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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
Paper No: GT2016-57762
DOI: https://doi.org/10.1115/GT2016-57762
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Topics: Architecture, Vertical axis wind turbines, Wakes, Rotors, Turbines, Blades, Shapes, Vortices, Aerodynamics, Turbulence
Proceedings Papers

Incidence Angle and Pitch-Chord Effects on Secondary Flows Downstream of a Turbine Cascade

A. Perdichizzi, V. Dossena
Proc. ASME. GT1992, Volume 1: Turbomachinery, V001T01A067, June 1–4, 1992
Paper No: 92-GT-184
DOI: https://doi.org/10.1115/92-GT-184
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Topics: Cascades (Fluid dynamics), Chords (Trusses), Flow (Dynamics), Turbines, Blades, Pressure, Probes, Vorticity, Design, Energy dissipation
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
Paper No: GT2014-27064
DOI: https://doi.org/10.1115/GT2014-27064
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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
Paper No: GT2013-95770
DOI: https://doi.org/10.1115/GT2013-95770
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Topics: Design, Turbines, Flow (Dynamics), Organic Rankine cycle, Blades, Cascades (Fluid dynamics), Aerodynamics, Architecture, Computational fluid dynamics, Deflection
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
Article Type: Research Papers
J. Turbomach. November 2012, 134(6): 061034.
DOI: https://doi.org/10.1115/1.4006295
Published Online: September 12, 2012
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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
Paper No: GT2011-46223
DOI: https://doi.org/10.1115/GT2011-46223
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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
Paper No: GT2011-46234
DOI: https://doi.org/10.1115/GT2011-46234
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Topics: Compressors, Design, Diffusers, Impellers, Flow (Dynamics), Aircraft engines, Mach number, Pressure, Probes, Surges
Proceedings Papers

Dynamic Simulation of a Test Rig for Organic Vapours

M. Pini, A. Spinelli, V. Dossena, P. Gaetani, F. Casella
Proc. ASME. ES2011, ASME 2011 5th International Conference on Energy Sustainability, Parts A, B, and C, 1977-1988, August 7–10, 2011
Paper No: ES2011-54212
DOI: https://doi.org/10.1115/ES2011-54212
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Topics: Simulation, Nozzles, Organic Rankine cycle, Turbines, Design, Flow (Dynamics), Heating, Modeling, Collaboration, Computation
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
Article Type: Research Papers
J. Energy Resour. Technol. September 2011, 133(3): 031201.
DOI: https://doi.org/10.1115/1.4004360
Published Online: July 22, 2011
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Topics: Flow (Dynamics), Rotors, Thrust, Vertical axis wind turbines, Wakes, Wind tunnels, Wind turbines, Blades, Turbines, Unsteady flow
Proceedings Papers

Design of a Test Rig for Organic Vapours

A. Spinelli, V. Dossena, P. Gaetani, C. Osnaghi, D. Colombo
Proc. ASME. GT2010, Volume 5: Industrial and Cogeneration; Microturbines and Small Turbomachinery; Oil and Gas Applications; Wind Turbine Technology, 109-120, June 14–18, 2010
Paper No: GT2010-22959
DOI: https://doi.org/10.1115/GT2010-22959
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Topics: Design, Pressure, Organic Rankine cycle, Temperature, Fluids, Nozzles, Cycles, Flow (Dynamics), Probes, Siloxanes
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
Paper No: GT2010-23512
DOI: https://doi.org/10.1115/GT2010-23512
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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

Stagger Angle and Pitch-Chord Ratio Effects on Secondary Flows Downstream of a Turbine Cascade at Several Off-Design Conditions

V. Dossena, G. D’Ippolito, E. Pesatori
Proc. ASME. GT2004, Volume 5: Turbo Expo 2004, Parts A and B, 1429-1437, June 14–17, 2004
Paper No: GT2004-54083
DOI: https://doi.org/10.1115/GT2004-54083
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Topics: Cascades (Fluid dynamics), Chords (Trusses), Design, Flow (Dynamics), Turbines
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
Paper No: GT2006-90553
DOI: https://doi.org/10.1115/GT2006-90553
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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
Paper No: GT2006-90556
DOI: https://doi.org/10.1115/GT2006-90556
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Topics: Flow (Dynamics), Rotors, Stators, Turbines, Unsteady flow, Vortices, Cascades (Fluid dynamics), Chords (Trusses), Probes, Wakes
Proceedings Papers

On the Influence of Back Pressure and Size on the Performance of Safety Valves

V. Dossena, P. Gaetani, F. Marinoni, C. Osnaghi
Proc. ASME. PVP2002, Piping and Component Analysis and Diagnosis, 35-41, August 5–9, 2002
Paper No: PVP2002-1514
DOI: https://doi.org/10.1115/PVP2002-1514
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Topics: Pressure, Safety, Valves, Flow (Dynamics), American Petroleum Institute, Dimensions, Disks, Design, Discharge coefficient, Sensitivity analysis
Proceedings Papers

Erratum: “On the Influence of Back Pressure and Size on the Performance of Safety Valves” [ASME 2002 Pressure Vessels and Piping Conference, Piping and Component Analysis and Diagnosis, Vancouver, BC, Canada, August 5–9, 2002, Conference Sponsors: Pressure Vessels and Piping Division, ISBN: 0-7918-4658-X, Copyright © 2002 by ASME. Paper No. PVP2002-1514, pp. 35-41; 7 pages; doi:10.1115/PVP2002-1514]

V. Dossena, P. Gaetani, F. Marinoni, C. Osnaghi
Proc. ASME. PVP2002, Piping and Component Analysis and Diagnosis, 147-148, August 5–9, 2002
Paper No: PVP2002-1514e
DOI: https://doi.org/10.1115/PVP2002-1514e
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Topics: Pipes, Pressure, Pressure vessels, Safety, Valves, Errors
Proceedings Papers

High Pressure Fluctuations Induced by Safety Valves Operating With Liquids at Very Low Lift

V. Dossena, F. Marinoni, S. Di Vincenzo, A. Boccazzi, R. Sala
Proc. ASME. PVP2004, Risk and Reliability and Evaluation of Components and Machinery, 95-101, July 25–29, 2004
Paper No: PVP2004-3010
DOI: https://doi.org/10.1115/PVP2004-3010
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Topics: Fluctuations (Physics), High pressure (Physics), Safety, Valves, Disks, Pressure, Pipes, Vibration, Damage, Nozzles
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
Article Type: Technical Papers
J. Turbomach. July 2007, 129(3): 572–579.
DOI: https://doi.org/10.1115/1.2472383
Published Online: July 28, 2006
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Topics: Blades, Flow (Dynamics), Rotors, Stators, Turbines
Journal Articles

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

P. Gaetani, G. Persico, V. Dossena, C. Osnaghi
Journal: Journal of Turbomachinery
Article Type: Technical Papers
J. Turbomach. July 2007, 129(3): 580–590.
DOI: https://doi.org/10.1115/1.2472393
Published Online: July 23, 2006
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Topics: Flow (Dynamics), Rotors, Stators, Wakes, Vortices
Journal Articles

The Influence of Endwall Contouring on the Performance of a Turbine Nozzle Guide Vane

V. Dossena, A. Perdichizzi, M. Savini
Journal: Journal of Turbomachinery
Article Type: Research Papers
J. Turbomach. April 1999, 121(2): 200–208.
DOI: https://doi.org/10.1115/1.2841302
Published Online: April 1, 1999
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Topics: Airfoils, Cascades (Fluid dynamics), Computer simulation, Flow (Dynamics), Gas turbines, High pressure (Physics), Inlet guide vanes, Mach number, Nozzle guide vanes, Nozzles