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Journal Articles

Effect of System Mode and Structural Damping Perturbation on the Mistuned Forced Response and Aerodynamic Damping of Embedded Compressor Rotors

Shreyas Hegde, Jonathan D. Inge, Robert Kielb

J. Eng. Gas Turbines Power. May 2023, 145(5): 051004.

Paper No: GTP-22-1389

DOI: https://doi.org/10.1115/1.4055832

Published Online: December 20, 2022

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Topics: Blades, Compressors, Damping, Flutter (Aerodynamics), Rotors

Proceedings Papers

Effect of System Mode and Structural Damping Perturbation on the Mistuned Forced Response and Aerodynamic Damping of Embedded Compressor Rotors

Shreyas Hegde, Jonathan D. Inge, Robert Kielb

Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT21A003, June 13–17, 2022

Paper No: GT2022-79761

DOI: https://doi.org/10.1115/GT2022-79761

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Topics: Compressors, Damping, Rotors

Proceedings Papers

A Fluid-Structure Interaction Tool Using a Van der Pol Based Reduced-Order Model for Buffet and Non-Synchronous Vibrations

Richard Hollenbach, Robert Kielb, Kenneth Hall

Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A007, June 13–17, 2022

Paper No: GT2022-80277

DOI: https://doi.org/10.1115/GT2022-80277

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Topics: Fluid structure interaction, Vibration

Proceedings Papers

Impact of Aerodynamic Asymmetry on the Embedded Rotor Forcing and Mistuned Blade Response

Shreyas Hegde, Laith Zori, Rubens Campregher, Robert Kielb

Paper No: GT2022-78101

DOI: https://doi.org/10.1115/GT2022-78101

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Topics: Blades, Compressors, Computational fluid dynamics, Rotors, Stators, Engineering simulation, Simulation, Waves, Disks, Reflection

Proceedings Papers

Impact of Upstream and Downstream Excitation and Multi-Row Interaction on the Mistuned Forced Response Behavior of an Embedded Compressor Rotor: Higher-Order Mode Aeromechanics

Shreyas Hegde, Laith Zori, Rubens Campregher, Robert Kielb

Paper No: GT2022-78033

DOI: https://doi.org/10.1115/GT2022-78033

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Topics: Compressors, Computational fluid dynamics, Excitation, Rotors

Proceedings Papers

An Improved Preliminary Design Tool for Turbomachinery Blades Using Van der Pol Based Reduced-Order Model for Non-Synchronous Vibrations

Richard Hollenbach, Robert Kielb, Kenneth Hall

Paper No: GT2022-83391

DOI: https://doi.org/10.1115/GT2022-83391

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Topics: Blades, Design, Fluid structure interaction, Turbomachinery, Vibration

Journal Articles

A Fluid–Structure Interaction Tool Using a Van der Pol-Based Reduced-Order Model for Buffet and Nonsynchronous Vibrations

Richard Hollenbach, Robert Kielb, Kenneth Hall

J. Turbomach. January 2023, 145(1): 011009.

Paper No: TURBO-22-1189

DOI: https://doi.org/10.1115/1.4055447

Published Online: October 7, 2022

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Topics: Cycles, Cylinders, Fluid structure interaction, Fluids, Locks (Waterways), Oscillations, Phase shift, Simulation, Vibration, Turbomachinery

Journal Articles

Extending a Van Der Pol-Based Reduced-Order Model for Fluid–Structure Interaction Applied to Non-Synchronous Vibrations in Turbomachinery

Richard Hollenbach, Robert Kielb, Kenneth Hall

J. Turbomach. March 2022, 144(3): 031006.

Paper No: TURBO-21-1165

DOI: https://doi.org/10.1115/1.4052405

Published Online: October 4, 2021

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Topics: Cylinders, Design, Errors, Fluid structure interaction, Fluids, Locks (Waterways), Stiffness, System identification, Turbomachinery, Vibration

Proceedings Papers

Extending a Van der Pol Based Reduced-Order Model for Fluid-Structure Interaction Applied to Non-Synchronous Vibrations in Turbomachinery

Richard Hollenbach, Robert Kielb, Kenneth Hall

Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT34A008, June 7–11, 2021

Paper No: GT2021-58965

DOI: https://doi.org/10.1115/GT2021-58965

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Topics: Fluid structure interaction, Turbomachinery, Vibration

Proceedings Papers

Influence of Stator Hub Cavities on the Forced Response Behaviour of an Embedded Compressor Rotor

Shreyas Hegde, Robert Kielb, Laith Zori, Rubens Campregher

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A002, June 7–11, 2021

Paper No: GT2021-58779

DOI: https://doi.org/10.1115/GT2021-58779

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Topics: Cavities, Compressors, Rotors, Stators

Proceedings Papers

Influence of Disc Modes and Sideband Excitations on the Mistuned Forced Response Behaviour of an Embedded Compressor Rotor

Shreyas Hegde, Andrew Madden, Robert Kielb

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A003, June 7–11, 2021

Paper No: GT2021-58780

DOI: https://doi.org/10.1115/GT2021-58780

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Topics: Compressors, Coordinate measuring machines, Disks, Excitation, Rotors

Proceedings Papers

Impact of Multi-Row Aerodynamic Interaction on the Forced Response Behaviour of an Embedded Compressor Rotor

Shreyas Hegde, Robert Kielb, Laith Zori, Rubens Campregher

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A012, September 21–25, 2020

Paper No: GT2020-14482

DOI: https://doi.org/10.1115/GT2020-14482

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Topics: Compressors, Rotors

Journal Articles

Separation of Up and Downstream Forced Response Excitations of an Embedded Compressor Rotor

Shreyas Hegde, Zhiping Mao, Tianyu Pan, Laith Zori, Rubens Campregher, Robert Kielb

J. Turbomach. September 2019, 141(9): 091013.

Paper No: TURBO-18-1340

DOI: https://doi.org/10.1115/1.4044212

Published Online: August 1, 2019

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Topics: Blades, Compressors, Excitation, Pressure, Reflection, Rotors, Simulation, Stators, Waves, Wakes

Journal Articles

Mistuned Higher-Order Mode Forced Response of an Embedded Compressor Rotor—Part II: Mistuned Forced Response Prediction

Jing Li, Nyansafo Aye-Addo, Robert Kielb, Nicole Key

J. Turbomach. March 2018, 140(3): 031006.

Paper No: TURBO-17-1210

DOI: https://doi.org/10.1115/1.4038519

Published Online: December 20, 2017

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Topics: Blades, Compressors, Coordinate measuring machines, Rotors, Eigenvalues, Sensitivity analysis

Proceedings Papers

Mistuned Higher-Order Mode Forced Response of an Embedded Compressor Rotor: Part I — Steady and Unsteady Aerodynamics

Jing Li, Nyansafo Aye-Addo, Nicholas Kormanik, III, Douglas Matthews, Nicole Key, Robert Kielb

Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT36A021, June 26–30, 2017

Paper No: GT2017-64633

DOI: https://doi.org/10.1115/GT2017-64633

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Topics: Aerodynamics, Compressors, Rotors, Stators, Resonance, Engineering simulation, Impulse (Physics), Industrial design, Leakage flows, Numerical analysis

Proceedings Papers

Mistuned Higher-Order Mode Forced Response of an Embedded Compressor Rotor: Part II — Mistuned Forced Response Prediction

Jing Li, Nyansafo Aye-Addo, Robert Kielb, Nicole Key

Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT36A023, June 26–30, 2017

Paper No: GT2017-64647

DOI: https://doi.org/10.1115/GT2017-64647

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Topics: Compressors, Rotors, Blades, Coordinate measuring machines, Density, Measurement systems, Resonance, Sensitivity analysis, Stators, Stress

Proceedings Papers

Forcing Superposition and Decomposition of an Embedded Compressor Rotor

Jing Li, Robert Kielb

Proc. ASME. GT2017, Volume 7B: Structures and Dynamics, V07BT36A024, June 26–30, 2017

Paper No: GT2017-64657

DOI: https://doi.org/10.1115/GT2017-64657

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Topics: Compressors, Rotors, Stators, Computational fluid dynamics, Approximation, Excitation

Proceedings Papers

Flutter of Low Pressure Turbine Blades With Cyclic Symmetric Modes: A Preliminary Design Method

Robert Kielb, John Barter, Olga Chernysheva, Torsten Fransson

Proc. ASME. GT2003, Volume 4: Turbo Expo 2003, 423-428, June 16–19, 2003

Paper No: GT2003-38694

DOI: https://doi.org/10.1115/GT2003-38694

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Topics: Design methodology, Flutter (Aerodynamics), Pressure, Turbine blades, Mode shapes, Blades, Rotation, Turbines, Vibration analysis

Journal Articles

Flutter of Low Pressure Turbine Blades With Cyclic Symmetric Modes: A Preliminary Design Method

Robert Kielb, Jack Barter, Olga Chernycheva, Torsten Fransson

J. Turbomach. April 2004, 126(2): 306–309.

DOI: https://doi.org/10.1115/1.1650380

Published Online: June 15, 2004

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Topics: Blades, Design methodology, Flutter (Aerodynamics), Mode shapes, Pressure, Turbine blades, Traveling waves, Turbines, Computational fluid dynamics, Rotation

Journal citation

NARROW

Effect of System Mode and Structural Damping Perturbation on the Mistuned Forced Response and Aerodynamic Damping of Embedded Compressor Rotors

Effect of System Mode and Structural Damping Perturbation on the Mistuned Forced Response and Aerodynamic Damping of Embedded Compressor Rotors

A Fluid-Structure Interaction Tool Using a Van der Pol Based Reduced-Order Model for Buffet and Non-Synchronous Vibrations

Impact of Aerodynamic Asymmetry on the Embedded Rotor Forcing and Mistuned Blade Response

Impact of Upstream and Downstream Excitation and Multi-Row Interaction on the Mistuned Forced Response Behavior of an Embedded Compressor Rotor: Higher-Order Mode Aeromechanics

An Improved Preliminary Design Tool for Turbomachinery Blades Using Van der Pol Based Reduced-Order Model for Non-Synchronous Vibrations

A Fluid–Structure Interaction Tool Using a Van der Pol-Based Reduced-Order Model for Buffet and Nonsynchronous Vibrations

Extending a Van Der Pol-Based Reduced-Order Model for Fluid–Structure Interaction Applied to Non-Synchronous Vibrations in Turbomachinery

Extending a Van der Pol Based Reduced-Order Model for Fluid-Structure Interaction Applied to Non-Synchronous Vibrations in Turbomachinery

Influence of Stator Hub Cavities on the Forced Response Behaviour of an Embedded Compressor Rotor

Influence of Disc Modes and Sideband Excitations on the Mistuned Forced Response Behaviour of an Embedded Compressor Rotor

Impact of Multi-Row Aerodynamic Interaction on the Forced Response Behaviour of an Embedded Compressor Rotor

Separation of Up and Downstream Forced Response Excitations of an Embedded Compressor Rotor

Mistuned Higher-Order Mode Forced Response of an Embedded Compressor Rotor—Part II: Mistuned Forced Response Prediction

Mistuned Higher-Order Mode Forced Response of an Embedded Compressor Rotor: Part I — Steady and Unsteady Aerodynamics

Mistuned Higher-Order Mode Forced Response of an Embedded Compressor Rotor: Part II — Mistuned Forced Response Prediction

Forcing Superposition and Decomposition of an Embedded Compressor Rotor

Flutter of Low Pressure Turbine Blades With Cyclic Symmetric Modes: A Preliminary Design Method

Flutter of Low Pressure Turbine Blades With Cyclic Symmetric Modes: A Preliminary Design Method

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