Volumes | Turbo Expo: Power for Land, Sea, and Air | American Society of Mechanical Engineers Digital Collection

Topics: Compressors , Computational fluid dynamics , High pressure (Physics) , Rotors , Thermal analysis , Flow (Dynamics) , Temperature distribution , Temperature profiles , Thermal stresses , Turbulence

Evaluation of an Effective Engine Nozzle Map by Reduction of Data Acquired During Transient Operation

M. Lichtsinder, Y. Levy

GT 2004; 55-63doi:https://doi.org/10.1115/GT2004-53118

Abstract

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Topics: Engines , Nozzles , Transients (Dynamics) , Compressors , Aircraft , Jet engines , Mach number , Manufacturing , Turbines

Thermal Stability Fuel Additives for Civil Aviation Applications

J. F. A. Versluis, J. P. van Buijtenen, J. A. Melkert, P. Bogers

GT 2004; 65-71doi:https://doi.org/10.1115/GT2004-53139

Abstract

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Topics: Commercial air transport , Fuels , Thermal stability , Combustion , Combustion chambers , Engines , Aerosols , Air Force , Aircraft propulsion , Aviation

Research on Advanced Technologies for CO₂ Reduction Using High Temperature Demonstrator Engine

Masaharu Shinozaki, Tadashi Natsumura, Kenji Kobayashi, Mikiya Arai, Takurou Nakajima

GT 2004; 73-81doi:https://doi.org/10.1115/GT2004-53140

Abstract

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Topics: Carbon dioxide , Engines , High temperature , Temperature , Turbines , Alloys , Cooling , Heat resistant materials , Air flow , Blades

Centenary of the First Gas Turbine to Give Net Power Output: A Tribute to Ægidius Elling

Lars E. Bakken, Kristin Jordal, Elisabet Syverud, Timot Veer

GT 2004; 83-88doi:https://doi.org/10.1115/GT2004-53211

Abstract

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Topics: Compressors , Cooling , Gas turbines

Optimizing the Architecture of Civil Turbofan Engines to Improve Life Cycle Costs/Value Added

Marc Foerstemann, Stephan Staudacher

GT 2004; 89-96doi:https://doi.org/10.1115/GT2004-53221

Abstract

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Topics: Compressors , Cycles , Engines , High pressure (Physics) , Life cycle costing , Turbofans

Comparison of CFD and PIV Data for the Airflow in an Aero-Engine Bearing Chamber

C. W. Lee, P. C. Palma, K. Simmons, S. J. Pickering

GT 2004; 97-105doi:https://doi.org/10.1115/GT2004-53281

Abstract

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Topics: Air flow , Aircraft engines , Bearings , Computational fluid dynamics , Modeling , Turbulence

Effects of Using Hydrogen on Aero Gas Turbine Pollutant Emissions, Performance and Design

Fredrik Svensson, Riti Singh

GT 2004; 107-116doi:https://doi.org/10.1115/GT2004-53349

Abstract

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Topics: Design , Emissions , Gas turbines , Hydrogen , Pollution , Commercial air transport , Aircraft engines , Climate , Combustion , Combustion systems

Performance Evaluation of Hybrid (Ceramic on Steel) Bearings With Advanced Aircraft Engine Oils for Lubrication

L. Wang, R. J. K. Wood, H. E. G. Powrie, E. Streit, I. Care

GT 2004; 117-126doi:https://doi.org/10.1115/GT2004-53418

Abstract

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Topics: Aircraft engines , Bearing steel , Bearings , Ceramics , Lubrication , Oils , Performance evaluation , Petroleum , Steel , Wear

A Numerical Simulation Capability for Analysis of Aircraft Inlet – Engine Compatibility

Alan Hale, Milt Davis, Jim Sirbaugh

GT 2004; 127-137doi:https://doi.org/10.1115/GT2004-53473

Abstract

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Topics: Aircraft , Computer simulation , Engines , Military systems , Aircraft propulsion , Compressors , Flight , Gas turbines

Effectiveness of a Serpentine Inlet Duct Flow Control Technique at Design and Off-Design Simulated Flight Conditions

Angie Rabe, Wing Ng, Ricardo Burdisso

GT 2004; 139-148doi:https://doi.org/10.1115/GT2004-53475

Abstract

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Topics: Design , Ducts , Flight , Flow control , Stability , Compression , Compressors , Pressure , Engines , Flow (Dynamics)

A Probabilistic Assessment of NASA Ultra-Efficient Engine Technologies for a Large Subsonic Transport

Michael T. Tong, Scott M. Jones, Philip C. Arcara, Jr., William J. Haller

GT 2004; 149-156doi:https://doi.org/10.1115/GT2004-53485

Abstract

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Topics: Carbon dioxide , Engines , Fuels , NASA , Nitrogen oxides

Multi-Objective Robust Optimization of Air Engine Using IOSO Technology

Egorov N. Igor, Kretinin V. Gennady, Leshchenko A. Igor, Kuptzov V. Sergey

GT 2004; 157-163doi:https://doi.org/10.1115/GT2004-53504

Abstract

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Topics: Air engines , Optimization , Aircraft , Engines , Flight , Maintenance , Design , Fuel consumption , Noise (Sound) , Pareto optimization

Aero-Gasturbine Emission Reduction and Simulation Technology: Philosophy and Approach

Savad A. Shakariyants, Jos P. van Buijtenen, Wilfried P. J. Visser

GT 2004; 165-171doi:https://doi.org/10.1115/GT2004-53521

Abstract

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Topics: Emissions , Simulation , Exhaust systems , Aircraft engines , Aerospace industry , Air traffic control , Aircraft , Analytical methods , Collaboration , Engines

Generic Geometry Definition of the Aircraft Engine Combustion Chamber

Savad A. Shakariyants, Jos P. van Buijtenen, Wilfried P. J. Visser

GT 2004; 173-180doi:https://doi.org/10.1115/GT2004-53522

Abstract

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Topics: Aircraft engines , Combustion chambers , Geometry , Engines , Algorithms , Design , Turbofans , Aircraft , Combustion , Emissions

Preparations for Smart Sensor Usage in Aircraft Gas Turbine Testing

Grant Patterson, Mike Bennett, Andy Nelius, William Irby, Owen Boals

GT 2004; 181-189doi:https://doi.org/10.1115/GT2004-53601

Abstract

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Topics: Aircraft , Gas turbines , Sensors , Testing , Instrumentation , Pressure , Cables , Calibration , Engines , Excitation

Factors Affecting the Behaviour and Efficiency of a Targeted Jet Delivering Oil to a Bearing Lubrication System

C. W. Lee, G. R. Johnson, P. C. Palma, K. Simmons, S. J. Pickering

GT 2004; 191-199doi:https://doi.org/10.1115/GT2004-53606

Abstract

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Topics: Bearings , Industrial lubrication systems

A Generic Approach for Gas Turbine Adaptive Modeling

W. P. J. Visser, O. Kogenhop, M. Oostveen

GT 2004; 201-208doi:https://doi.org/10.1115/GT2004-53721

Abstract

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Topics: Gas turbines , Modeling , Engines , Maintenance , Simulation , Computer software , Engineers , Model development , Turbofans

LES of the Flow and Particle Ingestion Into an Air Intake of a Jet Engine Running on the Ground

Dragos Moroianu, Arne Karsllon, Laszlo Fuchs

GT 2004; 209-217doi:https://doi.org/10.1115/GT2004-53762

Abstract

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Topics: Flow (Dynamics) , Jet engines , Particulate matter , Vortices , Dynamics (Mechanics) , Blades , Compressors , Computation , Erosion , Experimental methods

Multi-Fidelity Simulation of a Turbofan Engine With Results Zoomed Into Mini-Maps for a Zero-D Cycle Simulation

Mark G. Turner, John A. Reed, Robert Ryder, Joseph P. Veres

GT 2004; 219-230doi:https://doi.org/10.1115/GT2004-53956

Abstract

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Topics: Cycles , Engines , Simulation , Turbofans , Computational fluid dynamics , Boundary-value problems , Turbines , Compressors , Flow (Dynamics) , High pressure (Physics)

Introduction of Residual Stresses to Enhance Fatigue Performance in the Initial Design

Paul Preve´y, N. Jayaraman, Ravi Ravindranath

GT 2004; 231-239doi:https://doi.org/10.1115/GT2004-53971

Abstract

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Topics: Design , Fatigue , Residual stresses , High cycle fatigue , Damage , Shot peening , Design methodology , Stress , Compression , Compressors

Comparison of Turbine Tip Leakage Flow for Flat Tip and Squealer Tip Geometries at High-Speed Conditions

Nicole L. Key, Tony Arts

GT 2004; 241-249doi:https://doi.org/10.1115/GT2004-53979

Abstract

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Topics: Leakage flows , Turbines , Blades , Flow (Dynamics) , Reynolds number , Cascades (Fluid dynamics) , Compression , Flow visualization , Mach number , Pistons

Adiabatic and Overall Effectiveness for a Film Cooled Blade

Jason E. Albert, David G. Bogard, Frank Cunha

GT 2004; 251-259doi:https://doi.org/10.1115/GT2004-53998

Abstract

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Topics: Blades , Cooling , Airfoils , Film cooling , Heat transfer coefficients , Temperature , Turbines , Electrical conductivity , Heat transfer , Metal surfaces

Ongoing Development and Recent Results of the Research in the Swedish Gas Turbine Centre (GTC)

Sven Gunnar Sundkvist, Michael Andersson, Bogdan Gherman, Andreas Sveningsson, Damian Vogt

GT 2004; 261-268doi:https://doi.org/10.1115/GT2004-54134

Abstract

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Topics: Gas turbines , Cooling , Students , Turbine blades , Acoustics , Aeroelasticity , Combustion , Combustion chambers , Combustion technologies , Computer simulation

Numerical Study of an Inlet Particle Separator

A. Ghenaiet, S. C. Tan

GT 2004; 269-281doi:https://doi.org/10.1115/GT2004-54168

Abstract

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Topics: Particulate matter , Sands , Filters , Flow (Dynamics) , Separation (Technology) , Design , Trajectories (Physics) , Computational fluid dynamics , Computer software , Cooling

Study of Erosion Effects on an Axial Fan Global Range of Operation

A. Ghenaiet, S. C. Tan, R. L. Elder

GT 2004; 283-293doi:https://doi.org/10.1115/GT2004-54169

Abstract

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Topics: Erosion , Particulate matter , Blades , Compressors , Flow (Dynamics) , Sands , Computation , Computational fluid dynamics , Damage , Eddies (Fluid dynamics)

A Numerical Investigation of the Effects of Steam Ingestion on Compression System Performance

Jason Klepper, Alan Hale, Milt Davis, Wayne Hurwitz

GT 2004; 295-303doi:https://doi.org/10.1115/GT2004-54190

Abstract

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Topics: Compression , Steam , Gas turbines , Water , Blades , Compressors , Constants (Physics) , Engineering standards , Fluids , Heat transfer

History, Philosophy, Physics, and Future Directions of Aircraft Propulsion System/Inlet Integration

William T. Cousins

GT 2004; 305-320doi:https://doi.org/10.1115/GT2004-54210

Abstract

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Topics: Aircraft propulsion , Physics , Compression , Engines , Flow (Dynamics) , Modeling , Propulsion systems , Compressors , Defense industry , Pressure

Assessing Fan and Compressor Blade HCF Sensitivity to Non-Uniform Inlet Flows

Robert M. Wallace, Peter S. King, James Kenyon, Walter F. O’Brien

GT 2004; 321-327doi:https://doi.org/10.1115/GT2004-54264

Abstract

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Topics: Blades , Compressors , Flow (Dynamics) , High cycle fatigue , Excitation , Computational fluid dynamics , Pressure , Stress , Aircraft , Cycles

Turbine Blade Surface Deterioration by Erosion

Awatef A. Hamed, Widen Tabakoff, Richard B. Rivir, Kaushik Das, Puneet Arora

GT 2004; 329-337doi:https://doi.org/10.1115/GT2004-54328

Abstract

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Topics: Erosion , Gas turbines , Surface roughness , Turbine blades

Wear Resistant Polymer Matrix Composites for Aerospace Applications

Subhash K. Naik, James K. Sutter, Widen Tabakoff, Robert G. Siefker, Harold S. Haller, Randall J. Cupp, Kazuhisa Miyoshi

GT 2004; 339-346doi:https://doi.org/10.1115/GT2004-54330

Abstract

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Topics: Aerospace industry , Polymer composites , Wear , Engines , Erosion , Coatings , NASA , Composite materials , High temperature , Maintenance

The Development of Innovative Methods for Erosion Testing a Russian Coating on GE T64 Gas Turbine Engine Compressor Blades

Mark Klein, Gray Simpson

GT 2004; 347-352doi:https://doi.org/10.1115/GT2004-54336

Abstract

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Topics: Blades , Coating processes , Coatings , Compressors , Erosion , Gas turbines , Testing , Engines , Chords (Trusses) , Navy

Ceramics

Melt-Infiltrated SiC Composites for Gas Turbine Engine Applications

Gregory N. Morscher, Vijay V. Pujar

GT 2004; 353-359doi:https://doi.org/10.1115/GT2004-53196

Abstract

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Topics: Composite materials , Gas turbines , Ceramic matrix composites , Engines , Fibers , NASA , Oxidation , Reliability , Temperature

Innovative Manufacturing Process of MGC Components for Ultra-High Efficiency Gas Turbine Systems

Yoshiharu Waku, Narihito Nakagawa, Kenji Kobayashi, Yasuhiro Kinoshita, Shinya Yokoi

GT 2004; 361-368doi:https://doi.org/10.1115/GT2004-53266

Abstract

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Topics: Gas turbines , Manufacturing , High temperature , Composite materials , Crystals , Ceramic composites , Creep , Grain boundaries , Nozzles , Oxidation

High Temperature Stability of MGCs Gas Turbine Components in Air and Combustion Gas Flow Environments

Narihito Nakagawa, Hideki Ohtsubo, Kohji Shibata, Atsuyuki Mitani, Kazutoshi Shimizu, Yoshiharu Waku

GT 2004; 369-375doi:https://doi.org/10.1115/GT2004-53573

Abstract

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Topics: Combustion gases , Flow (Dynamics) , Gas turbines , High temperature , Stability , Thermal stability , Combustion chambers , Composite materials , Creep , Crystals

Evaluating the Stability of BSAS-Based EBCs in High Water-Vapor Pressure Environments

Karren L. More, Peter F. Tortorelli, Tania Bhatia, G. D. Linsey

GT 2004; 377-384doi:https://doi.org/10.1115/GT2004-53863

Abstract

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Topics: Pressure , Stability , Water vapor , Ceramic matrix composites , Engines , Water , Combustion chambers , Ceramics , Coatings , Composite materials

Foreign Object Damage Behavior of a SiC/SiC Composite at Ambient and Elevated Temperatures

Sung R. Choi, Ramakrishna T. Bhatt, J. Michael Pereira, John P. Gyekenyesi

GT 2004; 385-392doi:https://doi.org/10.1115/GT2004-53910

Abstract

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Topics: Composite materials , Damage , Silicon carbide ceramics , Temperature

Ceramic Matrix Composite Vane Subelement Testing in a Gas Turbine Environment

Michael Verrilli, Anthony Calomino, R. Craig Robinson, David J. Thomas

GT 2004; 393-399doi:https://doi.org/10.1115/GT2004-53970

Abstract

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Topics: Ceramic matrix composites , Gas turbines , Testing , Finite element analysis , Silicon , Coating processes , Coatings , Composite materials , Fibers , Stress

Ceramic Matrix Composite Vane Subelement Fabrication

Anthony Calomino, M. Verrilli

GT 2004; 401-407doi:https://doi.org/10.1115/GT2004-53974

Abstract

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Topics: Ceramic matrix composites , Manufacturing , Composite materials , Fibers , Silicon , Ceramic composites , Textiles , Aircraft engines , Airfoils , Coating processes

Engine Test and Post Engine Test Characterization of Self-Sealing Ceramic Matrix Composites for Nozzle Applications in Gas Turbine Engines

Eric P. Bouillon, Patrick C. Spriet, Georges Habarou, Caroline Louchet, Thibault Arnold, Greg C. Ojard, David T. Feindel, Charles P. Logan, Kimberly Rogers, Doug P. Stetson

GT 2004; 409-416doi:https://doi.org/10.1115/GT2004-53976

Abstract

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Topics: Ceramic matrix composites , Engines , Gas turbines , Nozzles , Sealing (Process) , Durability , Design , Testing , Carbon fibers , Cooling

Cumulative Damage Mechanics: Characterization, Modeling, and Interpretation of Progressive Failure in Ceramics and Composites

Michael G. Jenkins, Paul E. Labossie`re, Jonathan A. Salem

GT 2004; 417-424doi:https://doi.org/10.1115/GT2004-54013

Abstract

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Topics: Ceramics , Composite materials , Damage mechanics , Failure , Modeling , Ceramic matrix composites , Damage , Absorption , Design , Thermomechanics

Advances in Thermal Barrier and Abradable Ceramic Coatings by Chemically Bonded Composite Sol-Gel Technology

Junlong Fu, Quanzu Yang, Tom Troczynski

GT 2004; 425-429doi:https://doi.org/10.1115/GT2004-54051

Abstract

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Topics: Ceramic coatings , Composite materials , Sol-gel processing , Coatings , Sprays , Heat , Aluminum , Bonding , Ceramics , Fillers (Materials)

Development and Evaluation of Environmental Barrier Coatings for Si-Based Ceramics

Tania Bhatia, Venkat Vedula, Harry Eaton, Ellen Sun, John Holowczak, Gary Linsey

GT 2004; 431-438doi:https://doi.org/10.1115/GT2004-54092

Abstract

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Topics: Ceramics , Coatings , Silicon , Silicon nitride ceramics , Combustion chambers , Composite materials , Engines , Gas turbines , High pressure (Physics) , High temperature

Development of Express Calculation-Experimental Technique to Estimate Life and Reliability of Ceramic Parts and Components

A. V. Soudarev, A. S. Molchanov

GT 2004; 439-444doi:https://doi.org/10.1115/GT2004-54188

Abstract

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Topics: Ceramics , Reliability , Failure , Stress , Fracture (Materials) , Design , Electromagnetic scattering , Gas turbines , Industrial ceramics , Shear stress

In-Situ Monitoring of Damage in SiC/SiC Composites Using Acousto-Ultrasonics

Andrew L. Gyekenyesi, Gregory N. Morscher, Laura M. Cosgriff

GT 2004; 445-451doi:https://doi.org/10.1115/GT2004-54233

Abstract

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Topics: Composite materials , Damage , Ultrasonics , Stress , Transducers , Nondestructive evaluation , Carbon , Ceramic matrix composites , Damping , Fibers

Advanced Materials for Gas Turbine Combustion Systems: Program Summary

Jeffrey Price

GT 2004; 453-459doi:https://doi.org/10.1115/GT2004-54250

Abstract

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Topics: Advanced materials , Combustion systems , Gas turbines , Engines , Turbines , Solar energy , Testing , Alloys , Ceramics , Combustion chambers

Exposure Test Results of Lu₂Si₂O₇ in Combustion Gas Flow at High Temperature and High Speed

Isao Yuri, Tohru Hisamatsu, Shunkichi Ueno, Tatsuki Ohji

GT 2004; 461-466doi:https://doi.org/10.1115/GT2004-54277

Abstract

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Topics: Combustion gases , Flow (Dynamics) , High temperature , Pressure , Temperature , Water vapor , Weight (Mass) , Etching , Gas turbines , Grain boundaries

Controls, Diagnostics, and Instrumentation

The Effect of Terminal Weight on the Prediction Horizon of a Gas Turbine Engine Using Model Predictive Control

Angelo Martucci, James Fuller, Elena Dorobantu, Koroush Rahnamai

GT 2004; 467-477doi:https://doi.org/10.1115/GT2004-53009

Abstract

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Topics: Gas turbines , Predictive control , Weight (Mass) , Computation , Stability , Dynamic response , Robustness , Control systems

Adaptive Myriad Filter for Improved Gas Turbine Condition Monitoring Using Transient Data

Vellore P. Surender, Ranjan Ganguli

GT 2004; 479-489doi:https://doi.org/10.1115/GT2004-53080

Abstract

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Topics: Condition monitoring , Filters , Gas turbines , Transients (Dynamics) , Signals , Engines , Noise (Sound) , Noise control , Pressure , Temperature

Nonlinear Model Predictive Control for Gas Turbine Engines

Junxia Mu, David Rees

GT 2004; 491-498doi:https://doi.org/10.1115/GT2004-53146

Abstract

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Topics: Artificial neural networks , Gas turbines , Predictive control

Soft Computing Application for Gas Path Fault Isolation

Ranjan Ganguli, Rajeev Verma, Niranjan Roy

GT 2004; 499-508doi:https://doi.org/10.1115/GT2004-53209

Abstract

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Topics: Artificial neural networks , Compressors , Design , Engines , Errors , Exhaust systems , Flow (Dynamics) , Fuels , Fuzzy logic , Gas turbines

The Influence of Compressor Aerodynamics on Pressure Probes: Part I — In Rig Calibrations

S. Coldrick, P. C. Ivey, R. G. Wells

GT 2004; 509-514doi:https://doi.org/10.1115/GT2004-53240

Abstract

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Topics: Aerodynamics , Calibration , Compressors , Pressure , Probes , Wind tunnels , Flow (Dynamics) , Reynolds number , Design , Flow measurement

The Influence of Compressor Aerodynamics on Pressure Probes: Part 2 — Numerical Models

S. Coldrick, P. C. Ivey, R. G. Wells

GT 2004; 515-520doi:https://doi.org/10.1115/GT2004-53241

Abstract

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Topics: Aerodynamics , Compressors , Computer simulation , Pressure , Probes , Calibration , Flow (Dynamics) , Blades , Computational fluid dynamics , Engineering simulation

Development of Actual TBC Exposure Temperature Prediction Method

Masahiko Morinaga, Tomoharu Fujii, Takeshi Takahashi

GT 2004; 521-526doi:https://doi.org/10.1115/GT2004-53267

Abstract

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Topics: Temperature , Gas turbines , Combustion , Carbon dioxide lasers , Thermal conductivity , Combustion gases , High temperature , Nondestructive evaluation , Numerical analysis , Operating temperature

Development, Design, and Testing of a Standard Gas Turbine Control

Scott Oceanak, Brian Baker

GT 2004; 527-533doi:https://doi.org/10.1115/GT2004-53317

Abstract

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Topics: Design , Gas turbines , Testing , Computer software , Modeling , Simulation , Algorithms , Compressors , Computer programming , Control systems

A Combustion Control and Diagnostics Sensor for Gas Turbines

Jimmy D. Thornton, Douglas L. Straub, Benjamin T. Chorpening, E. David Huckaby, Geo. A. Richards, Kelly Benson

GT 2004; 535-543doi:https://doi.org/10.1115/GT2004-53392

Abstract

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Topics: Combustion , Gas turbines , Sensors , Combustion chambers , Fuels , Turbines , Emissions , Engines , Flames , Manufacturing

Accelerating the Calibration of Multi-Hole Pressure Probes by Applying Advanced Computational Methods

Arnoud R. C. Franken, Paul C. Ivey

GT 2004; 545-552doi:https://doi.org/10.1115/GT2004-53434

Abstract

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Topics: Calibration , Computational methods , Pressure , Probes , Flow (Dynamics) , Databases , Manufacturing , Modeling , Turbomachinery

Time-Averaged and Time-Resolved Heat Flux Measurements on a Turbine Stator Blade Using Two-Layered Thin-Film Gauges

V. Iliopoulou, R. De´nos, N. Billiard, T. Arts

GT 2004; 553-561doi:https://doi.org/10.1115/GT2004-53437

Abstract

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Topics: Blades , Gages , Heat flux , Stators , Thin films , Turbines

Probabilistic Gas Path Analysis for Gas Turbine Engine and Its Application

V. E. Vodopianov

GT 2004; 563-571doi:https://doi.org/10.1115/GT2004-53498

Abstract

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Topics: Gas turbines , Engines , Algebra , Engine flow , Instrumentation , Maintenance , Probability , Sensors , Steady state , Temperature

Dynamic Modeling and Self-Tuning Control of a Gas Turbine

Mohamed S. Zawia, Mohamed S. B. Al-Khodari

GT 2004; 573-577doi:https://doi.org/10.1115/GT2004-53530

Abstract

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Topics: Dynamic modeling , Gas turbines , Poles (Building) , Simulation

High Resolution Infrared Thermography for Airfoils Boundary Layer Inspection in Passive Mode

Umberto Desideri, Gianluca Rossi, Alessandro Giovannozzi, Paolo Maggiorana

GT 2004; 579-583doi:https://doi.org/10.1115/GT2004-53538

Abstract

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Topics: Airfoils , Boundary layers , Inspection , Resolution (Optics) , Thermography , Fluids , Blades , Dynamics (Mechanics) , Flow (Dynamics) , Fluid dynamics

On-Line Aircraft Engine Diagnostic Using a Soft-Constrained Kalman Filter

P. Dewallef, O. Le´onard, K. Mathioudakis

GT 2004; 585-594doi:https://doi.org/10.1115/GT2004-53539

Abstract

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Topics: Aircraft engines , Algorithms , Engines , Filtration , Kalman filters , Redundancy (Engineering) , Stability , Steady state , Turbofans

Combining Classification Techniques With Kalman Filters for Aircraft Engine Diagnostics

P. Dewallef, C. Romessis, O. Le´onard, K. Mathioudakis

GT 2004; 595-603doi:https://doi.org/10.1115/GT2004-53541

Abstract

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Topics: Aircraft engines , Kalman filters , Algorithms , Turbofans

The Measurement of Turbomachinery Blade Vibration Through Tip Timing With Capacitance Tip Clearance Probes

Craig Lawson, Paul C. Ivey

GT 2004; 605-613doi:https://doi.org/10.1115/GT2004-53563

Abstract

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Topics: Blades , Capacitance , Clearances (Engineering) , Probes , Turbomachinery , Vibration , Compressors , High cycle fatigue , Industrial research , Measurement systems

A Comparative Study of Genetic Algorithms and Gradient Methods for RM12 Turbofan Engine Diagnostics and Performance Estimation

Tomas Gro¨nstedt, Markus Wallin

GT 2004; 615-624doi:https://doi.org/10.1115/GT2004-53591

Abstract

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Topics: Engines , Genetic algorithms , Gradient methods , Turbofans , Optimization , Cycles , Gas turbines , Robustness , Testing , Testing performance

Using Neural Network for Diagnostics of an Industrial Gas Turbine

M. Ghoreyshi, R. Singh

GT 2004; 625-634doi:https://doi.org/10.1115/GT2004-53638

Abstract

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Topics: Artificial neural networks , Industrial gases , Turbines , Maintenance , Downtime , Gas turbines , Algorithms , Engines , Reliability , Temperature

Evaluation of an Enhanced Bank of Kalman Filters for In-Flight Aircraft Engine Sensor Fault Diagnostics

Takahisa Kobayashi, Donald L. Simon

GT 2004; 635-645doi:https://doi.org/10.1115/GT2004-53640

Abstract

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Topics: Aircraft engines , Flight , Kalman filters , Sensors

Turbine Engine Modeling Using Temporal Neural Networks for Incipient Fault Detection and Diagnosis

Sunil Menon, O¨nder Uluyol, Deepanker Gupta

GT 2004; 647-654doi:https://doi.org/10.1115/GT2004-53649

Abstract

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Topics: Artificial neural networks , Echoes , Flaw detection , Gas turbines , Modeling , Transients (Dynamics)

Surge Margin Tracking for Active Control of Quick Windmill Relighting

Sog-Kyun Kim, Ian A. Griffin, Haydn A. Thompson, Peter J. Fleming

GT 2004; 655-662doi:https://doi.org/10.1115/GT2004-53730

Abstract

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Topics: Surges , Compressors , Air flow , Flight , Flow (Dynamics) , High pressure (Physics) , Pressure , Engines , Fuels , Gas turbines

FRAME: A Tool for Predicting Gas Turbine Condition as Well as Reliability, Availability Performance

Timot Veer, Andreas Ulvestad, Olav Bolland

GT 2004; 663-672doi:https://doi.org/10.1115/GT2004-53770

Abstract

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Topics: Gas turbines , Reliability , Computer software , Ocean engineering , Simulation

Model Adaptation and Nonlinear Model Predictive Control of an Aircraft Engine

Brent J. Brunell, Daniel E. Viassolo, Ravi Prasanth

GT 2004; 673-682doi:https://doi.org/10.1115/GT2004-53780

Abstract

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Topics: Aircraft engines , Kalman filters , Predictive control

In-Situ O₂ Sensor Demonstration in a Pressurized Lean Premixed Combustion Rig

Douglas L. Straub, Jimmy D. Thornton, Geo. A. Richards, Doug Simmers, Pavel Shuk, Ramasamy Monoharan

GT 2004; 683-690doi:https://doi.org/10.1115/GT2004-53784

Abstract

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Topics: Combustion , Sensors , Gas turbines , Oxygen , Combustion chambers , Flames , Fuels , Pressure , Atmospheric pressure , Automobiles

Bayesian Network Approach for Gas Path Fault Diagnosis

C. Romessis, K. Mathioudakis

GT 2004; 691-699doi:https://doi.org/10.1115/GT2004-53801

Abstract

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Topics: Fault diagnosis , Engines , Flight , Gas turbines , Jet engines , Probability , Turbofans

Instrumentation Selection and Uncertainty Analysis for Performance Test of Small Centrifugal Compressors

Amro M. Al-Qutub, Fahad A. Al-Sulaiman

GT 2004; 701-711doi:https://doi.org/10.1115/GT2004-53828

Abstract

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Topics: Compressors , Instrumentation , Testing performance , Uncertainty , Uncertainty analysis

Moisture Condensation Effect on Turbine Performance Tests

I. Roumeliotis, K. Mathioudakis

GT 2004; 713-721doi:https://doi.org/10.1115/GT2004-53839

Abstract

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Topics: Condensation , Testing performance , Turbines , Water , Engines , Gas turbines , Testing , Turbomachinery

Assessment of the Effectiveness of Gas Path Diagnostic Schemes

K. Mathioudakis, Ph. Kamboukos

GT 2004; 723-731doi:https://doi.org/10.1115/GT2004-53862

Abstract

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Topics: Approximation , Gas turbines , Information retrieval , Linear systems , Uncertainty

Combustion Oscillation Monitoring Using Flame Ionization in a Turbulent Premixed Combustor

B. T. Chorpening, J. D. Thornton, E. D. Huckaby, K. J. Benson

GT 2004; 733-739doi:https://doi.org/10.1115/GT2004-53881

Abstract

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Topics: Combustion , Combustion chambers , Flames , Ionization , Oscillations , Turbulence , Pressure , Emissions , Gas turbines , Ejectors

Corrected Parameter Control for Two Shaft Gas Turbines

Andrea Casoni, Nuncio Colitto, Joseph Elliott, Stefano Groppi, Alessandro Russo

GT 2004; 741-748doi:https://doi.org/10.1115/GT2004-53888

Abstract

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Topics: Gas turbines , Engines , Turbines , Design , Pressure , Stress , Temperature , Combustion chambers , Control equipment , Emissions

An Integrated Fault Diagnostics Model Using Genetic Algorithm and Neural Networks

Suresh Sampath, Riti Singh

GT 2004; 749-758doi:https://doi.org/10.1115/GT2004-53914

Abstract

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Topics: Artificial neural networks , Genetic algorithms

Redundant Networked Controls for Industrial Turbines

William W. Schulke

GT 2004; 759-763doi:https://doi.org/10.1115/GT2004-53946

Abstract

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Topics: Turbines , Fuels , Control systems , Gas turbines , Electrical wires , Hardware , Redundancy (Engineering) , Valves , Wire , Combustion

Application of a Split-Fiber Probe to Velocity Measurement in the NASA Research Compressor

J. Lepicovsky

GT 2004; 765-775doi:https://doi.org/10.1115/GT2004-53954

Abstract

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Topics: Compressors , Fibers , NASA , Probes , Velocity measurement , Wire , Algorithms , Cylinders , Frequency response , Signals

A Comprehensive Prognostics Approach for Predicting Gas Turbine Engine Bearing Life

Rolf Orsagh, Michael Roemer, Jeremy Sheldon, Christopher J. Klenke

GT 2004; 777-785doi:https://doi.org/10.1115/GT2004-53965

Abstract

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Topics: Bearings , Gas turbines , Engines , Failure , Air Force , Aircraft , Service life (Equipment) , Vibration , Aircraft engines , Cycles

Fuzzy Logic Estimation Applied to Newton Methods for Gas Turbines

Dan Martis

GT 2004; 787-797doi:https://doi.org/10.1115/GT2004-53978

Abstract

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Topics: Engines , Fuzzy logic , Gas turbines , Newton's method

Real Time Flutter Monitoring System for Turbomachinery

Harbans S. Dhadwal, Marc Radzikowski, Dmitri Strukov, Anatole Kurkov

GT 2004; 799-809doi:https://doi.org/10.1115/GT2004-53992

Abstract

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Topics: Flutter (Aerodynamics) , Monitoring systems , Turbomachinery , Blades , Probes , Vibration , Magnetic bearings , Testing , Composite materials , Electromagnetic scattering

An Augmented Multipoint Estimation Technique for Gas Path Analysis Model Generation

Patrik Sko¨lde, Markus Wallin, Tomas Gro¨nstedt

GT 2004; 811-817doi:https://doi.org/10.1115/GT2004-53995

Abstract

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Topics: Design , Engines , Flaw detection , Gas turbines , Nozzles , Pressure , Simulation , Turbines

Condition-Based Maintenance for Aircraft Engines

Ravi Rajamani, Jihua Wang, Ki-Young Jeong

GT 2004; 819-823doi:https://doi.org/10.1115/GT2004-54127

Abstract

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Topics: Aircraft engines , Maintenance , Supply chains , Chain , Simulation

Prognostic Enhancements to Diagnostic Systems (PEDS) Applied to Shipboard Power Generation Systems

Carl S. Byington, Michael J. Roemer, Matthew J. Watson, Thomas R. Galie, Christopher Savage

GT 2004; 825-833doi:https://doi.org/10.1115/GT2004-54135

Abstract

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Topics: Algorithms , Compressors , Energy / power systems , Gas turbines , Life cycle costing , Machinery , Maintenance , Monitoring systems , Navy , Nozzles

Metrics for Evaluating the Accuracy of Diagnostic Fault Detection Systems

Hans DePold, Jason Siegel, Jon Hull

GT 2004; 835-841doi:https://doi.org/10.1115/GT2004-54144

Abstract

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Topics: Flaw detection , Engines , Ambiguity , Data fusion , Decision making , Design , Generators , Inspection , Maintenance , Probability

Identification of Bearing Force Coefficients From Measurements of Imbalance Response of a Flexible Rotor

Luis San Andre´s, Oscar C. De Santiago

GT 2004; 843-850doi:https://doi.org/10.1115/GT2004-54160

Abstract

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Topics: Bearings , Rotors , Fluid films , Disks , Equipment performance , Instrumentation , Modeling , Rotor vibration , Turbomachinery

Application of ANN for Diagnostics of the Geometry Deterioration of the Power System Apparatuses

Jerzy Gluch, Jerzy Krzyzanowski

GT 2004; 851-862doi:https://doi.org/10.1115/GT2004-54193

Abstract

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Topics: Artificial neural networks , Geometry , Power systems (Machinery) , Thermodynamic power cycles

Validation of CESI Blade Life Management System by Case Hstories, On Line Measurements and In Situ NDT

Claudia Rinaldi, Valerio Bicego, Pier Paolo Colombo

GT 2004; 863-871doi:https://doi.org/10.1115/GT2004-54217

Abstract

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Topics: Blades , Computer software , Algorithms , Computers , Damage , Failure analysis , Finite element analysis , Fluid mechanics , Industrial gases , Materials properties