Volume 139 Issue 7 | J. Eng. Gas Turbines Power

Research Papers

Gas Turbines: Combustion, Fuels, and Emissions

High-Frequency Thermoacoustic Modulation Mechanisms in Swirl-Stabilized Gas Turbine Combustors—Part I: Experimental Investigation of Local Flame Response

Frederik M. Berger, Tobias Hummel, Michael Hertweck, Jan Kaufmann, Bruno Schuermans, Thomas Sattelmayer

J. Eng. Gas Turbines Power. July 2017, 139(7): 071501. doi: https://doi.org/10.1115/1.4035591

View articletitled, High-Frequency Thermoacoustic Modulation Mechanisms in Swirl-Stabilized Gas Turbine Combustors—Part I: Experimental Investigation of Local Flame Response

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Topics: Acoustics , Combustion chambers , Flames , Heat , Oscillations , Pressure , Gas turbines

High-Frequency Thermoacoustic Modulation Mechanisms in Swirl-Stabilized Gas Turbine Combustors—Part II: Modeling and Analysis

Tobias Hummel, Frederik Berger, Michael Hertweck, Bruno Schuermans, Thomas Sattelmayer

J. Eng. Gas Turbines Power. July 2017, 139(7): 071502. doi: https://doi.org/10.1115/1.4035592

Abstract

View articletitled, High-Frequency Thermoacoustic Modulation Mechanisms in Swirl-Stabilized Gas Turbine Combustors—Part II: Modeling and Analysis

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Topics: Acoustics , Combustion chambers , Displacement , Flames , Gas turbines , Heat , Oscillations , Pressure , Deformation , Modeling

Low-Order Modeling of Nonlinear High-Frequency Transversal Thermoacoustic Oscillations in Gas Turbine Combustors

Tobias Hummel, Klaus Hammer, Pedro Romero, Bruno Schuermans, Thomas Sattelmayer

J. Eng. Gas Turbines Power. July 2017, 139(7): 071503. doi: https://doi.org/10.1115/1.4035529

Abstract

View articletitled, Low-Order Modeling of Nonlinear High-Frequency Transversal Thermoacoustic Oscillations in Gas Turbine Combustors

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Topics: Acoustics , Combustion chambers , Dynamics (Mechanics) , Flames , Gas turbines , Modeling , Oscillations , Pressure , Simulation , Stability

Combustion Characteristics of a Two-Dimensional Twin Cavity Trapped Vortex Combustor

P. K. Ezhil Kumar, D. P. Mishra

J. Eng. Gas Turbines Power. July 2017, 139(7): 071504. doi: https://doi.org/10.1115/1.4035739

Abstract

View articletitled, Combustion Characteristics of a Two-Dimensional Twin Cavity Trapped Vortex Combustor

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Topics: Cavities , Combustion chambers , Flames , Emissions , Combustion , Reynolds number , Flow (Dynamics) , Vortices

Gas Turbines: Heat Transfer

Use of Rib Turbulators to Enhance Postimpingement Heat Transfer for Curved Surface

Jahed Hossain, Andres Curbelo, Christian Garrett, Wenping Wang, Jayanta Kapat, Steven Thorpe, Michael Maurer

J. Eng. Gas Turbines Power. July 2017, 139(7): 071901. doi: https://doi.org/10.1115/1.4035659

Abstract

View articletitled, Use of Rib Turbulators to Enhance Postimpingement Heat Transfer for Curved Surface

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Topics: Heat transfer , Computational fluid dynamics , Flow (Dynamics) , Reynolds number , Pressure

Gas Turbines: Structures and Dynamics

Prediction of Nonlinear Evolution of Fatigue Damage Accumulation From an Energy-Based Model

M.-H. Herman Shen, Sajedur R. Akanda

J. Eng. Gas Turbines Power. July 2017, 139(7): 072501. doi: https://doi.org/10.1115/1.4035401

Abstract

View articletitled, Prediction of Nonlinear Evolution of Fatigue Damage Accumulation From an Energy-Based Model

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Topics: Cycles , Fatigue , Fatigue damage , Steel , Stress , Fatigue life

Impulse Mistuning of Blades and Vanes

Andreas Hartung, Ulrich Retze, Hans-Peter Hackenberg

J. Eng. Gas Turbines Power. July 2017, 139(7): 072502. doi: https://doi.org/10.1115/1.4035594

Abstract

View articletitled, Impulse Mistuning of Blades and Vanes

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Topics: Blades , Dampers , Damping , Impulse (Physics) , Friction , Excitation , Energy dissipation

Investigation of Effective Groove Types for a Film Riding Seal

S. M. Tibos, J. A. Teixeira, C. Georgakis

J. Eng. Gas Turbines Power. July 2017, 139(7): 072503. doi: https://doi.org/10.1115/1.4035601

Abstract

View articletitled, Investigation of Effective Groove Types for a Film Riding Seal

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Topics: Computational fluid dynamics , Design , Gas turbines , Hydrostatics , Optimization , Pressure , Stress , Modeling , Sealing (Process) , Lift (Fluid dynamics)

Computational Fluid Dynamics and Thermal Analysis of Leaf Seals for Aero-engine Application

Vincenzo Fico, Michael J. Pekris, Christopher J. Barnes, Rakesh Kumar Jha, David Gillespie

J. Eng. Gas Turbines Power. July 2017, 139(7): 072504. doi: https://doi.org/10.1115/1.4035595

Abstract

View articletitled, Computational Fluid Dynamics and Thermal Analysis of Leaf Seals for Aero-engine Application

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Topics: Boundary-value problems , Computational fluid dynamics , Rotors , Flow (Dynamics) , Aircraft engines , Thermal analysis , Heat transfer

HAYNES NS-163 Alloy: A Novel Nitride Dispersion-Strengthened CO-Base Alloy

Michael G. Fahrmann, Vinay P. Deodeshmukh, S. Krishna Srivastava

J. Eng. Gas Turbines Power. July 2017, 139(7): 072505. doi: https://doi.org/10.1115/1.4035625

Abstract

View articletitled, HAYNES NS-163 Alloy: A Novel Nitride Dispersion-Strengthened CO-Base Alloy

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Topics: Alloys , Coatings , Oxidation , Temperature , Creep

Leakage Degradation of Straight Labyrinth Seal Due to Wear of Round Tooth Tip and Acute Trapezoidal Rub-Groove

Yahya Dogu, Mustafa C. Sertçakan, Koray Gezer, Mustafa Kocagül, Ercan Arıcan, Murat S. Ozmusul

J. Eng. Gas Turbines Power. July 2017, 139(7): 072506. doi: https://doi.org/10.1115/1.4035657

Abstract

View articletitled, Leakage Degradation of Straight Labyrinth Seal Due to Wear of Round Tooth Tip and Acute Trapezoidal Rub-Groove

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Topics: Clearances (Engineering) , Computational fluid dynamics , Flow (Dynamics) , Leakage , Shapes , Wear , Stators , Pressure

Gas Turbines: Turbomachinery

Performance Prediction and Optimization of Low Pressure Steam Turbine Radial Diffuser at Design and Off-Design Conditions Using Streamline Curvature Method

Luying Zhang, Francesco Congiu, Xiaopeng Gan, David Karunakara

J. Eng. Gas Turbines Power. July 2017, 139(7): 072601. doi: https://doi.org/10.1115/1.4035527

Abstract

View articletitled, Performance Prediction and Optimization of Low Pressure Steam Turbine Radial Diffuser at Design and Off-Design Conditions Using Streamline Curvature Method

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Topics: Design , Diffusers , Geometry , Optimization , Exhaust systems , Computational fluid dynamics , Pressure , Flow (Dynamics) , Flow separation

Direct Numerical Simulation of Rotating Cavity Flows Using a Spectral Element-Fourier Method

Diogo B. Pitz, John W. Chew, Olaf Marxen, Nicholas J. Hills

J. Eng. Gas Turbines Power. July 2017, 139(7): 072602. doi: https://doi.org/10.1115/1.4035593

Abstract

View articletitled, Direct Numerical Simulation of Rotating Cavity Flows Using a Spectral Element-Fourier Method

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Topics: Approximation , Buoyancy , Cavities , Flow (Dynamics) , Rotors , Stators , Reynolds number , Annulus , Disks , Rayleigh number

Innovative Turbine Stator Well Design Using a Kriging-Assisted Optimization Method

Julien Pohl, Harvey M. Thompson, Ralf C. Schlaps, Shahrokh Shahpar, Vincenzo Fico, Gary A. Clayton

J. Eng. Gas Turbines Power. July 2017, 139(7): 072603. doi: https://doi.org/10.1115/1.4035288

Abstract

View articletitled, Innovative Turbine Stator Well Design Using a Kriging-Assisted Optimization Method

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Topics: Cavities , Computational fluid dynamics , Cooling , Design , Geometry , Optimization , Temperature , Stators , Flow (Dynamics) , Disks

Enhanced Robust Design Simulation and Application to Engine Cycle and Technology Design

Jonathan Sands, Christopher Perullo, Brian Kestner, Dimitri Mavris

J. Eng. Gas Turbines Power. July 2017, 139(7): 072604. doi: https://doi.org/10.1115/1.4035599

Abstract

View articletitled, Enhanced Robust Design Simulation and Application to Engine Cycle and Technology Design

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Topics: Design , Engines , Cycles , Simulation , Uncertainty

Evaluation of Measurement Uncertainties for Pneumatic Multihole Probes Using a Monte Carlo Method

Magnus Hölle, Christian Bartsch, Peter Jeschke

J. Eng. Gas Turbines Power. July 2017, 139(7): 072605. doi: https://doi.org/10.1115/1.4035626

Abstract

View articletitled, Evaluation of Measurement Uncertainties for Pneumatic Multihole Probes Using a Monte Carlo Method

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Topics: Algorithms , Calibration , Monte Carlo methods , Pressure , Probes , Uncertainty , Wakes , Measurement uncertainty , Flow (Dynamics) , Polynomials

Performance Metric for Turbine Stage Under Unsteady Pulsating Flow Environment

Jinwook Lee, Choon S. Tan, Borislav T. Sirakov, Hong-Sik Im, Martin Babak, Denis Tisserant, Chris Wilkins

J. Eng. Gas Turbines Power. July 2017, 139(7): 072606. doi: https://doi.org/10.1115/1.4035630

Abstract

View articletitled, Performance Metric for Turbine Stage Under Unsteady Pulsating Flow Environment

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Topics: Entropy , Pulsatile flow , Storage , Turbines , Turbochargers , Unsteady flow , Cycles , Approximation , Flow (Dynamics)

Gas Turbines: Vehicular and Small Turbomachines

Performance Characterization of Twin-Scroll Turbine Stage for Vehicular Turbocharger Under Unsteady Pulsating Flow Environment

Jinwook Lee, Choon S. Tan, Borislav T. Sirakov, Hong-Sik Im, Martin Babak, Denis Tisserant, Chris Wilkins

J. Eng. Gas Turbines Power. July 2017, 139(7): 072701. doi: https://doi.org/10.1115/1.4035629

Abstract

View articletitled, Performance Characterization of Twin-Scroll Turbine Stage for Vehicular Turbocharger Under Unsteady Pulsating Flow Environment

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Topics: Computational fluid dynamics , Diffusers , Flow (Dynamics) , Modeling , Turbines , Wheels , Pressure , Errors , Turbochargers

Internal Combustion Engines

Analysis and Comparison of the Performance of an Inverted Brayton Cycle and Turbocompounding With Decoupled Turbine and Continuous Variable Transmission Driven Compressor for Small Automotive Engines

P. Lu, C. Brace, B. Hu, C. Copeland

J. Eng. Gas Turbines Power. July 2017, 139(7): 072801. doi: https://doi.org/10.1115/1.4035600

Abstract

View articletitled, Analysis and Comparison of the Performance of an Inverted Brayton Cycle and Turbocompounding With Decoupled Turbine and Continuous Variable Transmission Driven Compressor for Small Automotive Engines

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Topics: Brayton cycle , Compressors , Cycles , Engines , Pressure , Stress , Turbines , Exhaust systems , Transients (Dynamics) , Fuel consumption

In-Cylinder Flow Correlations Between Steady Flow Bench and Motored Engine Using Computational Fluid Dynamics

Xiaofeng Yang, Tang-Wei Kuo, Orgun Guralp, Ronald O. Grover, Jr., Paul Najt

J. Eng. Gas Turbines Power. July 2017, 139(7): 072802. doi: https://doi.org/10.1115/1.4035627

Abstract

View articletitled, In-Cylinder Flow Correlations Between Steady Flow Bench and Motored Engine Using Computational Fluid Dynamics

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Topics: Engines , Flow (Dynamics) , Valves , Simulation , Computational fluid dynamics , Cylinders

Investigation of Cycle-to-Cycle Variation of In-Cylinder Engine Swirl Flow Fields Using Quadruple Proper Orthogonal Decomposition

Penghui Ge, David L. S. Hung

J. Eng. Gas Turbines Power. July 2017, 139(7): 072803. doi: https://doi.org/10.1115/1.4035628

Abstract

View articletitled, Investigation of Cycle-to-Cycle Variation of In-Cylinder Engine Swirl Flow Fields Using Quadruple Proper Orthogonal Decomposition

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Topics: Cycles , Cylinders , Engines , Flow (Dynamics) , Principal component analysis , Valves , Kinetic energy , Computer-aided design

Optimization Method and Simulation Study of a Diesel Engine Using Full Variable Valve Motions

Yong Lu, Daniel B. Olsen

J. Eng. Gas Turbines Power. July 2017, 139(7): 072804. doi: https://doi.org/10.1115/1.4035736

Abstract

View articletitled, Optimization Method and Simulation Study of a Diesel Engine Using Full Variable Valve Motions

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Topics: Diesel engines , Engines , Optimization , Simulation , Valves

Research Papers

Gas Turbines: Combustion, Fuels, and Emissions

High-Frequency Thermoacoustic Modulation Mechanisms in Swirl-Stabilized Gas Turbine Combustors—Part I: Experimental Investigation of Local Flame Response

High-Frequency Thermoacoustic Modulation Mechanisms in Swirl-Stabilized Gas Turbine Combustors—Part II: Modeling and Analysis

Low-Order Modeling of Nonlinear High-Frequency Transversal Thermoacoustic Oscillations in Gas Turbine Combustors

Combustion Characteristics of a Two-Dimensional Twin Cavity Trapped Vortex Combustor

Gas Turbines: Heat Transfer

Use of Rib Turbulators to Enhance Postimpingement Heat Transfer for Curved Surface

Gas Turbines: Structures and Dynamics

Prediction of Nonlinear Evolution of Fatigue Damage Accumulation From an Energy-Based Model

Impulse Mistuning of Blades and Vanes

Investigation of Effective Groove Types for a Film Riding Seal

Computational Fluid Dynamics and Thermal Analysis of Leaf Seals for Aero-engine Application

HAYNES NS-163 Alloy: A Novel Nitride Dispersion-Strengthened CO-Base Alloy

Leakage Degradation of Straight Labyrinth Seal Due to Wear of Round Tooth Tip and Acute Trapezoidal Rub-Groove

Gas Turbines: Turbomachinery

Performance Prediction and Optimization of Low Pressure Steam Turbine Radial Diffuser at Design and Off-Design Conditions Using Streamline Curvature Method

Direct Numerical Simulation of Rotating Cavity Flows Using a Spectral Element-Fourier Method

Innovative Turbine Stator Well Design Using a Kriging-Assisted Optimization Method

Enhanced Robust Design Simulation and Application to Engine Cycle and Technology Design

Evaluation of Measurement Uncertainties for Pneumatic Multihole Probes Using a Monte Carlo Method

Performance Metric for Turbine Stage Under Unsteady Pulsating Flow Environment

Gas Turbines: Vehicular and Small Turbomachines

Performance Characterization of Twin-Scroll Turbine Stage for Vehicular Turbocharger Under Unsteady Pulsating Flow Environment

Internal Combustion Engines

Analysis and Comparison of the Performance of an Inverted Brayton Cycle and Turbocompounding With Decoupled Turbine and Continuous Variable Transmission Driven Compressor for Small Automotive Engines

In-Cylinder Flow Correlations Between Steady Flow Bench and Motored Engine Using Computational Fluid Dynamics

Investigation of Cycle-to-Cycle Variation of In-Cylinder Engine Swirl Flow Fields Using Quadruple Proper Orthogonal Decomposition

Optimization Method and Simulation Study of a Diesel Engine Using Full Variable Valve Motions

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Research Papers

Gas Turbines: Combustion, Fuels, and Emissions

Gas Turbines: Heat Transfer

Gas Turbines: Structures and Dynamics

Gas Turbines: Turbomachinery

Gas Turbines: Vehicular and Small Turbomachines

Internal Combustion Engines

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