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Journal Articles

Nonlinear Flutter Analysis of Labyrinth Seals

Roque Corral, Michele Greco, Luis Matabuena

J. Turbomach. July 2023, 145(7): 071007.

Paper No: TURBO-22-1326

DOI: https://doi.org/10.1115/1.4056701

Published Online: February 10, 2023

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Topics: Cavities, Clearances (Engineering), Cycles, Flutter (Aerodynamics), Pressure, Stability, Vibration, Flow (Dynamics), Torsion

Proceedings Papers

Non-Linear Flutter Analysis of Labyrinth Seals

Roque Corral, Michele Greco, Luis Matabuena

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, V08AT21A014, June 13–17, 2022

Paper No: GT2022-82142

DOI: https://doi.org/10.1115/GT2022-82142

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Topics: Flutter (Aerodynamics), Vibration, Stability, Clearances (Engineering), Cycles, High pressure (Physics), Momentum, Pressure

Journal Articles

Effective Clearance and Differential Gapping Impact on Seal Flutter Modeling and Validation

Roque Corral, Michele Greco, Almudena Vega

J. Turbomach. July 2022, 144(7): 071010.

Paper No: TURBO-21-1238

DOI: https://doi.org/10.1115/1.4053290

Published Online: March 2, 2022

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Topics: Cavities, Kinetic energy, Pressure, Stability, Clearances (Engineering), Simulation, Flutter (Aerodynamics), Flow (Dynamics), Discharge coefficient, Computational fluid dynamics

Proceedings Papers

Effective Clearance And Differential Gapping Impact on Seal Flutter Modelling and Validation

Roque Corral, Michele Greco, Almudena Vega

Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT23A006, June 7–11, 2021

Paper No: GT2021-58846

DOI: https://doi.org/10.1115/GT2021-58846

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Topics: Clearances (Engineering), Flutter (Aerodynamics), Modeling, Stability, Accounting, Cavities, Computer simulation, Engineering simulation, Kinetic energy, Navier-Stokes equations

Journal Articles

Higher Order Conceptual Model for Labyrinth Seal Flutter

Roque Corral, Michele Greco, Almudena Vega

J. Turbomach. July 2021, 143(7): 071006.

Paper No: TURBO-20-1261

DOI: https://doi.org/10.1115/1.4050334

Published Online: April 9, 2021

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Topics: Cavities, Computational fluid dynamics, Cycles, Flow (Dynamics), Flutter (Aerodynamics), Pressure, Stability, Torsion, Simulation, Vibration

Proceedings Papers

Higher-Order Conceptual Model for Labyrinth Seal Flutter

Roque Corral, Michele Greco, Almudena Vega

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A003, September 21–25, 2020

Paper No: GT2020-14387

DOI: https://doi.org/10.1115/GT2020-14387

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Topics: Flutter (Aerodynamics), Cavities, Flow (Dynamics), High pressure (Physics), Cycles, Design, Engineering simulation, Simulation, Stability, Torsion

Journal Articles

Conceptual Flutter Analysis of Stepped Labyrinth Seals

Roque Corral, Almudena Vega, Michele Greco

J. Eng. Gas Turbines Power. July 2020, 142(7): 071001.

Paper No: GTP-19-1745

DOI: https://doi.org/10.1115/1.4046419

Published Online: June 12, 2020

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Topics: Cavities, Cycles, Flutter (Aerodynamics), Pressure, Stability, Torsion

Proceedings Papers

Conceptual Flutter Analysis of Stepped Labyrinth Seals

Roque Corral, Almudena Vega, Michele Greco

Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT36A021, June 17–21, 2019

Paper No: GT2019-91621

DOI: https://doi.org/10.1115/GT2019-91621

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Topics: Flutter (Aerodynamics), Torsion, Stability, Acoustics, Cycles, Damping, Displacement, Pressure

Proceedings Papers

Tip-Shroud Labyrinth Seal Effect on the Flutter Stability of Turbine Rotor Blades

Roque Corral, Michele Greco, Almudena Vega

Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT36A017, June 17–21, 2019

Paper No: GT2019-91489

DOI: https://doi.org/10.1115/GT2019-91489

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Topics: Blades, Flutter (Aerodynamics), Rotors, Stability, Turbines, Airfoils, Cavities, Computer simulation, Cycles, Gas turbines

Journal Articles

Tip-Shroud Labyrinth Seal Effect on the Flutter Stability of Turbine Rotor Blades

Roque Corral, Michele Greco, Almudena Vega

J. Turbomach. October 2019, 141(10): 101006.

Paper No: TURBO-18-1336

DOI: https://doi.org/10.1115/1.4043962

Published Online: September 25, 2019

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Topics: Airfoils, Blades, Cavities, Damping, Flow (Dynamics), Flutter (Aerodynamics), Pressure, Rotors, Stability, Turbines