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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

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

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

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

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

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

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)

Proceedings Papers

Efficient Passage-Spectral Method for Unsteady Flows Under Stall Conditions

David Romera, Roque Corral

Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A035, June 17–21, 2019

Paper No: GT2019-91661

DOI: https://doi.org/10.1115/GT2019-91661

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Topics: Unsteady flow, Flow (Dynamics), Annulus, Fourier series, Modeling, NASA, Rotors, Blades, Compressors, Leakage

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

Journal Articles

Conceptual Flutter Analysis of Labyrinth Seals Using Analytical Models—Part II: Physical Interpretation

Almudena Vega, Roque Corral

J. Turbomach. December 2018, 140(12): 121007.

Paper No: TURBO-18-1171

DOI: https://doi.org/10.1115/1.4041377

Published Online: October 18, 2018

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Topics: Cavities, Clearances (Engineering), Cycles, Flutter (Aerodynamics), Pressure, Stability, Torsion, Fluids, Oscillating frequencies, Damping

Journal Articles

Conceptual Flutter Analysis of Labyrinth Seals Using Analytical Models—Part I: Theoretical Support

Roque Corral, Almudena Vega

J. Turbomach. December 2018, 140(12): 121006.

Paper No: TURBO-18-1165

DOI: https://doi.org/10.1115/1.4041373

Published Online: October 18, 2018

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Topics: Cavities, Cycles, Flow (Dynamics), Pressure, Stability, Vibration, Flutter (Aerodynamics), Acoustics, Fluids, Torsion

Proceedings Papers

Robust Method to Solve Meanline Equations for Choked Flows

David Cadrecha, Jose M. Chaquet, Roque Corral, Vicente P. Timon

Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A005, June 11–15, 2018

Paper No: GT2018-75362

DOI: https://doi.org/10.1115/GT2018-75362

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Topics: Flow (Dynamics), Algebra, Boundary-value problems, Compressors, Mach number, Numerical analysis

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Journal citation

NARROW

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

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

Incompatible Boundary Conditions in Heat Equation Coupled With Air System Models

Higher-Order Conceptual Model for Labyrinth Seal Flutter

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

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

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

Efficient Passage-Spectral Method for Unsteady Flows Under Stall Conditions

Conceptual Flutter Analysis of Stepped Labyrinth Seals

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

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

Conceptual Flutter Analysis of Labyrinth Seals Using Analytical Models—Part II: Physical Interpretation

Conceptual Flutter Analysis of Labyrinth Seals Using Analytical Models—Part I: Theoretical Support

Robust Method to Solve Meanline Equations for Choked Flows

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