Volume 139 Issue 3 | J. Eng. Gas Turbines Power

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Research Papers

Gas Turbines: Aircraft Engine

Performance Investigation of Cycle-Integrated Parallel Hybrid Turboshafts

Patrick C. Vratny, Sascha Kaiser, Arne Seitz, Stefan Donnerhack

J. Eng. Gas Turbines Power. March 2017, 139(3): 031201. doi: https://doi.org/10.1115/1.4034498

Abstract

View articletitled, Performance Investigation of Cycle-Integrated Parallel Hybrid Turboshafts

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Topics: Batteries , Compressors , Cycles , Design , Electric motors , Electricity (Physics) , Engines , Fuels , Hybrid power systems , Power stations

Full Three-Dimensional Rotor/Stator Interaction Simulations in Aircraft Engines With Time-Dependent Angular Speed

Alain Batailly, Mathias Legrand, Christophe Pierre

J. Eng. Gas Turbines Power. March 2017, 139(3): 031202. doi: https://doi.org/10.1115/1.4034503

Abstract

View articletitled, Full Three-Dimensional Rotor/Stator Interaction Simulations in Aircraft Engines With Time-Dependent Angular Speed

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Topics: Blades , Coating processes , Coatings , Simulation , Vibration , Aircraft engines , Rotors , Stators

Gas Turbines: Combustion, Fuels, and Emissions

A Large-Eddy Simulation–Linear-Eddy Model Study of Preferential Diffusion Processes in a Partially Premixed Swirling Combustor With Synthesis Gases

Shaoshuai Li, Yunzhe Zheng, Daniel Mira, Suhui Li, Min Zhu, Xi Jiang

J. Eng. Gas Turbines Power. March 2017, 139(3): 031501. doi: https://doi.org/10.1115/1.4034446

Abstract

View articletitled, A Large-Eddy Simulation–Linear-Eddy Model Study of Preferential Diffusion Processes in a Partially Premixed Swirling Combustor With Synthesis Gases

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Topics: Chemical reactions , Combustion , Combustion chambers , Diffusion (Physics) , Eddies (Fluid dynamics) , Flames , Fuels , Swirling flow , Syngas , Turbulence

Large-Eddy Simulation of a Reacting Jet in Cross Flow With NO_x Prediction

Johannes Weinzierl, Michael Kolb, Denise Ahrens, Christoph Hirsch, Thomas Sattelmayer

J. Eng. Gas Turbines Power. March 2017, 139(3): 031502. doi: https://doi.org/10.1115/1.4034447

Abstract

View articletitled, Large-Eddy Simulation of a Reacting Jet in Cross Flow With NO<sub>x</sub> Prediction

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Topics: Combustion , Nitrogen oxides , Temperature , Simulation , Cross-flow , Flames , Equilibrium (Physics)

Large-Eddy Simulation of Soot Formation in a Model Gas Turbine Combustor

Heeseok Koo, Malik Hassanaly, Venkat Raman, Michael E. Mueller, Klaus Peter Geigle

J. Eng. Gas Turbines Power. March 2017, 139(3): 031503. doi: https://doi.org/10.1115/1.4034448

Abstract

View articletitled, Large-Eddy Simulation of Soot Formation in a Model Gas Turbine Combustor

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Topics: Combustion chambers , Flow (Dynamics) , Soot , Simulation , Fuels , Large eddy simulation

Automatic Detection of Defects in a Swirl Burner Array Through an Exhaust Jet Pattern Analysis

Ulrich Hartmann, Christoph Hennecke, Friedrich Dinkelacker, Joerg R. Seume

J. Eng. Gas Turbines Power. March 2017, 139(3): 031504. doi: https://doi.org/10.1115/1.4034449

Abstract

View articletitled, Automatic Detection of Defects in a Swirl Burner Array Through an Exhaust Jet Pattern Analysis

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Topics: Algorithms , Combustion chambers , Density , Exhaust systems , Support vector machines , Pattern recognition , Jet engines , Engines

Parallelized, Automated, and Predictive Imprint Cooling Model for Combustion Systems

Alejandro M. Briones, Brent A. Rankin, Scott D. Stouffer, Timothy J. Erdmann, David L. Burrus

J. Eng. Gas Turbines Power. March 2017, 139(3): 031505. doi: https://doi.org/10.1115/1.4034499

Abstract

View articletitled, Parallelized, Automated, and Predictive Imprint Cooling Model for Combustion Systems

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Topics: Combustion chambers , Cooling , Flow (Dynamics) , Turbulence , Enthalpy , Jets , Geometry , Momentum , Modeling

Developing Additive Manufacturing Technology for Burner Repair

Olov Andersson, Andreas Graichen, Håkan Brodin, Vladimir Navrotsky

J. Eng. Gas Turbines Power. March 2017, 139(3): 031506. doi: https://doi.org/10.1115/1.4034235

Abstract

View articletitled, Developing Additive Manufacturing Technology for Burner Repair

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Topics: Maintenance , Additive manufacturing , Machinery

Development and Test of Oxide/Oxide Ceramic Matrix Composites Combustor Liner Demonstrators for Aero-engines

Thomas Behrendt, Stefan Hackemann, Peter Mechnich, Yuan Shi, Sandrine Hönig, Severin Hofmann, Dietmar Koch

J. Eng. Gas Turbines Power. March 2017, 139(3): 031507. doi: https://doi.org/10.1115/1.4034515

Abstract

View articletitled, Development and Test of Oxide/Oxide Ceramic Matrix Composites Combustor Liner Demonstrators for Aero-engines

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Topics: Ceramic matrix composites , Combustion chambers , Cooling , Temperature , Stress , Design

Noise-Induced Dynamics in the Subthreshold Region in Thermoacoustic Systems

Aditya Saurabh, Lipika Kabiraj, Richard Steinert, Christian Oliver Paschereit

J. Eng. Gas Turbines Power. March 2017, 139(3): 031508. doi: https://doi.org/10.1115/1.4034544

Abstract

View articletitled, Noise-Induced Dynamics in the Subthreshold Region in Thermoacoustic Systems

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Topics: Bifurcation , Dynamics (Mechanics) , Noise (Sound) , Combustion chambers

Liquid Fuel Composition Effects on Forced, Nonpremixed Ignition

Brandon Sforzo, Hoang Dao, Sheng Wei, Jerry Seitzman

J. Eng. Gas Turbines Power. March 2017, 139(3): 031509. doi: https://doi.org/10.1115/1.4034502

Abstract

View articletitled, Liquid Fuel Composition Effects on Forced, Nonpremixed Ignition

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Topics: Fuels , Ignition , Probability , Imaging , Temperature , Flames

Linearized Euler Equations for the Prediction of Linear High-Frequency Stability in Gas Turbine Combustors

Moritz Schulze, Tobias Hummel, Noah Klarmann, Frederik Berger, Bruno Schuermans, Thomas Sattelmayer

J. Eng. Gas Turbines Power. March 2017, 139(3): 031510. doi: https://doi.org/10.1115/1.4034453

Abstract

View articletitled, Linearized Euler Equations for the Prediction of Linear High-Frequency Stability in Gas Turbine Combustors

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Topics: Acoustics , Combustion , Combustion chambers , Flames , Flow (Dynamics) , Gas turbines , Heat , Stability , Stress , Computational fluid dynamics

Gas Turbines: Heat Transfer

Experimental Characterization of Rotor Convective Heat Transfer Coefficients in the Vicinity of a Leaf Seal

Juan-Diego Pelegrin-Garcia, David R. H. Gillespie, Michael J. Pekris, Gervas Franceschini, Leonid Ganin

J. Eng. Gas Turbines Power. March 2017, 139(3): 031901. doi: https://doi.org/10.1115/1.4034519

Abstract

View articletitled, Experimental Characterization of Rotor Convective Heat Transfer Coefficients in the Vicinity of a Leaf Seal

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Topics: Computational fluid dynamics , Convection , Flow (Dynamics) , Heat transfer , Pressure , Rotors , Temperature , Thermocouples , Heat flux , Heat

Development of a Fast-Response Aerodynamic Pressure Probe Based on a Waveguide Approach

Andrea Fioravanti, Giulio Lenzi, Giovanni Ferrara, Lorenzo Ferrari

J. Eng. Gas Turbines Power. March 2017, 139(3): 031902. doi: https://doi.org/10.1115/1.4034451

Abstract

View articletitled, Development of a Fast-Response Aerodynamic Pressure Probe Based on a Waveguide Approach

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Topics: Pressure , Probes , Waveguides , Ducts , Sensors , Flow (Dynamics) , Calibration

Thermal Modeling of an Intermediate Pressure Steam Turbine by Means of Conjugate Heat Transfer—Simulation and Validation

Dominik Born, Peter Stein, Gabriel Marinescu, Stefan Koch, Daniel Schumacher

J. Eng. Gas Turbines Power. March 2017, 139(3): 031903. doi: https://doi.org/10.1115/1.4034513

Abstract

View articletitled, Thermal Modeling of an Intermediate Pressure Steam Turbine by Means of Conjugate Heat Transfer—Simulation and Validation

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Topics: Computational fluid dynamics , Computer simulation , Cooling , Flow (Dynamics) , Heat transfer , Modeling , Natural convection , Pressure , Steam turbines , Temperature

Effects of Purge Jet Momentum on Sealing Effectiveness

Kenneth Clark, Michael Barringer, Karen Thole, Carey Clum, Paul Hiester, Curtis Memory, Christopher Robak

J. Eng. Gas Turbines Power. March 2017, 139(3): 031904. doi: https://doi.org/10.1115/1.4034545

Abstract

View articletitled, Effects of Purge Jet Momentum on Sealing Effectiveness

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Topics: Cavities , Flow (Dynamics) , Momentum , Sealing (Process) , Stators , Turbines , Rotors , Leakage flows , Jets

Gas Turbines: Manufacturing, Materials, and Metallurgy

High-Temperature Deformation of Inconel 718Plus^TM

Utkudeniz Ozturk, Jose Maria Cabrera, Jessica Calvo

J. Eng. Gas Turbines Power. March 2017, 139(3): 032101. doi: https://doi.org/10.1115/1.4034539

Abstract

View articletitled, High-Temperature Deformation of Inconel 718Plus<sup>TM</sup>

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Topics: Alloys , Deformation , Flow (Dynamics) , High temperature , Modeling , Precipitation , Stress , Temperature , Hardening , Recrystallization

Gas Turbines: Microturbines and Small Turbomachinery

Oil-Free Automotive Turbochargers: Drag Friction and On-Engine Performance Comparisons to Oil-Lubricated Commercial Turbochargers

Keun Ryu, Zachary Ashton

J. Eng. Gas Turbines Power. March 2017, 139(3): 032301. doi: https://doi.org/10.1115/1.4034359

Abstract

View articletitled, Oil-Free Automotive Turbochargers: Drag Friction and On-Engine Performance Comparisons to Oil-Lubricated Commercial Turbochargers

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Topics: Bearings , Drag (Fluid dynamics) , Engines , Friction , Rotors , Turbochargers , Temperature , Compressors

Gas Turbines: Structures and Dynamics

Unsteady Flow Phenomena in Turbine Rim Seals

Paul F. Beard, Feng Gao, Kam S. Chana, John Chew

J. Eng. Gas Turbines Power. March 2017, 139(3): 032501. doi: https://doi.org/10.1115/1.4034452

Abstract

View articletitled, Unsteady Flow Phenomena in Turbine Rim Seals

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Topics: Cavities , Disks , Flow (Dynamics) , Pressure , Rotors , Sensors , Turbines , Unsteady flow , Cavity flows , Computational fluid dynamics

Brush Seal Frictional Heat Generation—Test Rig Design and Validation Under Steam Environment

Markus Raben, Jens Friedrichs, Johan Flegler

J. Eng. Gas Turbines Power. March 2017, 139(3): 032502. doi: https://doi.org/10.1115/1.4034500

Abstract

View articletitled, Brush Seal Frictional Heat Generation—Test Rig Design and Validation Under Steam Environment

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Topics: Design , Heat , Rotors , Steam , Temperature , Thermocouples , Temperature measurement , Friction , Flow (Dynamics) , Wear

Gas Turbines: Turbomachinery

Experimental Evaluation of Compressor Blade Fouling

Rainer Kurz, Grant Musgrove, Klaus Brun

J. Eng. Gas Turbines Power. March 2017, 139(3): 032601. doi: https://doi.org/10.1115/1.4034501

Abstract

View articletitled, Experimental Evaluation of Compressor Blade Fouling

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Topics: Airfoils , Blades , Compressors , Particulate matter , Dust , Water , Gas turbines

Numerical Characterization of Hot-Gas Ingestion Through Turbine Rim Seals

Riccardo Da Soghe, Cosimo Bianchini, Carl M. Sangan, James A. Scobie, Gary D. Lock

J. Eng. Gas Turbines Power. March 2017, 139(3): 032602. doi: https://doi.org/10.1115/1.4034540

Abstract

View articletitled, Numerical Characterization of Hot-Gas Ingestion Through Turbine Rim Seals

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Topics: Clearances (Engineering) , Computation , Computational fluid dynamics , Flow (Dynamics) , Rotors , Sealing (Process) , Stators , Turbines , Wheels , Cavities