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Volume 134, Issue 11

November 2012

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ISSN 0742-4795

EISSN 1528-8919

In this Issue

Gas Turbines: Aircraft Engine
Gas Turbines: Coal, Biomass, and Alternative Fuels
Gas Turbines: Combustion, Fuels, and Emissions
Gas Turbines: Cycle Innovations
Gas Turbines: Microturbines and Small Turbomachinery
Gas Turbines: Structures and Dynamics
Gas Turbines: Turbomachinery
Internal Combustion Engines

Gas Turbines: Aircraft Engine

Effects of Core Flow Swirl on the Flow Characteristics of a Scalloped Forced Mixer

Zhijun Lei, Ali Mahallati, Mark Cunningham, Patrick Germain

J. Eng. Gas Turbines Power. November 2012, 134(11): 111201. doi: https://doi.org/10.1115/1.4005968

Abstract

View articletitled, Effects of Core Flow Swirl on the Flow Characteristics of a Scalloped Forced Mixer

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Topics: Flow (Dynamics) , Pressure , Vortices , Wakes , Thrust , Vorticity

Analytical Analysis of Indirect Combustion Noise in Subcritical Nozzles

Alexis Giauque, Maxime Huet, Franck Clero

J. Eng. Gas Turbines Power. November 2012, 134(11): 111202. doi: https://doi.org/10.1115/1.4007318

Abstract

View articletitled, Analytical Analysis of Indirect Combustion Noise in Subcritical Nozzles

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Topics: Nozzles , Flow (Dynamics) , Noise (Sound) , Transfer functions

Gas Turbines: Coal, Biomass, and Alternative Fuels

Assessing Alternative Fuels for Helicopter Operation

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

J. Eng. Gas Turbines Power. November 2012, 134(11): 111401. doi: https://doi.org/10.1115/1.4007169

Abstract

View articletitled, Assessing Alternative Fuels for Helicopter Operation

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Topics: Engines , Fuels

Gas Turbines: Combustion, Fuels, and Emissions

Effects of Outlet Boundary Conditions on the Reacting Flow Field in a Swirl-Stabilized Burner at Dry and Humid Conditions

Steffen Terhaar, Bernhard C. Bobusch, Christian Oliver Paschereit

J. Eng. Gas Turbines Power. November 2012, 134(11): 111501. doi: https://doi.org/10.1115/1.4007165

Abstract

View articletitled, Effects of Outlet Boundary Conditions on the Reacting Flow Field in a Swirl-Stabilized Burner at Dry and Humid Conditions

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Topics: Flow (Dynamics) , Combustion chambers , Boundary-value problems , Flames

Using Boundary Conditions to Account for Mean Flow Effects in a Zero Mach Number Acoustic Solver

Emmanuel Motheau, Franck Nicoud, Thierry Poinsot

J. Eng. Gas Turbines Power. November 2012, 134(11): 111502. doi: https://doi.org/10.1115/1.4007198

Abstract

View articletitled, Using Boundary Conditions to Account for Mean Flow Effects in a Zero Mach Number Acoustic Solver

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Topics: Acoustics , Boundary-value problems , Entropy , Flow (Dynamics) , Mach number , Waves

Characterization of the Acoustic Interactions in a Two-Stage Multi-Injection Combustor Fed With Liquid Fuel

Theodore Providakis, Laurent Zimmer, Philippe Scouflaire, Sébastien Ducruix

J. Eng. Gas Turbines Power. November 2012, 134(11): 111503. doi: https://doi.org/10.1115/1.4007200

Abstract

View articletitled, Characterization of the Acoustic Interactions in a Two-Stage Multi-Injection Combustor Fed With Liquid Fuel

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Topics: Acoustics , Combustion , Combustion chambers , Drops , Flames , Fuels , Sprays , Dynamics (Mechanics) , Fluctuations (Physics) , Lasers

The Impact of Compressor Exit Conditions on Fuel Injector Flows

C. L. Ford, J. F. Carrotte, A. D. Walker

J. Eng. Gas Turbines Power. November 2012, 134(11): 111504. doi: https://doi.org/10.1115/1.4007025

Abstract

View articletitled, The Impact of Compressor Exit Conditions on Fuel Injector Flows

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Topics: Compressors , Ejectors , Flow (Dynamics) , Fuel injectors , Geometry , Wakes

Considerations on the Numerical Modeling and Performance of Axial Swirlers Under Relight Conditions

Nicholas Grech, Charlie Koupper, Pavlos K. Zachos, Vassilios Pachidis, Riti Singh

J. Eng. Gas Turbines Power. November 2012, 134(11): 111505. doi: https://doi.org/10.1115/1.4007132

Abstract

View articletitled, Considerations on the Numerical Modeling and Performance of Axial Swirlers Under Relight Conditions

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Topics: Computer simulation , Flow (Dynamics) , Turbulence , Flames , Swirling flow , Boundary-value problems , Flight , Engineering simulation , Simulation , Pressure drop

Gas Turbines: Cycle Innovations

Modeling Contra-Rotating Turbomachinery Components for Engine Performance Simulations: The Geared Turbofan With Contra-Rotating Core Case

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

J. Eng. Gas Turbines Power. November 2012, 134(11): 111701. doi: https://doi.org/10.1115/1.4007197

Abstract

View articletitled, Modeling Contra-Rotating Turbomachinery Components for Engine Performance Simulations: The Geared Turbofan With Contra-Rotating Core Case

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Topics: Compressors , Design , Engines , Modeling , Simulation , Turbines , Turbofans , Turbomachinery , Flow (Dynamics) , Weight (Mass)

Evaluation of Design Performance of the Semi-Closed Oxy-Fuel Combustion Combined Cycle

H. J. Yang, D. W. Kang, J. H. Ahn, T. S. Kim

J. Eng. Gas Turbines Power. November 2012, 134(11): 111702. doi: https://doi.org/10.1115/1.4007322

Abstract

View articletitled, Evaluation of Design Performance of the Semi-Closed Oxy-Fuel Combustion Combined Cycle

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Topics: Carbon capture and storage , Carbon dioxide , Combined cycles , Combustion , Compressors , Cooling , Cycles , Design , Flow (Dynamics) , Fuels

Performance Characteristics of an Operating Supercritical CO₂ Brayton Cycle

Thomas Conboy, Steven Wright, James Pasch, Darryn Fleming, Gary Rochau, Robert Fuller

J. Eng. Gas Turbines Power. November 2012, 134(11): 111703. doi: https://doi.org/10.1115/1.4007199

Abstract

View articletitled, Performance Characteristics of an Operating Supercritical CO<sub>2</sub> Brayton Cycle

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Topics: Bearings , Brayton cycle , Compressors , Design , Flow (Dynamics) , Heat exchangers , Pressure , Supercritical carbon dioxide , Temperature , Turbines

Gas Turbines: Microturbines and Small Turbomachinery

A Mobile Test Rig for Micro Gas Turbines Based on a Thermal Power Measurement Approach

Stefan aus der Wiesche

J. Eng. Gas Turbines Power. November 2012, 134(11): 112301. doi: https://doi.org/10.1115/1.4007201

Abstract

View articletitled, A Mobile Test Rig for Micro Gas Turbines Based on a Thermal Power Measurement Approach

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Topics: Brakes , Micro gas turbines , Temperature , Design

Gas Turbines: Structures and Dynamics

Crack Detection in a Rotor Dynamic System by Vibration Monitoring—Part II: Extended Analysis and Experimental Results

Philip Varney, Itzhak Green

J. Eng. Gas Turbines Power. November 2012, 134(11): 112501. doi: https://doi.org/10.1115/1.4007275

Abstract

View articletitled, Crack Detection in a Rotor Dynamic System by Vibration Monitoring—Part II: Extended Analysis and Experimental Results

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Topics: Fracture (Materials) , Rotors

Characterization of Stiffness and Damping in Textured Sector Pad Micro Thrust Bearings Using Computational Fluid Dynamics

Christos I. Papadopoulos, Pantelis G. Nikolakopoulos, Lambros Kaiktsis

J. Eng. Gas Turbines Power. November 2012, 134(11): 112502. doi: https://doi.org/10.1115/1.4007320

Abstract

View articletitled, Characterization of Stiffness and Damping in Textured Sector Pad Micro Thrust Bearings Using Computational Fluid Dynamics

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Topics: Bearings , Computational fluid dynamics , Damping , Stiffness , Thrust bearings , Geometry , Rotors , Load bearing capacity , Texture (Materials)

On The Nonlinear Dynamics of Two Types of Backup Bearings — Theoretical and Experimental Aspects

Said Lahriri, Ilmar F. Santos, Hans I. Weber, Henning Hartmann

J. Eng. Gas Turbines Power. November 2012, 134(11): 112503. doi: https://doi.org/10.1115/1.4007166

Abstract

View articletitled, On The Nonlinear Dynamics of Two Types of Backup Bearings — Theoretical and Experimental Aspects

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Topics: Bearings , Disks , Friction , Rotors , Clearances (Engineering) , Stators , Bearing design , Vibration , Equations of motion

Tribological Behaviors of Titanium Nitride- and Chromium-Nitride-Based Physical Vapor Deposition Coating Systems

Feng Cai, Xiao Huang, Qi Yang, Doug Nagy

J. Eng. Gas Turbines Power. November 2012, 134(11): 112504. doi: https://doi.org/10.1115/1.4007168

Abstract

View articletitled, Tribological Behaviors of Titanium Nitride- and Chromium-Nitride-Based Physical Vapor Deposition Coating Systems

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Topics: Coating processes , Coatings , Wear , Erosion , Tribology

Gas Turbines: Turbomachinery

Impact of Manufacturing Variability on Multistage High-Pressure Compressor Performance

Alexander Lange, Matthias Voigt, Konrad Vogeler, Henner Schrapp, Erik Johann, Volker Gümmer

J. Eng. Gas Turbines Power. November 2012, 134(11): 112601. doi: https://doi.org/10.1115/1.4007167

Abstract

View articletitled, Impact of Manufacturing Variability on Multistage High-Pressure Compressor Performance

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Topics: Blades , Compressors , Computational fluid dynamics , Electromagnetic scattering , Geometry , High pressure (Physics) , Manufacturing , Pressure , Rotors , Simulation

Internal Combustion Engines

Effects of Charge Preheating Methods on the Combustion Phasing Limitations of an HCCI Engine With Negative Valve Overlap

Laura Manofsky Olesky, Jiri Vavra, Dennis Assanis, Aristotelis Babajimopoulos

J. Eng. Gas Turbines Power. November 2012, 134(11): 112801. doi: https://doi.org/10.1115/1.4007319

Abstract

View articletitled, Effects of Charge Preheating Methods on the Combustion Phasing Limitations of an HCCI Engine With Negative Valve Overlap

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Topics: Combustion , Cylinders , Homogeneous charge compression ignition engines , Temperature , Valves , Pressure , Engines , Fuels

Empirical Study of Simultaneously Low NO_x and Soot Combustion With Diesel and Ethanol Fuels in Diesel Engine

Xiaoye Han, Kelvin Xie, Jimi Tjong, Ming Zheng

J. Eng. Gas Turbines Power. November 2012, 134(11): 112802. doi: https://doi.org/10.1115/1.4007163

Abstract

View articletitled, Empirical Study of Simultaneously Low NO<sub>x</sub> and Soot Combustion With Diesel and Ethanol Fuels in Diesel Engine

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Topics: Combustion , Cylinders , Diesel , Emissions , Engines , Ethanol , Exhaust gas recirculation , Fuels , Nitrogen oxides , Pressure

Quantifying Cyclic Variability in a Multicylinder HCCI Engine With High Residuals

Erik Hellström, Jacob Larimore, Anna Stefanopoulou, Jeff Sterniak, Li Jiang

J. Eng. Gas Turbines Power. November 2012, 134(11): 112803. doi: https://doi.org/10.1115/1.4007164

Abstract

View articletitled, Quantifying Cyclic Variability in a Multicylinder HCCI Engine With High Residuals

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Topics: Combustion , Cycles , Cylinders , Engines , Fuels , Heat , Homogeneous charge compression ignition engines , Statistics

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Gas Turbines: Aircraft Engine

Effects of Core Flow Swirl on the Flow Characteristics of a Scalloped Forced Mixer

Analytical Analysis of Indirect Combustion Noise in Subcritical Nozzles

Gas Turbines: Coal, Biomass, and Alternative Fuels

Assessing Alternative Fuels for Helicopter Operation

Gas Turbines: Combustion, Fuels, and Emissions

Effects of Outlet Boundary Conditions on the Reacting Flow Field in a Swirl-Stabilized Burner at Dry and Humid Conditions

Using Boundary Conditions to Account for Mean Flow Effects in a Zero Mach Number Acoustic Solver

Characterization of the Acoustic Interactions in a Two-Stage Multi-Injection Combustor Fed With Liquid Fuel

The Impact of Compressor Exit Conditions on Fuel Injector Flows

Considerations on the Numerical Modeling and Performance of Axial Swirlers Under Relight Conditions

Gas Turbines: Cycle Innovations

Modeling Contra-Rotating Turbomachinery Components for Engine Performance Simulations: The Geared Turbofan With Contra-Rotating Core Case

Evaluation of Design Performance of the Semi-Closed Oxy-Fuel Combustion Combined Cycle

Performance Characteristics of an Operating Supercritical CO₂ Brayton Cycle

Gas Turbines: Microturbines and Small Turbomachinery

A Mobile Test Rig for Micro Gas Turbines Based on a Thermal Power Measurement Approach

Gas Turbines: Structures and Dynamics

Crack Detection in a Rotor Dynamic System by Vibration Monitoring—Part II: Extended Analysis and Experimental Results

Characterization of Stiffness and Damping in Textured Sector Pad Micro Thrust Bearings Using Computational Fluid Dynamics

On The Nonlinear Dynamics of Two Types of Backup Bearings — Theoretical and Experimental Aspects

Tribological Behaviors of Titanium Nitride- and Chromium-Nitride-Based Physical Vapor Deposition Coating Systems

Gas Turbines: Turbomachinery

Impact of Manufacturing Variability on Multistage High-Pressure Compressor Performance

Internal Combustion Engines

Effects of Charge Preheating Methods on the Combustion Phasing Limitations of an HCCI Engine With Negative Valve Overlap

Empirical Study of Simultaneously Low NO_x and Soot Combustion With Diesel and Ethanol Fuels in Diesel Engine

Quantifying Cyclic Variability in a Multicylinder HCCI Engine With High Residuals

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Gas Turbines: Aircraft Engine

Gas Turbines: Coal, Biomass, and Alternative Fuels

Gas Turbines: Combustion, Fuels, and Emissions

Gas Turbines: Cycle Innovations

Gas Turbines: Microturbines and Small Turbomachinery

Gas Turbines: Structures and Dynamics

Gas Turbines: Turbomachinery

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