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Shreyas Hegde
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Proceedings Papers

Improved Strain-Energy Based Mistuning Models Part I: Motivation, Approach, and Understanding

Shreyas Hegde, Andrew Madden, Robert Kielb
Proc. ASME. GT2023, Volume 11A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics, V11AT21A001, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100678
https://doi.org/10.1115/GT2023-100678
View Paper titled, Improved Strain-Energy Based Mistuning Models Part I: Motivation, Approach, and Understanding
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Topics: Blades, Compressors, Coordinate measuring machines, Disks, Physics, Resonance, Rotors, Structural dynamics, Turbomachinery
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
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2023, 145(5): 051004.
Paper No: GTP-22-1389
https://doi.org/10.1115/1.4055832
Published Online: December 20, 2022
View Article titled, Effect of System Mode and Structural Damping Perturbation on the Mistuned Forced Response and Aerodynamic Damping of Embedded Compressor Rotors
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Topics: Blades, Compressors, Damping, Flutter (Aerodynamics), Rotors
Proceedings Papers

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

Shreyas Hegde, Laith Zori, Rubens Campregher, Robert Kielb
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A004, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78101
https://doi.org/10.1115/GT2022-78101
View Paper titled, Impact of Aerodynamic Asymmetry on the Embedded Rotor Forcing and Mistuned Blade Response
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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
Proc. ASME. GT2022, Volume 10D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Turbomachinery General Interest; Unsteady Flows in Turbomachinery, V10DT37A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-78033
https://doi.org/10.1115/GT2022-78033
View Paper titled, 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
Open the PDF for 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 in another window
Topics: Compressors, Computational fluid dynamics, Excitation, 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
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79761
https://doi.org/10.1115/GT2022-79761
View Paper titled, Effect of System Mode and Structural Damping Perturbation on the Mistuned Forced Response and Aerodynamic Damping of Embedded Compressor Rotors
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Topics: Compressors, Damping, Rotors
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
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58779
https://doi.org/10.1115/GT2021-58779
View Paper titled, Influence of Stator Hub Cavities on the Forced Response Behaviour of an Embedded Compressor Rotor
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58780
https://doi.org/10.1115/GT2021-58780
View Paper titled, Influence of Disc Modes and Sideband Excitations on the Mistuned Forced Response Behaviour of an Embedded Compressor Rotor
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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
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-14482
https://doi.org/10.1115/GT2020-14482
View Paper titled, Impact of Multi-Row Aerodynamic Interaction on the Forced Response Behaviour of an Embedded Compressor Rotor
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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
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2019, 141(9): 091013.
Paper No: TURBO-18-1340
https://doi.org/10.1115/1.4044212
Published Online: August 1, 2019
View Article titled, Separation of Up and Downstream Forced Response Excitations of an Embedded Compressor Rotor
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Topics: Blades, Compressors, Excitation, Pressure, Reflection, Rotors, Simulation, Stators, Waves, Wakes
Proceedings Papers

Influence of Rotor-Stator Interaction and Reflecting Boundary Conditions on Compressor Forced Response

Zhiping Mao, Shreyas Hegde, Tianyu Pan, Robert E. Kielb, Laith Zori, Rubens Campregher
Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT45A004, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75232
https://doi.org/10.1115/GT2018-75232
View Paper titled, Influence of Rotor-Stator Interaction and Reflecting Boundary Conditions on Compressor Forced Response
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Topics: Boundary-value problems, Compressors, Rotors, Stators, Inlet guide vanes, Blades, Reflection, Simulation, Computation, Energy transformation