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Leonardo Nettis
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Proceedings Papers

Development of a Design Approach for the Optimization of Steam Turbine Exhaust System Performance Through CFD Modelling

Tommaso Diurno, Stella Grazia Tomasello, Tommaso Fondelli, Antonio Andreini, Bruno Facchini, Leonardo Nettis, Lorenzo Arcangeli
Proc. ASME. GT2021, Volume 8: Oil and Gas Applications; Steam Turbine, V008T22A013, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59268
https://doi.org/10.1115/GT2021-59268
View Paper titled, Development of a Design Approach for the Optimization of Steam Turbine Exhaust System Performance Through CFD Modelling
Open the PDF for Development of a Design Approach for the Optimization of Steam Turbine Exhaust System Performance Through CFD Modelling in another window
Topics: Computational fluid dynamics, Design, Exhaust systems, Modeling, Optimization, Steam turbines, Geometry, Diffusers, Engineering simulation, Flow (Dynamics)
Proceedings Papers

Numerical Investigation on the Aerodynamic Performance of a Low-Pressure Steam Turbine Exhaust Hood Using DOE Analysis

Tommaso Diurno, Tommaso Fondelli, Leonardo Nettis, Nicola Maceli, Lorenzo Arcangeli, Antonio Andreini, Bruno Facchini
Proc. ASME. GT2020, Volume 9: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Steam Turbine, V009T23A023, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15993
https://doi.org/10.1115/GT2020-15993
View Paper titled, Numerical Investigation on the Aerodynamic Performance of a Low-Pressure Steam Turbine Exhaust Hood Using DOE Analysis
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Topics: Exhaust systems, Pressure, Steam turbines, Flow (Dynamics), Turbines, Design, Diffusers, Rotors, Simulation, Computational fluid dynamics
Journal Articles

Numerical Investigation on the Aerodynamic Performance of a Low-Pressure Steam Turbine Exhaust Hood Using Design of Experiment Analysis

Tommaso Diurno, Tommaso Fondelli, Leonardo Nettis, Nicola Maceli, Lorenzo Arcangeli, Antonio Andreini, Bruno Facchini
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2020, 142(11): 111006.
Paper No: GTP-20-1450
https://doi.org/10.1115/1.4048567
Published Online: October 20, 2020
View Article titled, Numerical Investigation on the Aerodynamic Performance of a Low-Pressure Steam Turbine Exhaust Hood Using Design of Experiment Analysis
Open the PDF for Numerical Investigation on the Aerodynamic Performance of a Low-Pressure Steam Turbine Exhaust Hood Using Design of Experiment Analysis in another window
Topics: Diffusers, Exhaust systems, Flow (Dynamics), Geometry, Pressure, Rotors, Experimental design
Journal Articles

Rotordynamic Characterization of a Staggered Labyrinth Seal: Experimental Test Data and Comparison With Predictions

Filippo Cangioli, Giuseppe Vannini, Paolo Pennacchi, Lorenzo Ciuchicchi, Leonardo Nettis, Steven Chatterton
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2019, 141(1): 011009.
Paper No: GTP-18-1293
https://doi.org/10.1115/1.4040688
Published Online: September 14, 2018
View Article titled, Rotordynamic Characterization of a Staggered Labyrinth Seal: Experimental Test Data and Comparison With Predictions
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Topics: Cavities, Flow (Dynamics), Leakage, Pressure, Rotors, Damping, Fluids, Stiffness, Momentum, Clearances (Engineering)
Proceedings Papers

Rotordynamic Characterization of Labyrinth Seals in Steam Turbines: Effects of Thermal and Mechanical Loads

Filippo Cangioli, Steven Chatterton, Paolo Pennacchi, Leonardo Nettis, Lorenzo Ciuchicchi, Andrea Vania, Giuseppe Vannini
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A001, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75009
https://doi.org/10.1115/GT2018-75009
View Paper titled, Rotordynamic Characterization of Labyrinth Seals in Steam Turbines: Effects of Thermal and Mechanical Loads
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Topics: Steam turbines, Stress, Flow (Dynamics), Machinery, Stability, Annulus, Centrifugal force, Clearances (Engineering), Geometry, Heat transfer
Proceedings Papers

Rotordynamic Characterization of a Staggered Labyrinth Seal: Experimental Test Data and Comparison With Predictions

Filippo Cangioli, Giuseppe Vannini, Paolo Pennacchi, Lorenzo Ciuchicchi, Leonardo Nettis, Steven Chatterton
Proc. ASME. GT2018, Volume 7B: Structures and Dynamics, V07BT34A003, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75072
https://doi.org/10.1115/GT2018-75072
View Paper titled, Rotordynamic Characterization of a Staggered Labyrinth Seal: Experimental Test Data and Comparison With Predictions
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Topics: Clearances (Engineering), Compressors, Dynamics (Mechanics), Flow (Dynamics), Fluids, Gas turbines, High pressure (Physics), Kinetic energy, Leakage, Pressure
Proceedings Papers

Optimization of a Large Injection System for Steam Turbines

Leonardo Nettis, Enzo Imparato, Lorenzo Cosi
Proc. ASME. GT2015, Volume 8: Microturbines, Turbochargers and Small Turbomachines; Steam Turbines, V008T26A024, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43007
https://doi.org/10.1115/GT2015-43007
View Paper titled, Optimization of a Large Injection System for Steam Turbines
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Topics: Optimization, Steam turbines, Flow (Dynamics), Computational fluid dynamics, Pressure, Design, Shapes, Steam, Excitation, Performance
Proceedings Papers

Leakage Flow Impact on High Aspect Ratio Steam Turbine Reaction Blades

Leonardo Nettis, Luca Lombardi
Proc. ASME. TBTS2013, ASME 2013 Turbine Blade Tip Symposium, V001T04A002, September 30–October 3, 2013
Publisher: American Society of Mechanical Engineers
Paper No: TBTS2013-2042
https://doi.org/10.1115/TBTS2013-2042
View Paper titled, Leakage Flow Impact on High Aspect Ratio Steam Turbine Reaction Blades
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Topics: Blades, Leakage flows, Steam turbines, Leakage, Clearances (Engineering), Design, Computational fluid dynamics, Flow (Dynamics), Geometry, Numerical analysis
Journal Articles

Unsteady Conjugate Heat Transfer Analysis of an Immersed Particle Innovative Heat Exchanger

Leonardo Nettis, Fabio De Bellis, Luciano A. Catalano, Roberto Verzicco
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. March 2012, 4(1): 011004.
https://doi.org/10.1115/1.4005194
Published Online: March 19, 2012
View Article titled, Unsteady Conjugate Heat Transfer Analysis of an Immersed Particle Innovative Heat Exchanger
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Topics: Flow (Dynamics), Heat exchangers, Heat transfer, Particulate matter, Simulation, Temperature, Computer simulation, Reynolds number
Proceedings Papers

Unsteady Conjugate Heat Transfer Analysis of an Air Immersed Solid Particle With Application to an Innovative Heat Exchanger

Leonardo Nettis, Fabio De Bellis, Luciano A. Catalano, Roberto Verzicco
Proc. ASME. AJTEC2011, ASME/JSME 2011 8th Thermal Engineering Joint Conference, T10061, March 13–17, 2011
Publisher: American Society of Mechanical Engineers
Paper No: AJTEC2011-44618
https://doi.org/10.1115/AJTEC2011-44618
View Paper titled, Unsteady Conjugate Heat Transfer Analysis of an Air Immersed Solid Particle With Application to an Innovative Heat Exchanger
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Topics: Heat exchangers, Heat transfer, Particulate matter, Cycles, Gas flow, Heat conduction, Computer simulation, Design, Errors, Gas turbines