

Markus Jo¨cker, Torsten H. Fransson

GT 2002; 1047-1056https://doi.org/10.1115/GT2002-30452

Abstract

View Articletitled, Mode Shape Sensitivity of the High Pressure Turbine Rotor Excitation Due to Upstream Stators

PDF

Topics: Excitation , High pressure (Physics) , Mode shapes , Rotors , Stators , Turbines

Forced Response Experiments in a High Pressure Turbine Stage

Holger Hennings, Robert Elliott

GT 2002; 1057-1064https://doi.org/10.1115/GT2002-30453

Abstract

View Articletitled, Forced Response Experiments in a High Pressure Turbine Stage

PDF

Topics: High pressure (Physics) , Turbines , Rotors , Blades , Nozzle guide vanes , Pressure , Torsion , Computational fluid dynamics , Design , Disks

Robust Optimal Positioning of Strain Gauges on Blades

Marc P. Mignolet, Byeong-Keun Choi

GT 2002; 1065-1075https://doi.org/10.1115/GT2002-30454

Abstract

View Articletitled, Robust Optimal Positioning of Strain Gauges on Blades

PDF

Topics: Blades , Strain gages , Strain measurement

Aerodynamic-Rotordynamic Interaction in Axial Compression Systems: Part I — Modeling and Analysis of Fluid-Induced Forces

Ammar A. Al-Nahwi, James D. Paduano, Samir A. Nayfeh

GT 2002; 1077-1091https://doi.org/10.1115/GT2002-30488

Abstract

View Articletitled, Aerodynamic-Rotordynamic Interaction in Axial Compression Systems: Part I — Modeling and Analysis of Fluid-Induced Forces

PDF

Topics: Compression , Fluids , Modeling , Rotors , Compressors , Flow (Dynamics) , Pressure , Clearances (Engineering) , Blades , Computation

Aerodynamic-Rotordynamic Interaction in Axial Compression Systems: Part II — Impact of Interaction on Overall System Stability

Ammar A. Al-Nahwi, James D. Paduano, Samir A. Nayfeh

GT 2002; 1093-1105https://doi.org/10.1115/GT2002-30489

Abstract

View Articletitled, Aerodynamic-Rotordynamic Interaction in Axial Compression Systems: Part II — Impact of Interaction on Overall System Stability

PDF

Topics: Compression , Stability , Flow (Dynamics) , Rotors , Aerodynamics , Clearances (Engineering) , Compressors , Design , Fluids , Rotordynamics

Fail Safe, High Temperature Magnetic Bearings

Thomas Minihan, Alan Palazzolo, Yeonkyu Kim, Shuliang Lei, Andrew Kenny, Uhn Joo Na, Randy Tucker, Jason Preuss, Andrew Hunt, Bart Carter, Andy Provenza, Gerald Montague, Albert Kascak

GT 2002; 1107-1116https://doi.org/10.1115/GT2002-30595

Abstract

View Articletitled, Fail Safe, High Temperature Magnetic Bearings

PDF

Topics: High temperature , Magnetic bearings , Actuators , Control algorithms , Failure , Stiffness , Design , Simulation results

Rotor Balancing Without Trial Weights

A. El-Shafei, A. S. El-Kabbany, A. A. Younan

GT 2002; 1117-1124https://doi.org/10.1115/GT2002-30633

Abstract

View Articletitled, Rotor Balancing Without Trial Weights

PDF

Topics: Calibration , Rotor balancing , Rotors , Vibration measurement

Experimental Evaluation of Slotted Pocket Gas Damper Seals on a Rotating Test Rig

Jiming Li, Frank Kushner, Pranabesh De Choudhury

GT 2002; 1125-1138https://doi.org/10.1115/GT2002-30634

Abstract

View Articletitled, Experimental Evaluation of Slotted Pocket Gas Damper Seals on a Rotating Test Rig

PDF

Topics: Dampers , Rotors , Damping , Gas flow , Leakage , Pressure , Probes , Rotor vibration , Stability , Stiffness

Seal and Bearing Upgrade for Eliminating Rotor Instability Vibration in a High Pressure Natural Gas Compressor

Jiming Li, Pranabesh De Choudhury, Rogerio Tacques

GT 2002; 1139-1151https://doi.org/10.1115/GT2002-30635

Abstract

View Articletitled, Seal and Bearing Upgrade for Eliminating Rotor Instability Vibration in a High Pressure Natural Gas Compressor

PDF

Topics: Bearings , Compressors , High pressure (Physics) , Natural gas , Rotors , Vibration , Trains , Pressure , Stress , Dampers

Sensitivity of Optimum Design of Rotor System With Magnetic Bearing Via Multilevel Technique

T. N. Shiau, M. D. Wu, J. R. Chang, T. H. Yang

GT 2002; 1153-1174https://doi.org/10.1115/GT2002-30636

Abstract

View Articletitled, Sensitivity of Optimum Design of Rotor System With Magnetic Bearing Via Multilevel Technique

PDF

Topics: Design , Magnetic bearings , Rotors

Modeling Finite Squeeze Film Dampers

A. El-Shafei

GT 2002; 1175-1186https://doi.org/10.1115/GT2002-30637

Abstract

View Articletitled, Modeling Finite Squeeze Film Dampers

PDF

Topics: Dampers , Modeling , Approximation , Bearings , Boundary-value problems , Pressure , Sealing (Process) , Simulation

Experimental Research Into Aerodynamic Forces Leading to Self-Excited Vibrations of Turbine Rotors

Krzysztof Kosowski, Marian Piwowarski

GT 2002; 1187-1195https://doi.org/10.1115/GT2002-30638

Abstract

View Articletitled, Experimental Research Into Aerodynamic Forces Leading to Self-Excited Vibrations of Turbine Rotors

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Topics: Aerodynamics , Fluid-dynamic forces , Rotors , Turbines , Vibration , Pressure , Stators , Trajectories (Physics) , Clearances (Engineering) , Impulse (Physics)

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