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Journal Articles

Axial Compressor Transonic Rotor Shock Interaction With Upstream Stator Row

Vittorio Michelassi, Corrado Burberi, Satish Koyyalamudi, Salvatore Lorusso, Alberto Scotti Del Greco
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. September 2024, 146(9): 091011.
Paper No: TURBO-23-1320
https://doi.org/10.1115/1.4065203
Published Online: April 16, 2024
View Article titled, Axial Compressor Transonic Rotor Shock Interaction With Upstream Stator Row
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Topics: Compressors, Computational fluid dynamics, Design, Pressure, Rotors, Shock (Mechanics), Stators, Flow (Dynamics), Mach number
Proceedings Papers

Axial Compressor Transonic Rotor Shock Interaction With Upstream Stator Row

V. V. N. K. Satish Koyyalamudi, Corrado Burberi, Salvatore Lorusso, Vittorio Michelassi, Alberto Scotti Del Greco
Proc. ASME. GT2023, Volume 13A: Turbomachinery — Axial Flow Fan and Compressor Aerodynamics, V13AT29A034, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103109
https://doi.org/10.1115/GT2023-103109
View Paper titled, Axial Compressor Transonic Rotor Shock Interaction With Upstream Stator Row
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Topics: Boundary layers, Compressors, Rotors, Shock (Mechanics), Stators
Proceedings Papers

CFD Model and Design for Gas Turbine Inlet Plenum With EGR

Ravindra Devi, Salvatore Lorusso, Vittorio Michelassi, Alberto Scotti Del Greco
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT32A020, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102373
https://doi.org/10.1115/GT2023-102373
View Paper titled, CFD Model and Design for Gas Turbine Inlet Plenum With EGR
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Topics: Carbon capture and storage, Computational fluid dynamics, Design, Exhaust gas recirculation, Flow (Dynamics), Gas turbines, Modeling, Retrofitting
Journal Articles

Analysis of Measured and Predicted Turbine Maps From Start-Up to Design Point

Alberto Scotti del Greco, Sara Biagiotti, Vittorio Michelassi, Tomasz Jurek, Daniele Di Benedetto, Stefano Francini, Michele Marconcini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2022, 144(8): 081009.
Paper No: TURBO-21-1256
https://doi.org/10.1115/1.4053656
Published Online: March 3, 2022
View Article titled, Analysis of Measured and Predicted Turbine Maps From Start-Up to Design Point
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Topics: Blades, Computational fluid dynamics, Design, Flow (Dynamics), Pressure, Rotors, Turbines, Torque
Journal Articles

Design, Testing, and Performance Impact of Exhaust Diffusers in Aero-Derivative Gas Turbines for Mechanical Drive Applications

Alberto Scotti Del Greco, Tomasz Jurek, Vittorio Michelassi, Daniele Di Benedetto
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2021, 143(6): 061016.
Paper No: TURBO-19-1311
https://doi.org/10.1115/1.4048795
Published Online: May 19, 2021
View Article titled, Design, Testing, and Performance Impact of Exhaust Diffusers in Aero-Derivative Gas Turbines for Mechanical Drive Applications
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Topics: Computational fluid dynamics, Design, Diffusers, Exhaust systems, Flow (Dynamics), Pressure, Turbines, Gas turbines, Mechanical drives
Proceedings Papers

Analysis of Measured and Predicted Turbine Maps From Start-Up to Design Point

Alberto Scotti del Greco, Sara Biagiotti, Vittorio Michelassi, Tomasz Jurek, Daniele Di Benedetto, Stefano Francini, Michele Marconcini
Proc. ASME. GT2020, Volume 2B: Turbomachinery, V02BT33A023, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15484
https://doi.org/10.1115/GT2020-15484
View Paper titled, Analysis of Measured and Predicted Turbine Maps From Start-Up to Design Point
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Topics: Computational fluid dynamics, Design, Turbines
Proceedings Papers

Design, Testing, and Performance Impact of Exhaust Diffusers in Aero-Derivative Gas Turbines for Mechanical Drive Applications

Alberto Scotti Del Greco, Tomasz Jurek, Daniele Di Benedetto, Vittorio Michelassi, Giacomo Ragni, Enrico Beghini, Maria Vittoria Borghesi
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT40A017, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91262
https://doi.org/10.1115/GT2019-91262
View Paper titled, Design, Testing, and Performance Impact of Exhaust Diffusers in Aero-Derivative Gas Turbines for Mechanical Drive Applications
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Topics: Design, Diffusers, Exhaust systems, Gas turbines, Mechanical drives, Testing, Turbines, Engines, Aircraft engines, Computational fluid dynamics
Proceedings Papers

A New Approach to Performance Mapping of Radial Inflow Turbines

Davide Biliotti, Alberto Scotti Del Greco, Francesco Cangioli, Giuseppe Iurisci
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT44A019, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91856
https://doi.org/10.1115/GT2019-91856
View Paper titled, A New Approach to Performance Mapping of Radial Inflow Turbines
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Topics: Inflow, Turbines, Torque, Inlet guide vanes, Flow (Dynamics), Pressure, Stress, Design, Machinery, Modeling
Journal Articles

Aeroderivative Mechanical Drive Gas Turbines: The Design of Intermediate Pressure Turbines

Alberto Scotti Del Greco, Vittorio Michelassi, Stefano Francini, Daniele Di Benedetto, Mahendran Manoharan
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. August 2019, 141(8): 081007.
Paper No: TURBO-18-1354
https://doi.org/10.1115/1.4043120
Published Online: March 28, 2019
View Article titled, Aeroderivative Mechanical Drive Gas Turbines: The Design of Intermediate Pressure Turbines
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Topics: Design, Flow (Dynamics), Pressure, Turbines, Gas turbines, Computational fluid dynamics, Stators, Blades, Rotors
Proceedings Papers

Aero Derivative Mechanical Drive Gas Turbines: The Design of Intermediate Pressure Turbines

Alberto Scotti Del Greco, Vittorio Michelassi, Stefano Francini, Daniele Di Benedetto, Mahendran Manoharan
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A016, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-76036
https://doi.org/10.1115/GT2018-76036
View Paper titled, Aero Derivative Mechanical Drive Gas Turbines: The Design of Intermediate Pressure Turbines
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Topics: Design, Gas turbines, Mechanical drives, Pressure, Turbines, Engines, Aircraft engines, Compressors, Flow (Dynamics), Liquefied natural gas
Proceedings Papers

Wet Compression: Performance Test of a 3D Impeller and Validation of Predictive Model

Veronica Ferrara, Lars E. Bakken, Stefano Falomi, Giuseppe Sassanelli, Matteo Bertoneri, Alberto Scotti del Greco
Proc. ASME. GT2016, Volume 9: Oil and Gas Applications; Supercritical CO2 Power Cycles; Wind Energy, V009T24A026, June 13–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: GT2016-57976
https://doi.org/10.1115/GT2016-57976
View Paper titled, Wet Compression: Performance Test of a 3D Impeller and Validation of Predictive Model
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Topics: Compression, Impellers, Testing performance, Compressors, Ocean engineering, Corrosion, Damage, Erosion, Machinery, Petroleum industry
Journal Articles

Introduction of Circumferentially Nonuniform Variable Guide Vanes in the Inlet Plenum of a Centrifugal Compressor for Minimum Losses and Flow Distortion

Ismail Sezal, Nan Chen, Christian Aalburg, Rajesh Kumar V. Gadamsetty, Wolfgang Erhard, Alberto Scotti Del Greco, Libero Tapinassi, Matthias Lang
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. September 2016, 138(9): 091008.
Paper No: TURBO-16-1018
https://doi.org/10.1115/1.4032884
Published Online: April 12, 2016
View Article titled, Introduction of Circumferentially Nonuniform Variable Guide Vanes in the Inlet Plenum of a Centrifugal Compressor for Minimum Losses and Flow Distortion
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Topics: Compressors, Flow (Dynamics), Impellers, Inlet guide vanes, Design, Pressure
Proceedings Papers

Introduction of Circumferentially Non-Uniform Variable Guide Vanes in the Inlet Plenum of a Centrifugal Compressor for Minimum Losses and Flow Distortion

Ismail Sezal, Matthias Lang, Christian Aalburg, Nan Chen, Wolfgang Erhard, Alberto Scotti Del Greco, Libero Tapinassi, Rajesh Kumar V. Gadamsetty
Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT42A031, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43467
https://doi.org/10.1115/GT2015-43467
View Paper titled, Introduction of Circumferentially Non-Uniform Variable Guide Vanes in the Inlet Plenum of a Centrifugal Compressor for Minimum Losses and Flow Distortion
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Topics: Compressors, Flow (Dynamics), Guide vanes, Impellers, Airfoils, Pressure, Annulus, Cascades (Fluid dynamics), Compression, Computational fluid dynamics
Proceedings Papers

Predictability of Rotating Stall and Surge in a Centrifugal Compressor Stage With Dynamic Simulations

Néstor González Díez, Jan P. M. Smeulers, Libero Tapinassi, Alberto Scotti Del Greco, Lorenzo Toni
Proc. ASME. GT2014, Volume 2D: Turbomachinery, V02DT44A032, June 16–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: GT2014-26712
https://doi.org/10.1115/GT2014-26712
View Paper titled, Predictability of Rotating Stall and Surge in a Centrifugal Compressor Stage With Dynamic Simulations
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Topics: Compressors, Engineering simulation, Simulation, Surges, Flow (Dynamics), Pressure, Cycles, Fluctuations (Physics), Simulation results, Stability
Journal Articles

On the Combined Effect on Operating Range of Adjustable Inlet Guide Vanes and Variable Speed in Process Multistage Centrifugal Compressors

Alberto Scotti Del Greco, Libero Tapinassi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2014, 136(8): 082601.
Paper No: GTP-13-1293
https://doi.org/10.1115/1.4026621
Published Online: February 28, 2014
View Article titled, On the Combined Effect on Operating Range of Adjustable Inlet Guide Vanes and Variable Speed in Process Multistage Centrifugal Compressors
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Topics: Compressors, Flow (Dynamics), Inlet guide vanes, Design, Machinery
Proceedings Papers

On the Combined Effect on Operating Range of Adjustable IGVs and Variable Speed in Process Multistage Centrifugal Compressors

Alberto Scotti Del Greco, Libero Tapinassi
Proc. ASME. GT2013, Volume 5B: Oil and Gas Applications; Steam Turbines, V05BT24A017, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-95645
https://doi.org/10.1115/GT2013-95645
View Paper titled, On the Combined Effect on Operating Range of Adjustable IGVs and Variable Speed in Process Multistage Centrifugal Compressors
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Topics: Compressors, Design, Mach number, Inlet guide vanes, Machinery, Optimal control
Proceedings Papers

Special Challenges in the CFD Modeling of Transonic Turbo-Expanders

Filippo Rubechini, Michele Marconcini, Andrea Arnone, Alberto Scotti Del Greco, Roberto Biagi
Proc. ASME. GT2013, Volume 6C: Turbomachinery, V06CT40A016, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-95554
https://doi.org/10.1115/GT2013-95554
View Paper titled, Special Challenges in the CFD Modeling of Transonic Turbo-Expanders
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Topics: Computational fluid dynamics, Modeling, Turbochargers, Nozzles, Design, Flow (Dynamics), Wheels, Blades, Fluids, Geometry
Journal Articles

Special Challenges in the Computational Fluid Dynamics Modeling of Transonic Turbo-Expanders

Filippo Rubechini, Michele Marconcini, Andrea Arnone, Alberto Scotti Del Greco, Roberto Biagi
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2013, 135(10): 102701.
Paper No: GTP-13-1188
https://doi.org/10.1115/1.4025034
Published Online: August 30, 2013
View Article titled, Special Challenges in the Computational Fluid Dynamics Modeling of Transonic Turbo-Expanders
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Topics: Blades, Computational fluid dynamics, Nozzles, Pressure, Turbochargers, Wheels, Flow (Dynamics), Modeling, Shock (Mechanics), Shock waves
Proceedings Papers

Aerodynamic Investigation of a High Pressure Ratio Turbo-Expander for Organic Rankine Cycle Applications

Michele Marconcini, Filippo Rubechini, Andrea Arnone, Alberto Scotti Del Greco, Roberto Biagi
Proc. ASME. GT2012, Volume 8: Turbomachinery, Parts A, B, and C, 847-856, June 11–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: GT2012-69409
https://doi.org/10.1115/GT2012-69409
View Paper titled, Aerodynamic Investigation of a High Pressure Ratio Turbo-Expander for Organic Rankine Cycle Applications
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Topics: High pressure (Physics), Organic Rankine cycle, Turbochargers, Flow (Dynamics), Nozzles, Computational fluid dynamics, Design, Impellers, Inflow, Modeling
Proceedings Papers

The ORegen™ Waste Heat Recovery Cycle: Reducing the CO 2 Footprint by Means of Overall Cycle Efficiency Improvement

Paolo Del Turco, Antonio Asti, Alberto Scotti Del Greco, Alessandro Bacci, Giacomo Landi, Giacomo Seghi
Proc. ASME. GT2011, Volume 3: Controls, Diagnostics and Instrumentation; Education; Electric Power; Microturbines and Small Turbomachinery; Solar Brayton and Rankine Cycle, 547-556, June 6–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: GT2011-45051
https://doi.org/10.1115/GT2011-45051
View Paper titled, The ORegen™ Waste Heat Recovery Cycle: Reducing the CO 2 Footprint by Means of Overall Cycle Efficiency Improvement
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Topics: Carbon dioxide, Cycles, Heat recovery, Emissions, Gas turbines, Fluids, Rankine cycle, Waste heat, Climate change, Closed loop systems