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Proceedings Papers

Impact of the Expansion Ratio on the Unsteady Aerodynamics and Performance of a HP Axial Turbine

P. Gaetani, G. Persico, A. Spinelli, A. Mora
Proc. ASME. GT2016, Volume 2B: Turbomachinery, V02BT38A024, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-56650
https://doi.org/10.1115/GT2016-56650
View Paper titled, Impact of the Expansion Ratio on the Unsteady Aerodynamics and Performance of a HP Axial Turbine
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Topics: Aerodynamics, Turbines, Rotors, Flow (Dynamics), Stators, Cascades (Fluid dynamics), Probes, Axial flow, Boundary-value problems, Compressors
Proceedings Papers

Three-Dimensional Character of VAWT Wakes: An Experimental Investigation for H-Shaped and Troposkien Architectures

G. Persico, V. Dossena, B. Paradiso, L. Battisti, A. Brighenti, E. Benini
Proc. ASME. GT2016, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T46A015, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57762
https://doi.org/10.1115/GT2016-57762
View Paper titled, Three-Dimensional Character of VAWT Wakes: An Experimental Investigation for H-Shaped and Troposkien Architectures
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Topics: Architecture, Vertical axis wind turbines, Wakes, Rotors, Turbines, Blades, Shapes, Vortices, Aerodynamics, Turbulence
Journal Articles

Adjoint Method for Shape Optimization in Real-Gas Flow Applications

M. Pini, G. Persico, D. Pasquale, S. Rebay
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. March 2015, 137(3): 032604.
Paper No: GTP-14-1245
https://doi.org/10.1115/1.4028495
Published Online: October 14, 2014
View Article titled, Adjoint Method for Shape Optimization in Real-Gas Flow Applications
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Topics: Blades, Cascades (Fluid dynamics), Design, Flow (Dynamics), Optimization, Shape optimization, Simulation, Turbines, Turbulence, Pressure
Proceedings Papers

Robust Adjoint-Based Shape Optimization of Supersonic Turbomachinery Cascades

M. Pini, G. Persico, V. Dossena
Proc. ASME. GT2014, Volume 2B: Turbomachinery, V02BT39A043, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-27064
https://doi.org/10.1115/GT2014-27064
View Paper titled, Robust Adjoint-Based Shape Optimization of Supersonic Turbomachinery Cascades
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Topics: Shape optimization, Turbomachinery, Design, Algorithms, Blades, Cascades (Fluid dynamics), Optimization, Turbines, Design methodology, Flow (Dynamics)
Proceedings Papers

Aerodynamic Design and Analysis of Centrifugal Turbine Cascades

G. Persico, M. Pini, V. Dossena, P. Gaetani
Proc. ASME. GT2013, Volume 6C: Turbomachinery, V06CT40A019, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-95770
https://doi.org/10.1115/GT2013-95770
View Paper titled, Aerodynamic Design and Analysis of Centrifugal Turbine Cascades
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Topics: Design, Turbines, Flow (Dynamics), Organic Rankine cycle, Blades, Cascades (Fluid dynamics), Aerodynamics, Architecture, Computational fluid dynamics, Deflection
Journal Articles

Unsteady Aerodynamics of a Low Aspect Ratio Turbine Stage: Modeling Issues and Flow Physics

G. Persico, A. Mora, P. Gaetani, M. Savini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2012, 134(6): 061030.
https://doi.org/10.1115/1.4004021
Published Online: September 12, 2012
View Article titled, Unsteady Aerodynamics of a Low Aspect Ratio Turbine Stage: Modeling Issues and Flow Physics
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Topics: Blades, Flow (Dynamics), Rotors, Vortices, Turbines, Vorticity, Stators, Pressure
Journal Articles

Impeller-Vaned Diffuser Interaction in a Centrifugal Compressor at Off Design Conditions

P. Gaetani, G. Persico, A. Mora, V. Dossena, C. Osnaghi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. November 2012, 134(6): 061034.
https://doi.org/10.1115/1.4006295
Published Online: September 12, 2012
View Article titled, Impeller-Vaned Diffuser Interaction in a Centrifugal Compressor at Off Design Conditions
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Topics: Diffusers, Flow (Dynamics), Impellers, Pressure, Blades
Proceedings Papers

Impeller–Vaned Diffuser Interaction in a Centrifugal Compressor at the Best Efficiency Point

P. Gaetani, G. Persico, A. Mora, V. Dossena, C. Osnaghi
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 2087-2097, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-46223
https://doi.org/10.1115/GT2011-46223
View Paper titled, Impeller–Vaned Diffuser Interaction in a Centrifugal Compressor at the Best Efficiency Point
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Topics: Compressors, Diffusers, Impellers, Flow (Dynamics), Aircraft engines, Computational fluid dynamics, Engineering simulation, Fluids, Mach number, Machinery
Proceedings Papers

Impeller–Vaned Diffuser Interaction in a Centrifugal Compressor at Off Design Conditions

P. Gaetani, G. Persico, A. Mora, V. Dossena, C. Osnaghi
Proc. ASME. GT2011, Volume 7: Turbomachinery, Parts A, B, and C, 2099-2110, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-46234
https://doi.org/10.1115/GT2011-46234
View Paper titled, Impeller–Vaned Diffuser Interaction in a Centrifugal Compressor at Off Design Conditions
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Topics: Compressors, Design, Diffusers, Impellers, Flow (Dynamics), Aircraft engines, Mach number, Pressure, Probes, Surges
Journal Articles

Aerodynamic Measurements on a Vertical Axis Wind Turbine in a Large Scale Wind Tunnel

L. Battisti, L. Zanne, S. Dell’Anna, V. Dossena, G. Persico, B. Paradiso
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research Papers
J. Energy Resour. Technol. September 2011, 133(3): 031201.
https://doi.org/10.1115/1.4004360
Published Online: July 22, 2011
View Article titled, Aerodynamic Measurements on a Vertical Axis Wind Turbine in a Large Scale Wind Tunnel
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Topics: Flow (Dynamics), Rotors, Thrust, Vertical axis wind turbines, Wakes, Wind tunnels, Wind turbines, Blades, Turbines, Unsteady flow
Proceedings Papers

Aerodynamic Measurements on a Vertical Axis Wind Turbine in a Large Scale Wind Tunnel

L. Battisti, L. Zanne, S. Dell’Anna, V. Dossena, B. Paradiso, G. Persico
Proc. ASME. GT2010, Volume 5: Industrial and Cogeneration; Microturbines and Small Turbomachinery; Oil and Gas Applications; Wind Turbine Technology, 891-900, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-23512
https://doi.org/10.1115/GT2010-23512
View Paper titled, Aerodynamic Measurements on a Vertical Axis Wind Turbine in a Large Scale Wind Tunnel
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Topics: Vertical axis wind turbines, Wind tunnels, Flow (Dynamics), Rotors, Turbines, Aerodynamics, Engineering design processes, Experimental analysis, Fluids, Horizontal axis wind turbines
Proceedings Papers

Unsteady Aerodynamics of a Low Aspect Ratio Turbine Stage: Modeling Issues and Flow Physics

G. Persico, A. Mora, P. Gaetani, M. Savini
Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 2499-2510, June 14–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: GT2010-22927
https://doi.org/10.1115/GT2010-22927
View Paper titled, Unsteady Aerodynamics of a Low Aspect Ratio Turbine Stage: Modeling Issues and Flow Physics
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Topics: Aerodynamics, Flow (Dynamics), Modeling, Physics, Turbines, Rotors, Vortices, Blades, Stators, Computer simulation
Journal Articles

Three Dimensional Clocking Effects in a One and a Half Stage Transonic Turbine

O. Schennach, J. Woisetschläger, B. Paradiso, G. Persico, P. Gaetani
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. January 2010, 132(1): 011019.
https://doi.org/10.1115/1.3072715
Published Online: September 21, 2009
View Article titled, Three Dimensional Clocking Effects in a One and a Half Stage Transonic Turbine
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Topics: Flow (Dynamics), Rotors, Stators, Pressure, Blades, Turbines, Vortices
Proceedings Papers

Blade Row Interaction in a One and a Half Stage Transonic Turbine Focusing on Three Dimensional Effects: Part II—Clocking Effects

O. Schennach, B. Paradiso, G. Persico, P. Gaetani, J. Woisetschla¨ger
Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 1771-1782, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50065
https://doi.org/10.1115/GT2008-50065
View Paper titled, Blade Row Interaction in a One and a Half Stage Transonic Turbine Focusing on Three Dimensional Effects: Part II—Clocking Effects
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Topics: Blades, Turbines, Flow (Dynamics), High pressure (Physics), Pressure, Probes, Rotors, Airfoils, Indexing (Machining), Laser Doppler anemometry
Proceedings Papers

Blade Row Interaction in a One and a Half Stage Transonic Turbine Focusing on Three Dimensional Effects: Part I—Stator-Rotor Interaction

B. Paradiso, G. Persico, P. Gaetani, O. Schennach, R. Pecnik, J. Woisetschla¨ger
Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 1847-1858, June 9–13, 2008
Publisher: American Society of Mechanical Engineers
Paper No: GT2008-50291
https://doi.org/10.1115/GT2008-50291
View Paper titled, Blade Row Interaction in a One and a Half Stage Transonic Turbine Focusing on Three Dimensional Effects: Part I—Stator-Rotor Interaction
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Topics: Blades, Rotors, Stators, Turbines, Computational fluid dynamics, Shock (Mechanics), Vortices, Flow (Dynamics), Aerodynamics, Aircraft engines
Journal Articles

A Parametric Study of the Blade Row Interaction in a High Pressure Turbine Stage

G. Persico, P. Gaetani, C. Osnaghi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. July 2009, 131(3): 031006.
https://doi.org/10.1115/1.2987236
Published Online: April 8, 2009
View Article titled, A Parametric Study of the Blade Row Interaction in a High Pressure Turbine Stage
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Topics: Flow (Dynamics), Rotors, Stators, Blades, Vortices, Wakes
Proceedings Papers

Effects of Off-Design Operating Conditions on the Blade Row Interaction in a HP Turbine Stage

G. Persico, P. Gaetani, C. Osnaghi
Proc. ASME. GT2007, Volume 6: Turbo Expo 2007, Parts A and B, 503-517, May 14–17, 2007
Publisher: American Society of Mechanical Engineers
Paper No: GT2007-27185
https://doi.org/10.1115/GT2007-27185
View Paper titled, Effects of Off-Design Operating Conditions on the Blade Row Interaction in a HP Turbine Stage
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Topics: Blades, Design, Turbines, Rotors, Stators, Flow (Dynamics), Vortices, Probes, Cascades (Fluid dynamics), Chords (Trusses)
Proceedings Papers

Investigation of the Flow Field in a HP Turbine Stage for Two Stator-Rotor Axial Gaps: Part I — 3D Time-Averaged Flow Field

P. Gaetani, G. Persico, V. Dossena, C. Osnaghi
Proc. ASME. GT2006, Volume 6: Turbomachinery, Parts A and B, 659-668, May 8–11, 2006
Publisher: American Society of Mechanical Engineers
Paper No: GT2006-90553
https://doi.org/10.1115/GT2006-90553
View Paper titled, Investigation of the Flow Field in a HP Turbine Stage for Two Stator-Rotor Axial Gaps: Part I — 3D Time-Averaged Flow Field
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Topics: Flow (Dynamics), Rotors, Stators, Turbines, Blades, Probes, Experimental analysis, Gas turbines, High pressure (Physics), Temperature sensors
Proceedings Papers

Investigation of the Flow Field in a HP Turbine Stage for Two Stator-Rotor Axial Gaps: Part II — Unsteady Flow Field

P. Gaetani, G. Persico, V. Dossena, C. Osnaghi
Proc. ASME. GT2006, Volume 6: Turbomachinery, Parts A and B, 669-680, May 8–11, 2006
Publisher: American Society of Mechanical Engineers
Paper No: GT2006-90556
https://doi.org/10.1115/GT2006-90556
View Paper titled, Investigation of the Flow Field in a HP Turbine Stage for Two Stator-Rotor Axial Gaps: Part II — Unsteady Flow Field
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Topics: Flow (Dynamics), Rotors, Stators, Turbines, Unsteady flow, Vortices, Cascades (Fluid dynamics), Chords (Trusses), Probes, Wakes
Journal Articles

Investigation of the Flow Field in a High-Pressure Turbine Stage for Two Stator-Rotor Axial Gaps—Part I: Three-Dimensional Time-Averaged Flow Field

P. Gaetani, G. Persico, V. Dossena, C. Osnaghi
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Technical Papers
J. Turbomach. July 2007, 129(3): 572–579.
https://doi.org/10.1115/1.2472383
Published Online: July 28, 2006
View Article titled, Investigation of the Flow Field in a High-Pressure Turbine Stage for Two Stator-Rotor Axial Gaps—Part I: Three-Dimensional Time-Averaged Flow Field
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Topics: Blades, Flow (Dynamics), Rotors, Stators, Turbines