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Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A020, June 13–17, 2022

Paper No: GT2022-84013

DOI: https://doi.org/10.1115/GT2022-84013

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Topics: Noise (Sound), Reynolds-averaged Navier–Stokes equations, Turbulence

Proceedings Papers

Low Reduced Frequency Theory of Airfoils Vibrating in Complex Modes

Roque Corral, Yago Blando, Aitor Pitarch

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, V08AT21A020, June 13–17, 2022

Paper No: GT2022-82704

DOI: https://doi.org/10.1115/GT2022-82704

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Topics: Airfoils, Cycles, Blades, Acoustics, Aerodynamics, Mode shapes, Navier-Stokes equations, Pressure, Resonance, Stability

Proceedings Papers

Non-Linear Flutter Analysis of Labyrinth Seals

Roque Corral, Michele Greco, Luis Matabuena

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

Journal Articles

Nonlinear Stability Analysis of a Generic Fan With Distorted Inflow Using Passage-Spectral Method

David Romera, Roque Corral

J. Turbomach. June 2021, 143(6): 061001.

Paper No: TURBO-20-1296

DOI: https://doi.org/10.1115/1.4050144

Published Online: April 7, 2021

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Topics: Stability, Pressure, Simulation, Annulus, Flow (Dynamics), Rotors, Blades

Journal Articles

Numerical and Experimental Investigation of the Reynolds Number and Reduced Frequency Effects on Low-Pressure Turbine Airfoils

M. Bolinches-Gisbert, David Cadrecha Robles, Roque Corral, Fernando Gisbert

J. Turbomach. February 2021, 143(2): 021004.

Paper No: TURBO-20-1230

DOI: https://doi.org/10.1115/1.4049612

Published Online: February 1, 2021

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Topics: Airfoils, Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Reynolds number, Turbines, Turbulence, Wakes, Bubbles

Proceedings Papers

Nonlinear Stability Analysis of a Generic Fan With Distorted Inflow Using Passage-Spectral Method

David Romera, Roque Corral

Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A038, September 21–25, 2020

Paper No: GT2020-14948

DOI: https://doi.org/10.1115/GT2020-14948

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Topics: Inflow, Stability, Pressure, Annulus, Simulation, Approximation, NASA, Rotors, Blades, Compressors

Proceedings Papers

Numerical and Experimental Investigation of the Reynolds Number and Reduced Frequency Effects on Low-Pressure Turbine Airfoils

Marc Bolinches-Gisbert, David Cadrecha, Roque Corral, Fernando Gisbert

Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A003, September 21–25, 2020

Paper No: GT2020-14224

DOI: https://doi.org/10.1115/GT2020-14224

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Topics: Airfoils, Pressure, Reynolds number, Turbines, Cascades (Fluid dynamics), Unsteady flow, Boundary layers, Graphics processing units, Runge-Kutta methods, Shear (Mechanics)

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

Proceedings Papers

Incompatible Boundary Conditions in Heat Equation Coupled With Air System Models

Jose M. Chaquet, Roque Corral

Proc. ASME. GT2020, Volume 7C: Heat Transfer, V07CT14A001, September 21–25, 2020

Paper No: GT2020-14011

DOI: https://doi.org/10.1115/GT2020-14011

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Topics: Boundary-value problems, Heat, Fluids, Temperature, Air flow, Design, Engineering simulation, Flow (Dynamics), Heat transfer, Melting point

Journal Articles

Efficient Passage-Spectral Method For Unsteady Flows Under Stall Conditions

David Romera, Roque Corral

J. Turbomach. December 2020, 142(12): 121007.

Paper No: TURBO-19-1176

DOI: https://doi.org/10.1115/1.4047934

Published Online: November 16, 2020

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Topics: Annulus, Blades, Flow (Dynamics), Pressure, Rotors, Simulation, Unsteady flow, Compressors, Stall inception, NASA

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

Journal Articles

Prediction of Reynolds Number Effects on Low-Pressure Turbines Using a High-Order ILES Method

M. Bolinches-Gisbert, David Cadrecha Robles, Roque Corral, Fernando Gisbert

J. Turbomach. March 2020, 142(3): 031002.

Paper No: TURBO-19-1248

DOI: https://doi.org/10.1115/1.4045776

Published Online: February 20, 2020

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Topics: Airfoils, Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Reynolds number, Simulation, Turbulence, Wakes, Fluctuations (Physics)

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

Proceedings Papers

Prediction of Reynolds Number Effects on Low-Pressure Turbines Using a High-Order ILES Method

Marc Bolinches-Gisbert, David Cadrecha Robles, Roque Corral, Fernando Gisbert

Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A023, June 17–21, 2019

Paper No: GT2019-91346

DOI: https://doi.org/10.1115/GT2019-91346

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Topics: Pressure, Reynolds number, Turbines, Boundary layers, Wakes, Engineering simulation, Fluctuations (Physics), Simulation, Airfoils, Cascades (Fluid dynamics)

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Manuscript

NON-LINEAR FLUTTER ANALYSIS OF LABYRINTH SEALS

Low Reduced Frequency Theory of Airfoils Vibrating in Complex Modes

Validation of Broadband Noise Prediction Methodology Based on Linearised Navier-Stokes Analyses

Low Reduced Frequency Theory of Airfoils Vibrating in Complex Modes

Non-Linear Flutter Analysis of Labyrinth Seals

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

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

Higher Order Conceptual Model for Labyrinth Seal Flutter

Nonlinear Stability Analysis of a Generic Fan With Distorted Inflow Using Passage-Spectral Method

Numerical and Experimental Investigation of the Reynolds Number and Reduced Frequency Effects on Low-Pressure Turbine Airfoils

Nonlinear Stability Analysis of a Generic Fan With Distorted Inflow Using Passage-Spectral Method

Numerical and Experimental Investigation of the Reynolds Number and Reduced Frequency Effects on Low-Pressure Turbine Airfoils

Higher-Order Conceptual Model for Labyrinth Seal Flutter

Incompatible Boundary Conditions in Heat Equation Coupled With Air System Models

Efficient Passage-Spectral Method For Unsteady Flows Under Stall Conditions

Conceptual Flutter Analysis of Stepped Labyrinth Seals

Prediction of Reynolds Number Effects on Low-Pressure Turbines Using a High-Order ILES Method

Conceptual Flutter Analysis of Stepped Labyrinth Seals

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

Prediction of Reynolds Number Effects on Low-Pressure Turbines Using a High-Order ILES Method

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