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Raúl Vázquez
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Proceedings Papers

Transitional Flows Within Cooled HP Turbines

Christopher J. Clark, Nicholas R. Atkins, Mark Stokes, Raul Vazquez-Diaz
Proc. ASME. GT2024, Volume 12B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing, V12BT30A019, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-124918
https://doi.org/10.1115/GT2024-124918
View Paper titled, Transitional Flows Within Cooled HP Turbines
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Topics: Flow (Dynamics), Turbines
Proceedings Papers

Applications and Recent Developments of the Open-Source Computational Fluid Dynamics High-Fidelity Spectral/Hp Element Framework Nektar++ for Turbomachinery Configurations

Guglielmo Vivarelli, João Anderson Isler, Francesco Montomoli, Chris Cantwell, Spencer J. Sherwin, Yuri Frey-Marioni, Raul Vazquez-Diaz
Proc. ASME. GT2024, Volume 12C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V12CT32A022, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-125039
https://doi.org/10.1115/GT2024-125039
View Paper titled, Applications and Recent Developments of the Open-Source Computational Fluid Dynamics High-Fidelity Spectral/Hp Element Framework Nektar++ for Turbomachinery Configurations
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Topics: Computational fluid dynamics, Turbomachinery, Hardware, Blades, Boundary layers, Computer simulation, Degrees of freedom, Design, Engines, Flat plates
Proceedings Papers

Physics-Driven Priors for Improved Spatial Models and Averages

Pranay Seshadri, Andrew B. Duncan, George Thorne, Raul Vazquez
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT34A019, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103625
https://doi.org/10.1115/GT2023-103625
View Paper titled, Physics-Driven Priors for Improved Spatial Models and Averages
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Topics: Physics, Engines, Engineering simulation, Simulation
Proceedings Papers

Development of Machine-Learnt Turbulence Closures for Wake Mixing Predictions in Low-Pressure Turbines

Yuri Frey Marioni, Paolo Adami, Raul Vazquez Diaz, Andrea Cassinelli, Spencer Sherwin, Francesco Montomoli
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT32A032, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82531
https://doi.org/10.1115/GT2022-82531
View Paper titled, Development of Machine-Learnt Turbulence Closures for Wake Mixing Predictions in Low-Pressure Turbines
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Topics: Machinery, Pressure, Turbines, Turbulence, Wakes, Artificial neural networks, Aircraft engines, Algebra, Flow (Dynamics), Kinetic energy
Proceedings Papers

On the Effect of Inflow Disturbances on the Flow Past a Linear LPT Vane Using Spectral/hp Element Methods

Andrea Cassinelli, Hui Xu, Francesco Montomoli, Paolo Adami, Raul Vazquez Diaz, Spencer J. Sherwin
Proc. ASME. GT2019, Volume 2C: Turbomachinery, V02CT41A032, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91622
https://doi.org/10.1115/GT2019-91622
View Paper titled, On the Effect of Inflow Disturbances on the Flow Past a Linear LPT Vane Using Spectral/hp Element Methods
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Topics: Flow (Dynamics), Inflow, Cascades (Fluid dynamics), Blades, Computer software, Momentum, Turbulence, Boundary layers, Computational fluid dynamics, Design
Journal Articles

The Effect of Surface Roughness on Efficiency of Low Pressure Turbines

Raúl Vázquez, Diego Torre
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. June 2014, 136(6): 061008.
Paper No: TURBO-13-1105
https://doi.org/10.1115/1.4025571
Published Online: November 19, 2013
View Article titled, The Effect of Surface Roughness on Efficiency of Low Pressure Turbines
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Topics: Airfoils, Flow (Dynamics), Pressure, Reynolds number, Surface roughness, Turbines, Stators
Journal Articles

The Effect of Airfoil Clocking on Efficiency and Noise of Low Pressure Turbines

Raúl Vázquez, Diego Torre, Adolfo Serrano
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. June 2014, 136(6): 061006.
Paper No: TURBO-13-1106
https://doi.org/10.1115/1.4025572
Published Online: November 15, 2013
View Article titled, The Effect of Airfoil Clocking on Efficiency and Noise of Low Pressure Turbines
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Topics: Airfoils, Noise (Sound), Pressure, Stators, Turbines, Instrumentation
Proceedings Papers

The Effect of Airfoil Clocking on Efficiency and Noise of Low Pressure Turbines

Raúl Vázquez, Diego Torre, Adolfo Serrano
Proc. ASME. GT2013, Volume 6A: Turbomachinery, V06AT36A008, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94243
https://doi.org/10.1115/GT2013-94243
View Paper titled, The Effect of Airfoil Clocking on Efficiency and Noise of Low Pressure Turbines
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Topics: Airfoils, Noise (Sound), Pressure, Turbines, Stators, Acoustics, Blades, Design, Ducts, Instrumentation
Proceedings Papers

Application of Smith Chart for Non-Repeating Stages in Axial Compressors

Daniel Hernández, Antonio Antoranz, Raúl Vázquez
Proc. ASME. GT2013, Volume 6A: Turbomachinery, V06AT35A002, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94199
https://doi.org/10.1115/GT2013-94199
View Paper titled, Application of Smith Chart for Non-Repeating Stages in Axial Compressors
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Topics: Compressors, Design, Annulus, Flow (Dynamics), Airfoils, Density, Diffusion (Physics), Geometry, Optimization, Reynolds number
Proceedings Papers

The Effect of Surface Roughness on Efficiency of Low Pressure Turbines

Raúl Vázquez, Diego Torre
Proc. ASME. GT2013, Volume 6A: Turbomachinery, V06AT36A007, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-94200
https://doi.org/10.1115/GT2013-94200
View Paper titled, The Effect of Surface Roughness on Efficiency of Low Pressure Turbines
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Topics: Pressure, Surface roughness, Turbines, Airfoils, Stators, Blades, Design, Finishes, Flow (Dynamics), Instrumentation
Journal Articles

The Effect of Airfoil Thickness on the Efficiency of Low-Pressure Turbines

Diego Torre, Raúl Vázquez, Leyre Armañanzas, Fernando Partida, Guillermo García-Valdecasas
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. May 2014, 136(5): 051014.
Paper No: TURBO-12-1218
https://doi.org/10.1115/1.4025163
Published Online: October 23, 2013
View Article titled, The Effect of Airfoil Thickness on the Efficiency of Low-Pressure Turbines
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Topics: Airfoils, Design, Flow (Dynamics), Pressure, Turbines, Separation (Technology), Bubbles, Reynolds number, Suction
Proceedings Papers

The Effect of Mach Number on the Loss Generation of LP Turbines

Raúl Vázquez, Diego Torre
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 1131-1142, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-68555
https://doi.org/10.1115/GT2012-68555
View Paper titled, The Effect of Mach Number on the Loss Generation of LP Turbines
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Topics: Mach number, Turbines, Stators, Pressure, Airfoils, Design, Blades, Compressibility, Reynolds number, Rotors
Proceedings Papers

The Effect of Airfoil Thickness on the Efficiency of LP Turbines

Diego Torre, Raúl Vázquez, Leyre Armanañzas, Fernando Partida, Guillermo García-Valdecasas
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 1143-1152, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-68556
https://doi.org/10.1115/GT2012-68556
View Paper titled, The Effect of Airfoil Thickness on the Efficiency of LP Turbines
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Topics: Airfoils, Turbines, Chords (Trusses), Flow (Dynamics), Pressure, Stators, Blades, Bubbles, Design, Reynolds number
Journal Articles

A New Alternative for Reduction in Secondary Flows in Low Pressure Turbines

Diego Torre, Raúl Vázquez, Elena de la Rosa Blanco, Howard P. Hodson
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2011, 133(1): 011029.
https://doi.org/10.1115/1.4001365
Published Online: September 28, 2010
View Article titled, A New Alternative for Reduction in Secondary Flows in Low Pressure Turbines
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Topics: Blades, Computational fluid dynamics, Flow (Dynamics), Pressure, Turbines, Vortices, Suction, Cascades (Fluid dynamics), Boundary layers
Proceedings Papers

Temporal Structure of the Boundary Layer in Low Reynolds Number, Low Pressure Turbine Profiles

Benigno J. Lazaro, Ezequiel Gonzalez, Raul Vazquez
Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 1207-1215, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50616
https://doi.org/10.1115/GT2008-50616
View Paper titled, Temporal Structure of the Boundary Layer in Low Reynolds Number, Low Pressure Turbine Profiles
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Topics: Boundary layers, Pressure, Reynolds number, Turbines, Flow (Dynamics), Suction, Shear (Mechanics), Wakes, Fluids, Separation (Technology)
Proceedings Papers

Unsteady Loss Production Mechanisms in Low Reynolds Number, High Lift, Low Pressure Turbine Profiles

Benigno J. Lazaro, Ezequiel Gonzalez, Raul Vazquez
Proc. ASME. GT2007, Volume 6: Turbo Expo 2007, Parts A and B, 895-903, May 14–17, 2007
Publisher: American Society of Mechanical Engineers
Paper No: GT2007-28142
https://doi.org/10.1115/GT2007-28142
View Paper titled, Unsteady Loss Production Mechanisms in Low Reynolds Number, High Lift, Low Pressure Turbine Profiles
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Topics: Pressure, Reynolds number, Turbines, Wakes, Suction, Boundary layers, Bubbles, Momentum, Lasers, Pressure gradient
Proceedings Papers

Endwall Boundary Layer Development in an Engine Representative Four-Stage Low Pressure Turbine Rig

Maria Vera, Elena de la Rosa Blanco, Howard Hodson, Raul Vazquez
Proc. ASME. GT2007, Volume 6: Turbo Expo 2007, Parts A and B, 783-791, May 14–17, 2007
Publisher: American Society of Mechanical Engineers
Paper No: GT2007-27842
https://doi.org/10.1115/GT2007-27842
View Paper titled, Endwall Boundary Layer Development in an Engine Representative Four-Stage Low Pressure Turbine Rig
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Topics: Boundary layers, Engines, Pressure, Turbines, Flow (Dynamics), Blades, Vortices, Cascades (Fluid dynamics), Turbulence, Bubbles
Journal Articles

Endwall Boundary Layer Development in an Engine Representative Four-Stage Low Pressure Turbine Rig

Maria Vera, Elena de la Rosa Blanco, Howard Hodson, Raul Vazquez
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2009, 131(1): 011017.
https://doi.org/10.1115/1.2952382
Published Online: November 6, 2008
View Article titled, Endwall Boundary Layer Development in an Engine Representative Four-Stage Low Pressure Turbine Rig
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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Flow (Dynamics), Pressure, Sensors, Shear stress, Turbines, Turbulence, Engines