Journal of Engineering for Gas Turbines and Power

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Research Papers

Aero Engine Concepts Beyond 2030: Part 1—The Steam Injecting and Recovering Aero Engine

Oliver Schmitz, Hermann Klingels, Petra Kufner

J. Eng. Gas Turbines Power. February 2021, 143(2): 021001. doi: https://doi.org/10.1115/1.4048985

View articletitled, Aero Engine Concepts Beyond 2030: Part 1—The Steam Injecting and Recovering Aero Engine

Topics: Exhaust systems , Steam , Water , Aircraft engines , Gas turbines , Flow (Dynamics) , Temperature , Condensation , Cycles , Heat

Aero Engine Concepts Beyond 2030: Part 2—The Free-Piston Composite Cycle Engine

Sascha Kaiser, Oliver Schmitz, Hermann Klingels

J. Eng. Gas Turbines Power. February 2021, 143(2): 021002. doi: https://doi.org/10.1115/1.4048993

Abstract

View articletitled, Aero Engine Concepts Beyond 2030: Part 2—The Free-Piston Composite Cycle Engine

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Topics: Cycles , Engines , Piston engines , Pistons , Nitrogen oxides , Temperature , Emissions , Combustion chambers , Combustion , Cylinders

Aero Engine Concepts Beyond 2030: Part 3—Experimental Demonstration of Technological Feasibility

Oliver Schmitz, Sascha Kaiser, Hermann Klingels, Petra Kufner, Martin Obermüller, Martin Henke, Jan Zanger, Felix Grimm, Simon Schuldt, Anna Marcellan, Daniele Cirigliano, Peter Kutne, Alex Heron-Himmel, Stephan Schneider, Judith Richter, Bernhard Weigand, Anne Göhler-Stroh, Arne Seitz, Mirko Hornung

J. Eng. Gas Turbines Power. February 2021, 143(2): 021003. doi: https://doi.org/10.1115/1.4048994

Abstract

View articletitled, Aero Engine Concepts Beyond 2030: Part 3—Experimental Demonstration of Technological Feasibility

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Topics: Aircraft , Aircraft engines , Combustion , Condensation , Cycles , Design , Engines , Gas turbines , Pistons , Steam

Combined Numerical and Experimental Study on the Use of Gurney Flaps for the Performance Enhancement of NACA0021 Airfoil in Static and Dynamic Conditions

Francesco Balduzzi, David Holst, Pier Francesco Melani, Felix Wegner, Christian Navid Nayeri, Giovanni Ferrara, Christian Oliver Paschereit, Alessandro Bianchini

J. Eng. Gas Turbines Power. February 2021, 143(2): 021004. doi: https://doi.org/10.1115/1.4048908

Abstract

View articletitled, Combined Numerical and Experimental Study on the Use of Gurney Flaps for the Performance Enhancement of NACA0021 Airfoil in Static and Dynamic Conditions

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Topics: Airfoils , Blades , Computational fluid dynamics , Wind tunnels , Drag (Fluid dynamics) , Flow (Dynamics) , Vertical axis wind turbines , Reynolds number , Simulation

Optimal Control of a Compound Rotorcraft for Engine Performance Enhancement

Calum Scullion, Stavros Vouros, Ioannis Goulos, Devaiah Nalianda, Vassilios Pachidis

J. Eng. Gas Turbines Power. February 2021, 143(2): 021005. doi: https://doi.org/10.1115/1.4049163

Abstract

View articletitled, Optimal Control of a Compound Rotorcraft for Engine Performance Enhancement

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Topics: Design , Engines , Flight , Flow (Dynamics) , Fuels , Optimization , Propellers , Rotors , Optimal control , Weight (Mass)

New Insights From Conceptual Design of an Additive Manufactured 300 W Microgas Turbine Toward Unmanned Aerial Vehicle Applications

Lukas Badum, Boris Leizeronok, Beni Cukurel

J. Eng. Gas Turbines Power. February 2021, 143(2): 021006. doi: https://doi.org/10.1115/1.4048695

Abstract

View articletitled, New Insights From Conceptual Design of an Additive Manufactured 300 W Microgas Turbine Toward Unmanned Aerial Vehicle Applications

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Topics: Additive manufacturing , Bearings , Compressors , Cycles , Design , Generators , Pressure , Rotors , Temperature , Turbines

On the Mechanism of Spike Stall Inception and Near Stall Nonsynchronous Vibration in an Axial Compressor

Daniel Möller, Heinz-Peter Schiffer

J. Eng. Gas Turbines Power. February 2021, 143(2): 021007. doi: https://doi.org/10.1115/1.4049450

Abstract

View articletitled, On the Mechanism of Spike Stall Inception and Near Stall Nonsynchronous Vibration in an Axial Compressor

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Topics: Blades , Compressors , Flow (Dynamics) , Rotors , Simulation , Stall inception , Pressure , Shear (Mechanics) , Vibration , Fluctuations (Physics)

Assimilation of Experimental Data to Create a Quantitatively Accurate Reduced-Order Thermoacoustic Model

Francesco Garita, Hans Yu, Matthew P. Juniper

J. Eng. Gas Turbines Power. February 2021, 143(2): 021008. doi: https://doi.org/10.1115/1.4048569

Abstract

View articletitled, Assimilation of Experimental Data to Create a Quantitatively Accurate Reduced-Order Thermoacoustic Model

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Topics: Acoustics , Flow (Dynamics) , Oscillations , Thermocouples , Temperature , Pressure , Heat , Momentum , Network models , Boundary layers

Conditioning of Leakage Flows in Gas Turbine Rotor–Stator Cavities

P. W. Darby, A. W. Mesny, G. De Cosmo, M. Carnevale, G. D. Lock, J. A. Scobie, C. M. Sangan

J. Eng. Gas Turbines Power. February 2021, 143(2): 021009. doi: https://doi.org/10.1115/1.4049409

Abstract

View articletitled, Conditioning of Leakage Flows in Gas Turbine Rotor–Stator Cavities

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

The Impact of Exceptional Points on the Reliability of Thermoacoustic Stability Analysis

Felicitas Schaefer, Shuai Guo, Wolfgang Polifke

J. Eng. Gas Turbines Power. February 2021, 143(2): 021010. doi: https://doi.org/10.1115/1.4049351

Abstract

View articletitled, The Impact of Exceptional Points on the Reliability of Thermoacoustic Stability Analysis

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Topics: Eigenvalues , Flames , Stability , Uncertainty , Combustion chambers

Dynamic Model-Based Identification of Cavitation Compliance and Mass Flow Gain Factor in Rocket Engine Turbopump Inducers

Y. Wan, M. Manfredi, A. Pasini, Z. Spakovszky

J. Eng. Gas Turbines Power. February 2021, 143(2): 021011. doi: https://doi.org/10.1115/1.4049015

Abstract

View articletitled, Dynamic Model-Based Identification of Cavitation Compliance and Mass Flow Gain Factor in Rocket Engine Turbopump Inducers

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Topics: Cavitation , Flow (Dynamics) , Surges

On a New Nonlinear Reduced-Order Model for Capturing Internal Resonances in Intentionally Mistuned Cyclic Structures

Samuel Quaegebeur, Benjamin Chouvion, Fabrice Thouverez, Loic Berthe

J. Eng. Gas Turbines Power. February 2021, 143(2): 021012. doi: https://doi.org/10.1115/1.4049138

Abstract

View articletitled, On a New Nonlinear Reduced-Order Model for Capturing Internal Resonances in Intentionally Mistuned Cyclic Structures

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Topics: Resonance , Excitation , Simulation

A New Approach to Modeling Slip and Work Input for Centrifugal Compressors

Herbert M. Harrison, Nicole L. Key

J. Eng. Gas Turbines Power. February 2021, 143(2): 021013. doi: https://doi.org/10.1115/1.4049412

Abstract

View articletitled, A New Approach to Modeling Slip and Work Input for Centrifugal Compressors

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Topics: Compressors , Design , Flow (Dynamics) , Impellers , Modeling , Errors , Mach number , Machinery , Temperature

Scavenge Performance of an Optimized Shallow Sump at Various Flow Conditions

Budi Chandra, Kathy Johnson

J. Eng. Gas Turbines Power. February 2021, 143(2): 021014. doi: https://doi.org/10.1115/1.4049405

Abstract

View articletitled, Scavenge Performance of an Optimized Shallow Sump at Various Flow Conditions

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Topics: Bearings , Engines , Flow (Dynamics) , Drops

Large-Eddy Simulation of Flame Dynamics During the Ignition of a Swirling Injector Unit and Comparison With Experiments

Karl Töpperwien, Félix Collin-Bastiani, Eleonore Riber, Bénédicte Cuenot, Guillaume Vignat, Kevin Prieur, Daniel Durox, Sébastien Candel, Ronan Vicquelin

J. Eng. Gas Turbines Power. February 2021, 143(2): 021015. doi: https://doi.org/10.1115/1.4049297

Abstract

View articletitled, Large-Eddy Simulation of Flame Dynamics During the Ignition of a Swirling Injector Unit and Comparison With Experiments

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Topics: Combustion , Combustion chambers , Ejectors , Evaporation , Flames , Heat , Ignition , Temperature , Flow (Dynamics) , Large eddy simulation

Large Eddy Simulation of a Condensing Wet Steam Turbine Cascade

Pascal Post, Benjamin Winhart, Francesca di Mare

J. Eng. Gas Turbines Power. February 2021, 143(2): 021016. doi: https://doi.org/10.1115/1.4049348

Abstract

View articletitled, Large Eddy Simulation of a Condensing Wet Steam Turbine Cascade

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Topics: Cascades (Fluid dynamics) , Computation , Condensation , Drops , Flow (Dynamics) , Large eddy simulation , Pressure , Reynolds-averaged Navier–Stokes equations , Sensors , Shock (Mechanics)

Coupled Mode Flutter Analysis of Turbomachinery Blades Using an Adaptation of the p–k Method

Matthias Schuff, Virginie Anne Chenaux

J. Eng. Gas Turbines Power. February 2021, 143(2): 021017. doi: https://doi.org/10.1115/1.4048986

Abstract

View articletitled, Coupled Mode Flutter Analysis of Turbomachinery Blades Using an Adaptation of the <em>p</em>–<em>k</em> Method

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Topics: Blades , Flutter (Aerodynamics) , Mode shapes , Damping , Simulation , Turbomachinery , Flow (Dynamics) , Aerodynamics , Fluid-dynamic forces

Development of Experimental and Numerical Methods for the Analysis of Active Clearance Control Systems

Riccardo Da Soghe, Lorenzo Mazzei, Lorenzo Tarchi, Lorenzo Cocchi, Alessio Picchi, Bruno Facchini, Laurent Descamps, Julian Girardeau, Matthieu Simon

J. Eng. Gas Turbines Power. February 2021, 143(2): 021018. doi: https://doi.org/10.1115/1.4049354

Abstract

View articletitled, Development of Experimental and Numerical Methods for the Analysis of Active Clearance Control Systems

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Topics: Clearances (Engineering) , Computational fluid dynamics , Design , Flow (Dynamics) , Heat conduction , Heat transfer , Jets , Pressure , Reynolds number , Reynolds-averaged Navier–Stokes equations

Numerical and Analytical Investigation of Heat Transfer Mechanisms and Flow Phenomena in an Intermediate Pressure Steam Turbine Blading During Startup

Dieter Bohn, Christian Betcher, Karsten Kusterer, Kristof Weidtmann

J. Eng. Gas Turbines Power. February 2021, 143(2): 021019. doi: https://doi.org/10.1115/1.4049352

Abstract

View articletitled, Numerical and Analytical Investigation of Heat Transfer Mechanisms and Flow Phenomena in an Intermediate Pressure Steam Turbine Blading During Startup

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Topics: Flow (Dynamics) , Heat transfer , Pressure , Heat , Blades , Fluids , Steam turbines , Simulation

On the Efficiency of a Conical Underplatform Damper for Turbines

E. Denimal, C. Wong, L. Salles, L. Pesaresi

J. Eng. Gas Turbines Power. February 2021, 143(2): 021020. doi: https://doi.org/10.1115/1.4049665

Abstract

View articletitled, On the Efficiency of a Conical Underplatform Damper for Turbines

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Topics: Dampers , Wedges , Kinematics

Topological Optimization of Under-Platform Dampers With Moving Morphable Components and Global Optimization Algorithm for Nonlinear Frequency Response

E. Denimal, F. El Haddad, C. Wong, L. Salles

J. Eng. Gas Turbines Power. February 2021, 143(2): 021021. doi: https://doi.org/10.1115/1.4049666

Abstract

View articletitled, Topological Optimization of Under-Platform Dampers With Moving Morphable Components and Global Optimization Algorithm for Nonlinear Frequency Response

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Topics: Dampers , Geometry , Optimization , Optimization algorithms , Topology , Blades , Friction

Research Papers

Aero Engine Concepts Beyond 2030: Part 1—The Steam Injecting and Recovering Aero Engine

Aero Engine Concepts Beyond 2030: Part 2—The Free-Piston Composite Cycle Engine

Aero Engine Concepts Beyond 2030: Part 3—Experimental Demonstration of Technological Feasibility

Combined Numerical and Experimental Study on the Use of Gurney Flaps for the Performance Enhancement of NACA0021 Airfoil in Static and Dynamic Conditions

Optimal Control of a Compound Rotorcraft for Engine Performance Enhancement

New Insights From Conceptual Design of an Additive Manufactured 300 W Microgas Turbine Toward Unmanned Aerial Vehicle Applications

On the Mechanism of Spike Stall Inception and Near Stall Nonsynchronous Vibration in an Axial Compressor

Assimilation of Experimental Data to Create a Quantitatively Accurate Reduced-Order Thermoacoustic Model

Conditioning of Leakage Flows in Gas Turbine Rotor–Stator Cavities

The Impact of Exceptional Points on the Reliability of Thermoacoustic Stability Analysis

Dynamic Model-Based Identification of Cavitation Compliance and Mass Flow Gain Factor in Rocket Engine Turbopump Inducers

On a New Nonlinear Reduced-Order Model for Capturing Internal Resonances in Intentionally Mistuned Cyclic Structures

A New Approach to Modeling Slip and Work Input for Centrifugal Compressors

Scavenge Performance of an Optimized Shallow Sump at Various Flow Conditions

Large-Eddy Simulation of Flame Dynamics During the Ignition of a Swirling Injector Unit and Comparison With Experiments

Large Eddy Simulation of a Condensing Wet Steam Turbine Cascade

Coupled Mode Flutter Analysis of Turbomachinery Blades Using an Adaptation of the p–k Method

Development of Experimental and Numerical Methods for the Analysis of Active Clearance Control Systems

Numerical and Analytical Investigation of Heat Transfer Mechanisms and Flow Phenomena in an Intermediate Pressure Steam Turbine Blading During Startup

On the Efficiency of a Conical Underplatform Damper for Turbines

Topological Optimization of Under-Platform Dampers With Moving Morphable Components and Global Optimization Algorithm for Nonlinear Frequency Response

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