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Volume 147, Issue 6

June 2025

In Progress

Previous Issue

ISSN 0742-4795

EISSN 1528-8919

In this Issue

Research Papers

Research Papers

Validation of a Methodology to Assess the Flutter Limit-Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed Disks—Part I: Mach Number Effects

Alvaro Escudero, Salvador Rodríguez-Blanco, Roque Corral

J. Eng. Gas Turbines Power. June 2025, 147(6): 061001. doi: https://doi.org/10.1115/1.4066587

Abstracts

View articletitled, Validation of a Methodology to Assess the Flutter Limit-Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed Disks—Part I: Mach Number Effects

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Topics: Blades , Flutter (Aerodynamics) , Mach number , Pressure , Rotors , Vibration , Cycles , Damping , Design , Turbines

Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed Disks—Part II: Rotational Speed Effects

Alvaro Escudero, Salvador Rodríguez-Blanco, Roque Corral

J. Eng. Gas Turbines Power. June 2025, 147(6): 061002. doi: https://doi.org/10.1115/1.4066584

Abstracts

View articletitled, Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed Disks—Part II: Rotational Speed Effects

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Topics: Blades , Flutter (Aerodynamics) , Pressure , Rotors , Vibration , Damping , Turbines , Friction , Mach number , Bladed disks

Numerical Study of Low Engine Order Excitations Due to Manufacturing Variability Part I: Characterization of the Geometric Scatter and Its Effect on Forced Response

Óscar Pérez Escobar, Vicente Timón, Juan Manuel Gallardo

J. Eng. Gas Turbines Power. June 2025, 147(6): 061003. doi: https://doi.org/10.1115/1.4066585

Abstract

View articletitled, Numerical Study of Low Engine Order Excitations Due to Manufacturing Variability Part I: Characterization of the Geometric Scatter and Its Effect on Forced Response

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Topics: Airfoils , Electromagnetic scattering , Engines , Geometry , Manufacturing , Vibration , Rotors , Excitation , Design , Blades

Numerical Study of Low Engine Order Excitations Due to Manufacturing Variability Part II: An Efficient Approach for Stochastic Studies

Juan Manuel Gallardo, Óscar Pérez Escobar

J. Eng. Gas Turbines Power. June 2025, 147(6): 061004. doi: https://doi.org/10.1115/1.4066538

Abstract

View articletitled, Numerical Study of Low Engine Order Excitations Due to Manufacturing Variability Part II: An Efficient Approach for Stochastic Studies

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Topics: Airfoils , Blades , Computational fluid dynamics , Electromagnetic scattering , Engines , Excitation , Flow (Dynamics) , Geometry , Manufacturing , Simulation

Modeling of Casing Containment in an Overspeeding Turbine Stage

Ibrahim Eryilmaz

J. Eng. Gas Turbines Power. June 2025, 147(6): 061005. doi: https://doi.org/10.1115/1.4066710

Abstract

View articletitled, Modeling of Casing Containment in an Overspeeding Turbine Stage

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Topics: Blades , Containment , Turbines , Failure , Fins

Rotordynamics of a Single-Stage Brush Seal in Isolation: The Effects of Variable Stiffness and Back Plate Geometry

Joshua Bird, Patrick S. Keogh, Carl M. Sangan, Aaron A. Bowsher, Peter F. Crudgington, James A. Scobie

J. Eng. Gas Turbines Power. June 2025, 147(6): 061006. doi: https://doi.org/10.1115/1.4066711

Abstract

View articletitled, Rotordynamics of a Single-Stage Brush Seal in Isolation: The Effects of Variable Stiffness and Back Plate Geometry

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Topics: Damping , Excitation , Leakage , Pressure , Stiffness , Rotors , Pressure drop , Test facilities , Geometry

On a New Cyclic Symmetry Formulation Accounting for Boundaries Undergoing Nonlinear Forces

Samuel Quaegebeur, Fabrice Thouverez

J. Eng. Gas Turbines Power. June 2025, 147(6): 061007. doi: https://doi.org/10.1115/1.4066605

Abstract

View articletitled, On a New Cyclic Symmetry Formulation Accounting for Boundaries Undergoing Nonlinear Forces

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Topics: Blades , Displacement , Excitation , Finite element model , Friction , Standing waves , Frequency response , Accounting , Traveling waves , Shapes

V-Spline Design for Enhanced Performance in Turbine Blade Internal Cooling

Symus Say, Adamya Singh Dhaker, Wai Tuck Chow

J. Eng. Gas Turbines Power. June 2025, 147(6): 061008. doi: https://doi.org/10.1115/1.4066828

Abstract

View articletitled, V-Spline Design for Enhanced Performance in Turbine Blade Internal Cooling

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Topics: Cooling , Creep , Design , Fatigue , Flow (Dynamics) , Fluids , Heat transfer , Splines , Temperature , Turbine blades

Field Performance Testing and Test Codes for Gas Compressors

Klaus Brun, Rainer Kurz

J. Eng. Gas Turbines Power. June 2025, 147(6): 061009. doi: https://doi.org/10.1115/1.4066823

Abstract

View articletitled, Field Performance Testing and Test Codes for Gas Compressors

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Topics: Compressors , Flow (Dynamics) , Pressure , Testing performance , Uncertainty , Gas compressors , Temperature , Errors

Fatigue Failure of Steam Turbine Disks—A Centenary Tribute to Wilfred Campbell

Vamadevan Gowreesan, Kirill Grebinnyk, Mahesh Pemmasani Ramamoorthy

J. Eng. Gas Turbines Power. June 2025, 147(6): 061010. doi: https://doi.org/10.1115/1.4066601

Abstract

View articletitled, Fatigue Failure of Steam Turbine Disks—A Centenary Tribute to Wilfred Campbell

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Topics: Blades , Design , Disks , Steam turbines , Fracture (Materials) , Failure , Bladed disks

Effects of Recess Depth and Orifice Diameter on Pneumatic Hammer Instability in Hydrostatic Thrust Bearings: Analysis and Experimental Validation

Homin Lim, Kyuman Kim, Keun Ryu

J. Eng. Gas Turbines Power. June 2025, 147(6): 061011. doi: https://doi.org/10.1115/1.4066780

Abstract

View articletitled, Effects of Recess Depth and Orifice Diameter on Pneumatic Hammer Instability in Hydrostatic Thrust Bearings: Analysis and Experimental Validation

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Topics: Bearings , Film thickness , Hammers , Hydrostatics , Stress , Thrust bearings , Damping , Pressure

Laser Powder Bed Fusion Manufactured Hydrostatic Journal Bearings for Turbomachinery: Design and Measurements of Static Load Testing With Air, Water, and Liquid Nitrogen

Chaeyeon Baek, Hyunsung Jung, Junwon Heo, Kyuman Kim, Keun Ryu

J. Eng. Gas Turbines Power. June 2025, 147(6): 061012. doi: https://doi.org/10.1115/1.4066781

Abstract

View articletitled, Laser Powder Bed Fusion Manufactured Hydrostatic Journal Bearings for Turbomachinery: Design and Measurements of Static Load Testing With Air, Water, and Liquid Nitrogen

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Topics: Bearings , Journal bearings , Nitrogen , Stress , Water , Hydrostatics , Flow (Dynamics) , Manufacturing , Fluids , Design

Interplay Between Unburned Emissions and NO_x Emissions From a Dual Swirl Hydrogen Air Injector

Hervé Magnes, Martin Vilespy, Laurent Selle, Thierry Poinsot, Thierry Schuller

J. Eng. Gas Turbines Power. June 2025, 147(6): 061013. doi: https://doi.org/10.1115/1.4066717

Abstracts

View articletitled, Interplay Between Unburned Emissions and NO<sub>x</sub> Emissions From a Dual Swirl Hydrogen Air Injector

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Topics: Combustion , Ejectors , Emissions , Flames , Hydrogen , Nitrogen oxides , Flow (Dynamics)

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Research Papers

Validation of a Methodology to Assess the Flutter Limit-Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed Disks—Part I: Mach Number Effects

Validation of a Methodology to Assess the Flutter Limit Cycle Oscillation Amplitude of Low-Pressure Turbine Bladed Disks—Part II: Rotational Speed Effects

Numerical Study of Low Engine Order Excitations Due to Manufacturing Variability Part I: Characterization of the Geometric Scatter and Its Effect on Forced Response

Numerical Study of Low Engine Order Excitations Due to Manufacturing Variability Part II: An Efficient Approach for Stochastic Studies

Modeling of Casing Containment in an Overspeeding Turbine Stage

Rotordynamics of a Single-Stage Brush Seal in Isolation: The Effects of Variable Stiffness and Back Plate Geometry

On a New Cyclic Symmetry Formulation Accounting for Boundaries Undergoing Nonlinear Forces

V-Spline Design for Enhanced Performance in Turbine Blade Internal Cooling

Field Performance Testing and Test Codes for Gas Compressors

Fatigue Failure of Steam Turbine Disks—A Centenary Tribute to Wilfred Campbell

Effects of Recess Depth and Orifice Diameter on Pneumatic Hammer Instability in Hydrostatic Thrust Bearings: Analysis and Experimental Validation

Laser Powder Bed Fusion Manufactured Hydrostatic Journal Bearings for Turbomachinery: Design and Measurements of Static Load Testing With Air, Water, and Liquid Nitrogen

Interplay Between Unburned Emissions and NO_x Emissions From a Dual Swirl Hydrogen Air Injector

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