Volumes | Turbo Expo | American Society of Mechanical Engineers Digital Collection

Topics: Bearings , Ejectors , Engines , Pumps , Aircraft engines , Design , System architecture , Aeronautics , Dimensional analysis , Flow (Dynamics)

Developing Statistically Defensible Propulsion System Test and Evaluation Techniques

David Kidman, Craig Stevens, Christopher Moulder, William Kitto, James Brownlow, Todd Remund

GT 2012; 17-23https://doi.org/10.1115/GT2012-68190

Abstract

View Articletitled, Developing Statistically Defensible Propulsion System Test and Evaluation Techniques

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Topics: Air Force , Aircraft propulsion , Design , Experimental design , Flight , Hardware , Instrumentation , Military systems , Propulsion systems , Testing

Numerical Research on Flow Characteristics of Inlet Flow-Path for Ram-Rotor

Weijia Kang, Zhansheng Liu, Zhixuan Cao, Le Wang, Gangwei Wang

GT 2012; 25-36https://doi.org/10.1115/GT2012-68210

Abstract

View Articletitled, Numerical Research on Flow Characteristics of Inlet Flow-Path for Ram-Rotor

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Topics: Flow (Dynamics) , Rotors , Compression , Pressure , Shock waves , Design methodology , Diffusers , Engines , Ramjets , Shock (Mechanics)

The Influence of the Characteristics of a Centrifugal Compressor on System Stability and Distortion Response

William T. Cousins, Milt W. Davis, Jr.

GT 2012; 37-49https://doi.org/10.1115/GT2012-68214

Abstract

View Articletitled, The Influence of the Characteristics of a Centrifugal Compressor on System Stability and Distortion Response

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Topics: Compressors , Stability , Compression , Impellers , Propulsion , Cycles , Physics , Pressure , System dynamics

Techniques for Supersonic Turbojet Noise Reduction

David Munday, Dan Cuppoletti, Michael Perrino, Ephraim Gutmark, Markus O. Burak, Lars-Erik Eriksson

GT 2012; 51-61https://doi.org/10.1115/GT2012-68304

Abstract

View Articletitled, Techniques for Supersonic Turbojet Noise Reduction

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Topics: Design , Engineering simulation , Flow (Dynamics) , Mach number , Military aircraft , Noise (Sound) , Noise control , Nozzles , Simulation , Turbojets

A Robust Radial Traverse Temperature Probe for Application to a Gas Turbine HP/IP Stage

A. J. W. Wilson, P. T. Ireland, R. Stevenson, S. J. Thorpe, D. Martin

GT 2012; 63-71https://doi.org/10.1115/GT2012-68331

Abstract

View Articletitled, A Robust Radial Traverse Temperature Probe for Application to a Gas Turbine HP/IP Stage

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Topics: Gas turbines , Probes , Temperature , Design , Turbines , Cooling , Engines , Heat conduction , Aircraft engines , Computational fluid dynamics

Transient Temperature Measurements in the Contact Zone Between Brush Seals of Kevlar and Metallic Type for Bearing Chamber Sealing Using a Pyrometric Technique

Michael Flouros, Martin Stadlbauer, Francois Cottier, Stephan Proestler, Stefan Beichl

GT 2012; 73-80https://doi.org/10.1115/GT2012-68354

Abstract

View Articletitled, Transient Temperature Measurements in the Contact Zone Between Brush Seals of Kevlar and Metallic Type for Bearing Chamber Sealing Using a Pyrometric Technique

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Topics: Bearings , Sealing (Process) , Temperature measurement , Transients (Dynamics) , Rotors , Aircraft engines , Temperature , Contamination , Aeronautics , Air conditioning

Experimental Study of Blockerless Cascade Thrust Reverser

Jingwei Shi, Zhanxue Wang, Chunyang Liu, Hao Gong

GT 2012; 81-86https://doi.org/10.1115/GT2012-68554

Abstract

View Articletitled, Experimental Study of Blockerless Cascade Thrust Reverser

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Topics: Cascades (Fluid dynamics) , Thrust reversers , Pressure , Thrust , Aircraft engines , Doors , Flow (Dynamics) , Fuel consumption , High pressure (Physics) , Weight (Mass)

Automated Multi-Objective Optimization Process for Preliminary Engine Design

Philipp Kupijai, Dieter Bestle, Peter M. Flassig, Daniel Kickenweitz

GT 2012; 87-96https://doi.org/10.1115/GT2012-68612

Abstract

View Articletitled, Automated Multi-Objective Optimization Process for Preliminary Engine Design

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Topics: Engine design , Pareto optimization , Design , Engines , Optimization , Engineers , Life cycle costing , Modeling

Numerical Investigation of Counter-Rotating Open Rotor Noise Emission in Different Flight Conditions

Eirene Rebecca Busch, Manuel Keßler, Ewald Krämer

GT 2012; 97-106https://doi.org/10.1115/GT2012-68625

Abstract

View Articletitled, Numerical Investigation of Counter-Rotating Open Rotor Noise Emission in Different Flight Conditions

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Topics: Emissions , Flight , Noise (Sound) , Rotors , Acoustics , Blades , Computer simulation , Hull , Resolution (Optics)

Determination of Steady State Gas Turbine Operation

Craig R. Davison

GT 2012; 107-118https://doi.org/10.1115/GT2012-68632

Abstract

View Articletitled, Determination of Steady State Gas Turbine Operation

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Topics: Gas turbines , Steady state , Engines , Combustion , Jet engines , Random noise , Testing , Turbochargers , Turbofans

Theoretical and Computational Analysis of an Auxiliary Power Unit (APU) Installation Cooling System

Parthiv N. Shah, Tricia Waniewski Sur, R. Scott Miskovish, Albert Robinson

GT 2012; 119-132https://doi.org/10.1115/GT2012-68643

Abstract

View Articletitled, Theoretical and Computational Analysis of an Auxiliary Power Unit (APU) Installation Cooling System

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Topics: Cooling systems , Computational fluid dynamics , Flow (Dynamics) , Aircraft , Cooling , Flight , Network models , Air flow , Engineering simulation , Exhaust systems

Surrogate Modeling for Simultaneous Engine Cycle and Technology Optimization for Next Generation Subsonic Aircraft

Brian Kestner, Jeff S. Schutte, Jimmy C. M. Tai, Christopher A. Perullo, Dimitri N. Mavris

GT 2012; 133-145https://doi.org/10.1115/GT2012-68724

Abstract

View Articletitled, Surrogate Modeling for Simultaneous Engine Cycle and Technology Optimization for Next Generation Subsonic Aircraft

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Topics: Aircraft , Cycles , Engines , Modeling , Optimization , Design , Aviation , Bridges (Structures) , Emissions , Experimental design

Study of Gas/Liquid Behaviour Within an Aeroengine Bearing Chamber

Budi Chandra, Kathy Simmons, Stephen Pickering, Steven H. Collicott, Nikolas Wiedemann

GT 2012; 147-160https://doi.org/10.1115/GT2012-68753

Abstract

View Articletitled, Study of Gas/Liquid Behaviour Within an Aeroengine Bearing Chamber

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Topics: Bearings , Film thickness , Geometry , Flow (Dynamics) , Gravity (Force) , Rotation , Air flow , Cooling , Curved walls , Cylinders

Design Feasibility of Annular Target Thrust Reversers

Enaut Gonzalez-Ruiz, Tashfeen Mahmood, Vishal Sethi, Pericles Pilidis

GT 2012; 161-171https://doi.org/10.1115/GT2012-68810

Abstract

View Articletitled, Design Feasibility of Annular Target Thrust Reversers

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Topics: Design , Thrust reversers , Engines , Weight (Mass) , Aircraft , Computational fluid dynamics , Computer software , Thrust , Turbofans , Aeronautics

Influence of Microjet Condition on Characteristics of Supersonic Jet Noise and Flow Field

Ryuichi Okada, Toshinori Watanabe, Seiji Uzawa, Takehiro Himeno, Tsutomu Oishi

GT 2012; 173-183https://doi.org/10.1115/GT2012-68821

Abstract

View Articletitled, Influence of Microjet Condition on Characteristics of Supersonic Jet Noise and Flow Field

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Topics: Flow (Dynamics) , Noise (Sound) , Noise control , Acoustics , Aircraft , Mach number , Nozzles , Schlieren methods , Visualization

Numerical Simulation of Propulsion System Integration for Very High Bypass Ratio Engines

Thierry Sibilli, Mark Savill, Vishal Sethi, David MacManus, Andrew M. Rolt

GT 2012; 185-193https://doi.org/10.1115/GT2012-68908

Abstract

View Articletitled, Numerical Simulation of Propulsion System Integration for Very High Bypass Ratio Engines

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Topics: Computer simulation , Engines , Propulsion systems , Aircraft engines , Aircraft , Computational fluid dynamics , Computer software , Design , Fuels , Risk assessment

Experimental Investigation of the Acoustic Reflection Coefficient of a Modeled Gas Turbine Impingement Cooling Section

Christoph Jörg, Michael Wagner, Thomas Sattelmayer

GT 2012; 195-203https://doi.org/10.1115/GT2012-68916

Abstract

View Articletitled, Experimental Investigation of the Acoustic Reflection Coefficient of a Modeled Gas Turbine Impingement Cooling Section

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Topics: Acoustics , Gas turbines , Impingement cooling , Reflectance , Flow (Dynamics) , Damping , Geometry , Cooling , Engines , Flames

Thrust Reverser for a Mixed Exhaust High Bypass Ratio Turbofan Engine and its Effect on Aircraft and Engine Performance

Tashfeen Mahmood, Anthony Jackson, Syed H. Rizvi, Pericles Pilidis, Mark Savill, Vishal Sethi

GT 2012; 205-215https://doi.org/10.1115/GT2012-68934

Abstract

View Articletitled, Thrust Reverser for a Mixed Exhaust High Bypass Ratio Turbofan Engine and its Effect on Aircraft and Engine Performance

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Topics: Aircraft , Engines , Exhaust systems , Thrust reversers , Turbofans , Turbines , Compressors , Computer software , Design , Doors

Aeroacoustic Computations of Contra-Rotating Open Rotors Using the Nonlinear Harmonic Method and a Chorochronic Approach

P.-A. Hoffer, T. Deconinck, Ch. Hirsch, B. Ortun, S. Canard-Caruana, G. Rahier, S. Pascal, B. Caruelle

GT 2012; 217-227https://doi.org/10.1115/GT2012-68982

Abstract

View Articletitled, Aeroacoustic Computations of Contra-Rotating Open Rotors Using the Nonlinear Harmonic Method and a Chorochronic Approach

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Topics: Computation , Rotors , Acoustics , Noise (Sound) , Flow (Dynamics) , Propulsion systems , Propellers , Aerodynamic flow , Blades , Computational fluid dynamics

Specifying and Benchmarking a Thin Film Model for Oil Systems Applications in ANSYS Fluent

C. Wang, H. P. Morvan, S. Hibberd, K. A. Cliffe, A. Anderson, A. Jacobs

GT 2012; 229-234https://doi.org/10.1115/GT2012-68984

Abstract

View Articletitled, Specifying and Benchmarking a Thin Film Model for Oil Systems Applications in ANSYS Fluent

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Topics: Thin films , Aircraft engines , Bearings , Computational fluid dynamics , Computer software , Film flow , Flow (Dynamics)

Performance and Techno-Economic Investigation of On-Wing Compressor Wash for a Short-Range Aero Engine

Daniel Giesecke, Uyioghosa Igie, Pericles Pilidis, Kenneth Ramsden, Paul Lambart

GT 2012; 235-244https://doi.org/10.1115/GT2012-68995

Abstract

View Articletitled, Performance and Techno-Economic Investigation of On-Wing Compressor Wash for a Short-Range Aero Engine

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Topics: Aircraft engines , Compressors , Wings , Engines , Aircraft , Emissions , Fuels , Thrust , Cost benefit analysis , Exhaust systems

Aircraft Propulsion System Flight Test: Analysis and Evaluation Challenges and Solutions

Brian A. Binkley, Donald J. Malloy, Grant T. Patterson, Eric R. Hansen, David S. Kidman

GT 2012; 245-258https://doi.org/10.1115/GT2012-69091

Abstract

View Articletitled, Aircraft Propulsion System Flight Test: Analysis and Evaluation Challenges and Solutions

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Topics: Aircraft propulsion , Flight , Engines , Aircraft , Compressors , Computational fluid dynamics , Cycles , Instrumentation , Military systems , Propulsion systems

Effects of Advanced Engine Technology on Open Rotor Cycle Selection and Performance

Christopher A. Perullo, Jimmy C. M. Tai, Dimitri N. Mavris

GT 2012; 259-269https://doi.org/10.1115/GT2012-69331

Abstract

View Articletitled, Effects of Advanced Engine Technology on Open Rotor Cycle Selection and Performance

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Topics: Cycles , Engines , Rotors , Fuels , Noise (Sound) , Design , Emissions , Acoustics , Aircraft , Architecture

Cycle Design Exploration Using Multi-Design Point Approach

Jeffrey Schutte, Jimmy Tai, Jonathan Sands, Dimitri Mavris

GT 2012; 271-281https://doi.org/10.1115/GT2012-69334

Abstract

View Articletitled, Cycle Design Exploration Using Multi-Design Point Approach

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Topics: Cycles , Design , Engines , Gas turbines

Experimental Measurements and Numerical Simulations in Isothermal Turbulent Flows

Florin G. Florean, Jeni A. Popescu, Ionut Porumbel, Cristian Carlanescu, Gheorghe Dumitrascu

GT 2012; 283-292https://doi.org/10.1115/GT2012-69377

Abstract

View Articletitled, Experimental Measurements and Numerical Simulations in Isothermal Turbulent Flows

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Topics: Computer simulation , Turbulence , Combustion , Particulate matter , Flow (Dynamics) , Gas turbines , Generators , Exhaust systems , Flames , Instrumentation

Assessing Alternative Fuels for Helicopter Operation

A. Alexiou, A. Tsalavoutas, B. Pons, N. Aretakis, I. Roumeliotis, K. Mathioudakis

GT 2012; 293-300https://doi.org/10.1115/GT2012-69417

Abstract

View Articletitled, Assessing Alternative Fuels for Helicopter Operation

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Topics: Fuels

Hot-Jet Noise Test of a Revised Notched Nozzle

Tatsuya Ishii, Nozomi Tanaka, Hideshi Oinuma, Tsutomu Oishi

GT 2012; 301-311https://doi.org/10.1115/GT2012-69507

Abstract

View Articletitled, Hot-Jet Noise Test of a Revised Notched Nozzle

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Topics: Noise (Sound) , Nozzles , Engines , Flow (Dynamics) , Temperature , Noise control , Thrust , Acoustics , Aircraft engines , Experimental methods

Scavenge Flow in a Bearing Chamber With Tangential Sump Off-Take

Budi Chandra, Steven H. Collicott, John H. Munson

GT 2012; 313-322https://doi.org/10.1115/GT2012-69513

Abstract

View Articletitled, Scavenge Flow in a Bearing Chamber With Tangential Sump Off-Take

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Topics: Bearings , Flow (Dynamics) , Design , Aircraft engines , Air flow , Outflow , Pumps , Transparency

Design of an Economical Counter Rotating Fan: Comparison of the Calculated and Measured Steady and Unsteady Results

Timea Lengyel-Kampmann, Andreas Bischoff, Robert Meyer, Eberhard Nicke

GT 2012; 323-336https://doi.org/10.1115/GT2012-69587

Abstract

View Articletitled, Design of an Economical Counter Rotating Fan: Comparison of the Calculated and Measured Steady and Unsteady Results

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Topics: Design , Acoustics , Computational fluid dynamics , Optimization , Pressure , Resolution (Optics) , Wire , Aerospace industry , Cycles , Design methodology

Crackle Noise in Heated Supersonic Jets

Joseph W. Nichols, Sanjiva K. Lele, Frank E. Ham, Steve Martens, John T. Spyropoulos

GT 2012; 337-345https://doi.org/10.1115/GT2012-69624

Abstract

View Articletitled, Crackle Noise in Heated Supersonic Jets

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Topics: Jets , Noise (Sound) , Pressure , Impulse (Physics) , Nozzles , Shock (Mechanics) , Temperature , Cascades (Fluid dynamics) , Compression , Eddies (Fluid dynamics)

Airframe Installation Effects on the Jet Exhausting a Coaxial Nozzle System of a Gas Turbine Engine

Mihai Mihaescu, Bernhard Semlitsch, Laszlo Fuchs, Ephraim J. Gutmark

GT 2012; 347-355https://doi.org/10.1115/GT2012-69631

Abstract

View Articletitled, Airframe Installation Effects on the Jet Exhausting a Coaxial Nozzle System of a Gas Turbine Engine

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Topics: Gas turbines , Nozzles , Flow (Dynamics) , Flight , Turbulence , Wings , Jet engines , Aerodynamic noise , Aircraft , Engineering simulation

Jet-Surface Interaction Test: Far-Field Noise Results

Clifford Brown

GT 2012; 357-369https://doi.org/10.1115/GT2012-69639

Abstract

View Articletitled, Jet-Surface Interaction Test: Far-Field Noise Results

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Topics: Noise (Sound) , Aircraft , Flow (Dynamics) , Jets , Engines , Flat plates , Microphone arrays , Nozzles , Plumes (Fluid dynamics) , Vehicles

Component Map Tuning Procedure Using Adaptive Modeling

Michel L. Verbist, Wilfried P. J. Visser, Rene Pecnik, Jos P. van Buijtenen

GT 2012; 371-379https://doi.org/10.1115/GT2012-69688

Abstract

View Articletitled, Component Map Tuning Procedure Using Adaptive Modeling

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Topics: Modeling , Engines , Wings , Electromagnetic scattering , Errors , Gas turbines , Aircraft engines , Compressors , Cycles , Flow (Dynamics)

Jet-Surface Interaction Test: Phased Array Noise Source Localization Results

Gary G. Podboy

GT 2012; 381-414https://doi.org/10.1115/GT2012-69801

Abstract

View Articletitled, Jet-Surface Interaction Test: Phased Array Noise Source Localization Results

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Topics: Noise (Sound) , Shock (Mechanics) , Jets , Microphones , Mach number , Noise control , Reflection , Sound waves

Towards the Development of a Multi-Disciplinary Flight Trajectory Optimization Tool: GATAC

Weiqun Gu, Rukshan Navaratne, Daniele Quaglia, Yang Yu, Irfan Madani, Vishal Sethi, Huamin Jia, Kenneth Chircop, Roberto Sabatini, David Zammit-Mangion

GT 2012; 415-424https://doi.org/10.1115/GT2012-69862

Abstract

View Articletitled, Towards the Development of a Multi-Disciplinary Flight Trajectory Optimization Tool: GATAC

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Topics: Flight , Optimization , Trajectories (Physics) , Aeronautics , Carbon dioxide , Commercial air transport , Design , Emissions , Nitrogen oxides , Noise (Sound)

Evaluation of the Impact of Alternative Fuel Use on the Emissions and Performance of a Service-Exposed T56 Engine

Jennifer L. Y. Chalmers, Craig R. Davison, Wajid Ali Chishty, Jeff W. Bird, Tak Chan, Peter Barton, Rod Dagenais, Vinh Pham, Pierre Poitras

GT 2012; 425-435https://doi.org/10.1115/GT2012-69978

Abstract

View Articletitled, Evaluation of the Impact of Alternative Fuel Use on the Emissions and Performance of a Service-Exposed T56 Engine

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Topics: Emissions , Engines , Fuels , Durability , Vibration , Combustion , Data acquisition , Ester , Flight , Inspection

Effects of Scalloping on the Mixing Mechanisms of Forced Mixers With Highly Swirling Core Flow

Alex Wright, Zhijun Lei, Ali Mahallati, Mark Cunningham, Julio Militzer

GT 2012; 437-448https://doi.org/10.1115/GT2012-70081

Abstract

View Articletitled, Effects of Scalloping on the Mixing Mechanisms of Forced Mixers With Highly Swirling Core Flow

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Topics: Flow (Dynamics) , Swirling flow , Pressure , Thrust , Vortices , Bubbles , Engineering simulation , Reynolds-averaged Navier–Stokes equations , Separation (Technology) , Simulation

Large Eddy Simulations of Supersonic Impinging Jets

James P. Erwin, Neeraj Sinha, Gregory P. Rodebaugh

GT 2012; 449-458https://doi.org/10.1115/GT2012-70140

Abstract

View Articletitled, Large Eddy Simulations of Supersonic Impinging Jets

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Topics: Jets , Large eddy simulation , Noise (Sound) , Acoustics , Feedback , Flow (Dynamics) , Nozzles , Aerodynamic noise , Aircraft , Military aircraft

Modeling of a Turbofan Engine Start Using a High Fidelity Aero-Thermodynamic Simulation

Igor Fuksman, Steven Sirica

GT 2012; 459-466https://doi.org/10.1115/GT2012-70141

Abstract

View Articletitled, Modeling of a Turbofan Engine Start Using a High Fidelity Aero-Thermodynamic Simulation

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Topics: Engines , Modeling , Simulation , Turbofans , Flow (Dynamics) , Fuels , Energy conservation , High pressure (Physics) , Thermodynamics , Transients (Dynamics)

Ceramics

Tension–Compression Fatigue of a SiC/SiC Ceramic Matrix Composite at Elevated Temperature

M. B. Ruggles-Wrenn, T. P. Jones

GT 2012; 467-473https://doi.org/10.1115/GT2012-68902

Abstract

View Articletitled, Tension–Compression Fatigue of a SiC/SiC Ceramic Matrix Composite at Elevated Temperature

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Topics: Composite materials , Compression , Fatigue , Silicon carbide ceramics , Temperature , Tension

Durability of Oxide/Oxide CMCs in Gas Turbine Combustors

Mark van Roode, Arun K. Bhattacharya

GT 2012; 475-485https://doi.org/10.1115/GT2012-68974

Abstract

View Articletitled, Durability of Oxide/Oxide CMCs in Gas Turbine Combustors

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Topics: Ceramic matrix composites , Combustion chambers , Durability , Gas turbines , Creep , Fibers , Metals , Water vapor , Aluminum , Coating processes

Use of Electrical Resistivity and Acoustic Emission to Assess Impact Damage States in Two SiC-Based CMCs

Gregory N. Morscher, Christopher Baker, Sivakumar Ramasamy, Sung Choi, Calvin Faucett

GT 2012; 487-492https://doi.org/10.1115/GT2012-69167

Abstract

View Articletitled, Use of Electrical Resistivity and Acoustic Emission to Assess Impact Damage States in Two SiC-Based CMCs

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Topics: Acoustic emissions , Ceramic matrix composites , Damage , Electrical resistivity , Composite materials , Tensile testing , Crack propagation , Fibers , Impact testing , Inspection

Combined Effects of CMAS and FOD in Ceramic Matrix Composites

Sung R. Choi, D. Calvin Faucett

GT 2012; 493-500https://doi.org/10.1115/GT2012-70049

Abstract

View Articletitled, Combined Effects of CMAS and FOD in Ceramic Matrix Composites

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Topics: Ceramic matrix composites , Damage , Magnesium (Metal) , Sodium

Coal, Biomass and Alternative Fuels

Fuelling Micro Gas Turbines With Vegetable Oils: Part I — Straight and Blended Vegetable Oil Properties

A. Cavarzere, M. Morini, M. Pinelli, P. R. Spina, A. Vaccari, M. Venturini

GT 2012; 501-508https://doi.org/10.1115/GT2012-68238

Abstract

View Articletitled, Fuelling Micro Gas Turbines With Vegetable Oils: Part I — Straight and Blended Vegetable Oil Properties

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Topics: Micro gas turbines , Vegetable oils , Diesel , Viscosity , Experimental characterization , Biofuel , Biomass , Boiling , Combustion chambers , Density

Fuelling Micro Gas Turbines With Vegetable Oils: Part II — Experimental Analysis

A. Cavarzere, M. Morini, M. Pinelli, P. R. Spina, A. Vaccari, M. Venturini

GT 2012; 509-518https://doi.org/10.1115/GT2012-68239

Abstract

View Articletitled, Fuelling Micro Gas Turbines With Vegetable Oils: Part II — Experimental Analysis

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Topics: Experimental analysis , Micro gas turbines , Vegetable oils , Diesel , Emissions , Gas turbines , Biofuel , Electric power generation , Energy generation , Fuels

Research on Flow Characteristics of Pulverized Coal in a High Pressure Blow Tank

Wenhao Pu, Peng Lu, Chen Yue, Dong Han

GT 2012; 519-528https://doi.org/10.1115/GT2012-68274

Abstract

View Articletitled, Research on Flow Characteristics of Pulverized Coal in a High Pressure Blow Tank

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Topics: Coal , Flow (Dynamics) , High pressure (Physics) , Stress

Physics and Chemistry of Ash in Gas Turbines: The HVOF Technique as a Powerful Simulation Tool

C. Verdy, C. Coddet, G. Montavon, M. Molière, M. Vierling, D. Sokolov

GT 2012; 529-534https://doi.org/10.1115/GT2012-68275

Abstract

View Articletitled, Physics and Chemistry of Ash in Gas Turbines: The HVOF Technique as a Powerful Simulation Tool

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Topics: Chemistry , Gas turbines , Physics , Simulation , Particulate matter , Flames , Anticorrosion coatings , Combustion chambers , Cooling , Fluid dynamics

A Critical Evaluation of Turbulence Modeling in a Model Combustor

Leiyong Jiang

GT 2012; 535-545https://doi.org/10.1115/GT2012-68414

Abstract

View Articletitled, A Critical Evaluation of Turbulence Modeling in a Model Combustor

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Topics: Combustion chambers , Modeling , Turbulence , Carbon dioxide , Combustion , Databases , Diffusion flames , Eddies (Fluid dynamics) , Flow (Dynamics) , Heat transfer

Ethanol and Distillate Blends: A Thermodynamic Approach to Miscibility Issues: Part 3 — Generalization to Other Alcohols (Methanol, Isopropanol and 1-Butanol)

Romain Privat, Jean-Noël Jaubert, Michel Molière

GT 2012; 547-556https://doi.org/10.1115/GT2012-68561

Abstract

View Articletitled, Ethanol and Distillate Blends: A Thermodynamic Approach to Miscibility Issues: Part 3 — Generalization to Other Alcohols (Methanol, Isopropanol and 1-Butanol)

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Topics: Ethanol , Methanol , Water , Teams , Temperature , Biofuel , Biomass , Coal

Co-Firing of Kerosene and Biodiesel With Natural Gas in a Low NOx Radial Swirl Combustor

Mohamed A. Altaher, Hu Li, Gordon E. Andrews

GT 2012; 557-567https://doi.org/10.1115/GT2012-68597

Abstract

View Articletitled, Co-Firing of Kerosene and Biodiesel With Natural Gas in a Low NOx Radial Swirl Combustor

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Topics: Biodiesel , Co-firing , Combustion chambers , Natural gas , Nitrogen oxides , Combustion , Fuels , Emissions , Fuel injectors , Acoustics

Evaluation of Combustion Performance of a Coal-Derived Synthetic Jet Fuel

Yang Lin, Yuzhen Lin, Chi Zhang, Quanhong Xu, Chih-Jen Sung, Guozhu Liu

GT 2012; 569-576https://doi.org/10.1115/GT2012-68604

Abstract

View Articletitled, Evaluation of Combustion Performance of a Coal-Derived Synthetic Jet Fuel

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Topics: Coal , Combustion , Jet fuels , Aircraft , Aviation , Combustion chambers , Fuels , Testing , Turbines , Density

Study on the Flow Characteristics of High-Pressure and Dense-Phase Pneumatic Conveying of Different Pulverized Coal in IGCC Field

Peng Lu, Dong Han, Wenhao Pu, Chen Yue

GT 2012; 577-582https://doi.org/10.1115/GT2012-68665

Abstract

View Articletitled, Study on the Flow Characteristics of High-Pressure and Dense-Phase Pneumatic Conveying of Different Pulverized Coal in IGCC Field

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Topics: Coal , Flow (Dynamics) , High pressure (Physics) , Integrated gasification combined cycle power stations

Influence of Coal Rank on the Process of Plasma Aided Gasification

V. E. Messerle, A. B. Ustimenko, N. A. Slavinskaya, U. Riedel

GT 2012; 583-592https://doi.org/10.1115/GT2012-68701

Abstract

View Articletitled, Influence of Coal Rank on the Process of Plasma Aided Gasification

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Topics: Coal , Fuel gasification , Plasmas (Ionized gases) , Flow (Dynamics) , Chemically reactive flow , Coke , Computation , Computers , Dust , Electric arcs

Impact of Fuel Flexibility Needs on a Selected GT Performance in IGCC Application

Mohammad Mansouri Majoumerd, Peter Breuhaus, Jure Smrekar, Mohsen Assadi, Carmine Basilicata, Stefano Mazzoni, Leila Chennaoui, Giovanni Cerri

GT 2012; 593-601https://doi.org/10.1115/GT2012-68862

Abstract

View Articletitled, Impact of Fuel Flexibility Needs on a Selected GT Performance in IGCC Application

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Topics: Fuels , Integrated gasification combined cycle power stations , Engines , Syngas , Compressors , Surges , Turbines , Gas turbines , Hydrogen , Temperature

Energy and Cost Analysis of Small Size CHP Coal Gasification Plants Integrated With Syngas Storage Systems

Giorgio Cau, Daniele Cocco, Fabio Serra

GT 2012; 603-613https://doi.org/10.1115/GT2012-68976

Abstract

View Articletitled, Energy and Cost Analysis of Small Size CHP Coal Gasification Plants Integrated With Syngas Storage Systems

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Topics: Coal , Combined heat and power , Fuel gasification , Storage , Stress , Syngas

Efficient Operation of a Gas Turbine on Methanol Using Chemical Recuperation

Christophe Duwig, Björn Nyberg, Marcus Thern

GT 2012; 615-623https://doi.org/10.1115/GT2012-69032

Abstract

View Articletitled, Efficient Operation of a Gas Turbine on Methanol Using Chemical Recuperation

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Topics: Gas turbines , Methanol , Fuels , Combustion , Combustion systems , Cycles , Methane , Water , Carbon capture and storage , Carbon dioxide

Alternative Fuels Based on Biomass: An Investigation of Combustion Properties of Product Gases

Jürgen Herzler, Julia Herbst, Thomas Kick, Clemens Naumann, Marina Braun-Unkhoff, Uwe Riedel

GT 2012; 625-634https://doi.org/10.1115/GT2012-69282

Abstract

View Articletitled, Alternative Fuels Based on Biomass: An Investigation of Combustion Properties of Product Gases

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Topics: Biomass , Combustion , Fuel gasification , Fuels , Gases , Natural gas

Comparative Evaluation of CO₂-O₂ and Air (N₂-O₂) Gasification of Agricultural Biomass Fuels

W. Chen, S. S. Thanapal, K. Annamalai, R. J. Ansley

GT 2012; 635-646https://doi.org/10.1115/GT2012-69324

Abstract

View Articletitled, Comparative Evaluation of CO2-O2 and Air (N2-O2) Gasification of Agricultural Biomass Fuels

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Topics: Biomass , Carbon dioxide , Fuel gasification , Fuels , Carbon , Temperature , Bioenergy conversion , Chemical kinetics , Heating , Pyrolysis

Establishing Operating Limits in a Commercial Lean Premixed Combustor Operating on Synthesis Gas Pertaining to Flashback and Blowout

David Page, Brendan Shaffer, Vincent McDonell

GT 2012; 647-656https://doi.org/10.1115/GT2012-69355

Abstract

View Articletitled, Establishing Operating Limits in a Commercial Lean Premixed Combustor Operating on Synthesis Gas Pertaining to Flashback and Blowout

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Topics: Combustion chambers , Syngas , Hydrogen , Gas turbines , Natural gas , Stability , Temperature , Carbon , Flames , Fuels

CFD Modeling of Pulverized Coal Combustion in an Industrial Burner

Marco Torresi, Bernardo Fortunato, Sergio Mario Camporeale, Alessandro Saponaro

GT 2012; 657-666https://doi.org/10.1115/GT2012-69506

Abstract

View Articletitled, CFD Modeling of Pulverized Coal Combustion in an Industrial Burner

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Topics: Coal , Combustion , Computational fluid dynamics , Modeling

A Parametric Investigation of Integrated Gasification Combined Cycles With Carbon Capture

Xuewei Li, Ting Wang

GT 2012; 667-680https://doi.org/10.1115/GT2012-69519

Abstract

View Articletitled, A Parametric Investigation of Integrated Gasification Combined Cycles With Carbon Capture

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Topics: Carbon capture and storage , Integrated gasification combined cycle power stations , Cycles , Emissions , Heating , Slurries , Syngas , Water , Carbon , Carbon dioxide

Developing Effervescent Atomisation for Alternative Fuels

Dancho D. Konstantinov, Philip J. Bowen, Richard Marsh, Peter J. Kay, Andrew P. Crayford, Marco Derksen

GT 2012; 681-691https://doi.org/10.1115/GT2012-69777

Abstract

View Articletitled, Developing Effervescent Atomisation for Alternative Fuels

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Topics: Fuels , Sprays , Combustion , Fluids , Biofuel , Combustion systems , Density , Drops , Engineers , Fossil fuels

Experimental and CFD Evaluation of the Part Load Performance of a Micro Gas Turbine Fuelled With CH₄-N₂ Mixtures

Bruno D’Alessandro, Paolo Laranci, Fabio Testarmata, Francesco Fantozzi

GT 2012; 693-700https://doi.org/10.1115/GT2012-69790

Abstract

View Articletitled, Experimental and CFD Evaluation of the Part Load Performance of a Micro Gas Turbine Fuelled With CH4-N2 Mixtures

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Topics: Computational fluid dynamics , Methane , Micro gas turbines , Pyrolysis , Stress , Nitrogen , Syngas , Combustion , Biomass , Combined heat and power

Sugar Cane Bagasse Gasification Using Air-Steam for Partial Oxidation and N₂ as Carrier Gas

Catalina Rodriguéz, Gerardo Gordillo

GT 2012; 701-709https://doi.org/10.1115/GT2012-69912

Abstract

View Articletitled, Sugar Cane Bagasse Gasification Using Air-Steam for Partial Oxidation and N2 as Carrier Gas

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Topics: Bagasse , Fuel gasification , Oxidation , Steam , Biomass , Fuels , Carbon dioxide , Equilibrium (Physics) , Feedstock , Fossil fuels

Influence of the Air Preheat Temperature and the Fuel Preheat Temperature in the Adiabatic Flame Temperature for Gaseous Fuels of Low Heating Value

A. Tourlidakis, A. Malkogianni

GT 2012; 711-719https://doi.org/10.1115/GT2012-69977

Abstract

View Articletitled, Influence of the Air Preheat Temperature and the Fuel Preheat Temperature in the Adiabatic Flame Temperature for Gaseous Fuels of Low Heating Value

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Topics: Flames , Fuels , Gaseous fuels , Heating , Temperature , Combustion systems , Simulation , Carbon , Combustion chambers , Nitrogen oxides

Controls, Diagnostics and Instrumentation

Measuring Failures and Correction Methods for Pneumatic Multi-Hole Probes

Herwart T. Hoenen, Robert Kunte, Phillip Waniczek, Peter Jeschke

GT 2012; 721-729https://doi.org/10.1115/GT2012-68113

Abstract

View Articletitled, Measuring Failures and Correction Methods for Pneumatic Multi-Hole Probes

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Topics: Failure , Probes , Airfoils , Flow (Dynamics) , Compressors , Errors , Machinery , Turbochargers , Wakes

Electro-Thermal Measurement of Heat Transfer Coefficients

Wieland Uffrecht, André Günther, Volker Caspary

GT 2012; 731-740https://doi.org/10.1115/GT2012-68144

Abstract

View Articletitled, Electro-Thermal Measurement of Heat Transfer Coefficients

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Topics: Heat transfer coefficients , Flow (Dynamics) , Sensors , Gas flow , Heat flux , Machinery , Temperature , Turbomachinery , Buoyancy , Calibration

Improvements to Common Data Reduction and Calibration Methods for Seven Hole Probes

James Crawford, A. M. Birk

GT 2012; 741-747https://doi.org/10.1115/GT2012-68170

Abstract

View Articletitled, Improvements to Common Data Reduction and Calibration Methods for Seven Hole Probes

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Topics: Calibration , Probes , Polynomials , Errors , Flow (Dynamics) , Pressure

Optimizing Gas Turbine Bearing Vibration Using 2D D’Alembert’s Equation

Ezenwa A. Ogbonnaya, Hyginus U. Ugwu, Kombo Theophilus-Johnson, Peter B. Forsman, Charles U. Orji

GT 2012; 749-757https://doi.org/10.1115/GT2012-68213

Abstract

View Articletitled, Optimizing Gas Turbine Bearing Vibration Using 2D D’Alembert’s Equation

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Topics: Bearings , Failure , Gas turbines , Modeling , Optimization , Rotors , Simulation , Vibration

Optical Structures for High Speed Gas Temperature Measurement

A. P. R. Harpin, C. Langton

GT 2012; 759-766https://doi.org/10.1115/GT2012-68322

Abstract

View Articletitled, Optical Structures for High Speed Gas Temperature Measurement

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Topics: Convection , Design , Diaphragms (Mechanical devices) , Diaphragms (Structural) , Electromagnetic interference , Engines , Exhaust systems , Fibers , Gas flow , Gas turbines

Fuel System Design for the More Electric Engine

Noriko Morioka, Hitoshi Oyori

GT 2012; 767-774https://doi.org/10.1115/GT2012-68374

Abstract

View Articletitled, Fuel System Design for the More Electric Engine

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Topics: Design , Engines , Fuel systems , Pumps , Flow (Dynamics) , Fuel pumps , Gear pumps , Fuels , Feedback , Aircraft engines

An Improved Nickel Based MIMS Thermocouple for High Temperature Gas Turbine Applications

Michele Scervini, Catherine Rae

GT 2012; 775-783https://doi.org/10.1115/GT2012-68464

Abstract

View Articletitled, An Improved Nickel Based MIMS Thermocouple for High Temperature Gas Turbine Applications

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Topics: Gas turbines , High temperature , Nickel , Thermocouples , Engineering prototypes , Sensors , Temperature , Materials science , Metallurgical analysis , Metallurgy

Comparing Lensed and Un-Lensed Optical Spot Probes for Blade Tip Timing Measurements

Bruce D. Hockaday

GT 2012; 785-793https://doi.org/10.1115/GT2012-68499

Abstract

View Articletitled, Comparing Lensed and Un-Lensed Optical Spot Probes for Blade Tip Timing Measurements

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Topics: Blades , Probes , Errors , Stress , Airfoils , Deflection , Fibers , Lenses (Optics) , Signals , Geometry

Application of an Optical Pyrometer to Newly Developed Industrial Gas Turbine

Tomoki Taniguchi, Ryozo Tanaka, Yuji Shinoda, Masanori Ryu, Norbert Moritz, Karsten Kusterer

GT 2012; 795-802https://doi.org/10.1115/GT2012-68679

Abstract

View Articletitled, Application of an Optical Pyrometer to Newly Developed Industrial Gas Turbine

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Topics: Industrial gases , Pyrometers , Turbines , Blades , Temperature , Cooling , Engines , High pressure (Physics) , Pressure , Sensors

Industrial Gas Turbine Diagnostics Using Fuzzy Logic

Rafael Barbosa, Sandro Ferreira

GT 2012; 803-808https://doi.org/10.1115/GT2012-68767

Abstract

View Articletitled, Industrial Gas Turbine Diagnostics Using Fuzzy Logic

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Topics: Fuzzy logic , Industrial gases , Turbines , Gas turbines , Compressors , Computer software , Computers , Damage , Fault diagnosis , Geometry

Model of a Combined Cycle Steam Section for Use in an On-Line Fuzzy-Based Diagnosis System

Rafael Barbosa, Sandro Ferreira, Raphael Duarte, Paula Ribeiro Pinto, Marília Paula e Silva

GT 2012; 809-816https://doi.org/10.1115/GT2012-68768

Abstract

View Articletitled, Model of a Combined Cycle Steam Section for Use in an On-Line Fuzzy-Based Diagnosis System

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Topics: Combined cycle power stations , Combined cycles , Computers , Condensers (steam plant) , Constitutive equations , Cycles , Failure , Feedwater , Fluids , FORTRAN

Application of Endoscopic OH*-Chemiluminescence Measurements at a Full-Scale High-Pressure Gas Turbine Combustion Test Rig

Benjamin Witzel, Johannes Heinze, Boris F. Kock, Guido Stockhausen, Holger Streb, Jaap van Kampen, Christof Schulz, Chris Willert, Christian Fleing

GT 2012; 817-825https://doi.org/10.1115/GT2012-68965

Abstract

View Articletitled, Application of Endoscopic OH*-Chemiluminescence Measurements at a Full-Scale High-Pressure Gas Turbine Combustion Test Rig

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Topics: Chemiluminescence , Combustion , Endoscopes , Endoscopic devices , Gas turbines , High pressure (Physics)

An Acoustic-Based Stall-Warning System for Application in Induced-Draft Boiler Fans

Stefano Bianchi, Alessandro Corsini, Anthony G. Sheard

GT 2012; 827-838https://doi.org/10.1115/GT2012-69050

Abstract

View Articletitled, An Acoustic-Based Stall-Warning System for Application in Induced-Draft Boiler Fans

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Topics: Acoustics , Boilers , Fans , Blades , Pressure , Axial flow , Coal , Failure , Microphones , Power stations

Unified Diagnostic Filtering for Turbofan Engine Control Systems Based on Matrix Pencil Observers

Daoliang Tan, Yue Liu, Ai He, Yun Liu, Xiangxing Kong, Xi Wang

GT 2012; 839-848https://doi.org/10.1115/GT2012-69154

Abstract

View Articletitled, Unified Diagnostic Filtering for Turbofan Engine Control Systems Based on Matrix Pencil Observers

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Topics: Control systems , Engines , Filtration , Turbofans , Filters , Fault diagnosis , Flaw detection , Kalman filters , Poles (Building) , Robustness

Microwave Blade Tip Clearance Measurements: Principles, Current Practices and Future Opportunities

Alexander Maslovskiy, Mikhail Bakulin, Maksim Snitko

GT 2012; 849-853https://doi.org/10.1115/GT2012-69201

Abstract

View Articletitled, Microwave Blade Tip Clearance Measurements: Principles, Current Practices and Future Opportunities

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Topics: Blades , Clearances (Engineering) , Microwaves , Gas turbines , Sensors , Aircraft , Combustion , Construction , Measurement systems , Microwave measurement

Total Pressure Correction of a Sub-Miniature Five-Hole Probe in Areas of Pressure Gradients

J. Town, A. Akturk, C. Camcı

GT 2012; 855-861https://doi.org/10.1115/GT2012-69280

Abstract

View Articletitled, Total Pressure Correction of a Sub-Miniature Five-Hole Probe in Areas of Pressure Gradients

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Topics: Pressure , Pressure gradient , Probes , Flow (Dynamics) , Errors , Pressure measurement , Computer software , Fans , Gates (Closures) , Prisms (Optics)

A More Realistic Scheme of Deviation Error Representation for Gas Turbine Diagnostics

Igor Loboda, Sergiy Yepifanov, Yakov Feldshteyn

GT 2012; 863-872https://doi.org/10.1115/GT2012-69368

Abstract

View Articletitled, A More Realistic Scheme of Deviation Error Representation for Gas Turbine Diagnostics

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Topics: Errors , Gas turbines , Simulation , Reliability , Algorithms , Noise (Sound) , Density , Electromagnetic scattering , Engines , Probability

Monitoring of Blade Vibrations and Tip Clearance at Non-Metallic Rotors in Turbo Machines

Florian Dreier, Thorsten Pfister, Jürgen Czarske

GT 2012; 873-882https://doi.org/10.1115/GT2012-69540

Abstract

View Articletitled, Monitoring of Blade Vibrations and Tip Clearance at Non-Metallic Rotors in Turbo Machines

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Topics: Blades , Clearances (Engineering) , Machinery , Rotors , Turbochargers , Vibration , Carbon reinforced plastics , Engines , Lasers , Probes

On the Determination of the Transfer Function of Infinite Line Pressure Probes for Turbomachinery Applications

Nicolas Van de Wyer, Jean-François Brouckaert, Rinaldo L. Miorini

GT 2012; 883-894https://doi.org/10.1115/GT2012-69563

Abstract

View Articletitled, On the Determination of the Transfer Function of Infinite Line Pressure Probes for Turbomachinery Applications

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Topics: Pressure , Probes , Transfer functions , Turbomachinery , Cavities , Compressors , Frequency response , Simulation , Tubing , Aeronautics

Development of Fault Specific Soft Sensors With Application to Gas Turbine Diagnosis

Dorin Scheianu

GT 2012; 895-902https://doi.org/10.1115/GT2012-69662

Abstract

View Articletitled, Development of Fault Specific Soft Sensors With Application to Gas Turbine Diagnosis

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Topics: Gas turbines , Sensors , Statistical analysis

On Using Fast Response Pressure Sensors in Aerodynamic Probes to Measure Total Temperature and Entropy Generation in Turbomachinery Blade Rows

Mehmet Mersinligil, Jean-François Brouckaert, Nicolas Courtiade, Xavier Ottavy

GT 2012; 903-915https://doi.org/10.1115/GT2012-69722

Abstract

View Articletitled, On Using Fast Response Pressure Sensors in Aerodynamic Probes to Measure Total Temperature and Entropy Generation in Turbomachinery Blade Rows

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Topics: Blades , Entropy , Pressure sensors , Probes , Temperature , Turbomachinery , Sensors , Pressure , Temperature measurement , Calibration

Precision Temperature Detection Using a Phosphorescence Sensor Coating System on a Rolls-Royce Viper Engine

J. P. Feist, P. Y. Sollazzo, S. Berthier, B. Charnley, J. Wells

GT 2012; 917-926https://doi.org/10.1115/GT2012-69779

Abstract

View Articletitled, Precision Temperature Detection Using a Phosphorescence Sensor Coating System on a Rolls-Royce Viper Engine

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Topics: Coatings , Engines , Phosphorescence , Sensors , Temperature , Thermal barrier coatings , Thermocouples , Turbine blades , Active materials , Aluminum

Phosphor Based Temperature Indicating Paints

A. L. Heyes, A. Rabhiou, J. P. Feist, A. M. Kempf

GT 2012; 927-933https://doi.org/10.1115/GT2012-69811

Abstract

View Articletitled, Phosphor Based Temperature Indicating Paints

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Topics: Paints , Phosphors , Temperature , Sensors , Binders (Materials) , Engines , Gas turbines , Coating processes , Coatings , High temperature

An Integrated Approach for Aircraft Engine Performance Estimation and Fault Diagnostics

Donald L. Simon, Jeffrey B. Armstrong

GT 2012; 935-946https://doi.org/10.1115/GT2012-69905

Abstract

View Articletitled, An Integrated Approach for Aircraft Engine Performance Estimation and Fault Diagnostics

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Topics: Aircraft engines , Kalman filters , Design , Engines , Filters , Sensors , Simulation , Turbomachinery

Flow Control Over a Circular Cylinder Using Pulsed DBD Actuators

William C. Schneck, III, Walter F. O’Brien

GT 2012; 947-957https://doi.org/10.1115/GT2012-69993

Abstract

View Articletitled, Flow Control Over a Circular Cylinder Using Pulsed DBD Actuators

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Topics: Actuators , Circular cylinders , Flow control , Flow (Dynamics) , Reynolds number , Wakes , Plasmas (Ionized gases) , Electric fields , Gas turbines , Pressure gradient