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M. Dellacasagrande
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Journal Articles

Effects of Ribbed Surfaces on Profile Losses of Low-Pressure Turbine Blades

M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, F. Bertini
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2023, 145(10): 101009.
Paper No: TURBO-22-1292
https://doi.org/10.1115/1.4063049
Published Online: August 16, 2023
View Article titled, Effects of Ribbed Surfaces on Profile Losses of Low-Pressure Turbine Blades
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Topics: Blades, Boundary layers, Cascades (Fluid dynamics), Flat plates, Geometry, Pressure, Reynolds number, Suction, Turbines, Turbulence
Proceedings Papers

Effects of Ribbed Surfaces on Profile Losses of Low-Pressure-Turbine Blades

M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, F. Bertini
Proc. ASME. GT2022, Volume 10B: Turbomachinery — Axial Flow Turbine Aerodynamics; Deposition, Erosion, Fouling, and Icing; Radial Turbomachinery Aerodynamics, V10BT30A029, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82875
https://doi.org/10.1115/GT2022-82875
View Paper titled, Effects of Ribbed Surfaces on Profile Losses of Low-Pressure-Turbine Blades
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Topics: Blades, Pressure, Turbines, Cascades (Fluid dynamics), Flat plates, Boundary layers, Dimensions, Geometry, Inflow, Pressure gradient
Proceedings Papers

Experimental Investigation on the Loss Production Mechanisms in Transitional Boundary Layers

M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, P. Zunino
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A019, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15148
https://doi.org/10.1115/GT2020-15148
View Paper titled, Experimental Investigation on the Loss Production Mechanisms in Transitional Boundary Layers
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Topics: Boundary layers, Flow (Dynamics), Eigenvalues, Turbulence, Pressure gradient, Shear (Mechanics), Stress tensors, Bubbles, Displacement, Energy dissipation
Proceedings Papers

Unsteady Effects due to Rotor Purge Flow Variations in a Dual-Spool Turbine Setup

F. Merli, P. Z. Sterzinger, M. Dellacasagrande, L. Wiesinger, A. Peters, F. Heitmeir, E. Göttlich
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A024, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15216
https://doi.org/10.1115/GT2020-15216
View Paper titled, Unsteady Effects due to Rotor Purge Flow Variations in a Dual-Spool Turbine Setup
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Topics: Flow (Dynamics), Rotors, Turbines, Pressure, Aircraft engines, Cavities, Engines, Flow control, Gas turbines, High pressure (Physics)
Proceedings Papers

Dynamic Mode Decomposition Analysis of Separated Boundary Layers Under Variable Reynolds Number and Free-Stream Turbulence

M. Dellacasagrande, J. Verdoya, D. Barsi, D. Lengani, D. Simoni
Proc. ASME. GT2020, Volume 2E: Turbomachinery, V02ET41A038, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-16322
https://doi.org/10.1115/GT2020-16322
View Paper titled, Dynamic Mode Decomposition Analysis of Separated Boundary Layers Under Variable Reynolds Number and Free-Stream Turbulence
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Topics: Boundary layers, Reynolds number, Turbulence, Wavelength, Fluctuations (Physics), Shear (Mechanics), Vortices, Accounting, Control systems, Density
Journal Articles

Impact of Varying High- and Low-Pressure Turbine Purge Flows on a Turbine Center Frame and Low-Pressure Turbine System

P. Z. Sterzinger, S. Zerobin, F. Merli, L. Wiesinger, A. Peters, G. Maini, M. Dellacasagrande, F. Heitmeir, E. Göttlich
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2020, 142(10): 101011.
Paper No: TURBO-19-1258
https://doi.org/10.1115/1.4046452
Published Online: September 18, 2020
View Article titled, Impact of Varying High- and Low-Pressure Turbine Purge Flows on a Turbine Center Frame and Low-Pressure Turbine System
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Topics: Flow (Dynamics), Pressure, Turbines
Journal Articles

Unsteady Flow Interactions Between a High- and Low-Pressure Turbine

P. Z. Sterzinger, S. Zerobin, F. Merli, L. Wiesinger, M. Dellacasagrande, A. Peters, G. Maini, F. Heitmeir, E. Göttlich
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. October 2020, 142(10): 101012.
Paper No: TURBO-19-1259
https://doi.org/10.1115/1.4046453
Published Online: September 18, 2020
View Article titled, Unsteady Flow Interactions Between a High- and Low-Pressure Turbine
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Topics: Flow (Dynamics), Fluctuations (Physics), Pressure, Rotors, Turbines, Unsteady flow
Journal Articles

Evaluation of Turbulent Spot Production Rate in Boundary Layers Under Variable Pressure Gradients for Gas Turbine Applications

M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, P. Zunino
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. June 2020, 142(6): 061003.
Paper No: TURBO-19-1180
https://doi.org/10.1115/1.4046494
Published Online: May 12, 2020
View Article titled, Evaluation of Turbulent Spot Production Rate in Boundary Layers Under Variable Pressure Gradients for Gas Turbine Applications
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Topics: Boundary layers, Flow (Dynamics), Pressure gradient, Reynolds number, Turbulence, Separation (Technology), Gas turbines
Proceedings Papers

Unsteady Flow Interactions Between a High- and Low-Pressure Turbine: Part 2 — Rotor-Synchronic Averaging and Proper Orthogonal Decomposition of the Unsteady Flow Fields

M. Dellacasagrande, P. Z. Sterzinger, S. Zerobin, F. Merli, L. Wiesinger, A. Peters, G. Maini, F. Heitmeir, E. Göttlich
Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A011, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90824
https://doi.org/10.1115/GT2019-90824
View Paper titled, Unsteady Flow Interactions Between a High- and Low-Pressure Turbine: Part 2 — Rotor-Synchronic Averaging and Proper Orthogonal Decomposition of the Unsteady Flow Fields
Open the PDF for Unsteady Flow Interactions Between a High- and Low-Pressure Turbine: Part 2 — Rotor-Synchronic Averaging and Proper Orthogonal Decomposition of the Unsteady Flow Fields in another window
Topics: Pressure, Principal component analysis, Rotors, Turbine components, Unsteady flow, Turbines, Flow (Dynamics), Aircraft engines, Ducts, Fluctuations (Physics)
Proceedings Papers

Evaluation of Turbulent Spot Production Rate in Boundary Layers Under Variable Pressure Gradients for Gas Turbine Applications

M. Dellacasagrande, D. Lengani, D. Simoni, M. Ubaldi, P. Zunino
Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A019, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91229
https://doi.org/10.1115/GT2019-91229
View Paper titled, Evaluation of Turbulent Spot Production Rate in Boundary Layers Under Variable Pressure Gradients for Gas Turbine Applications
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Topics: Boundary layers, Gas turbines, Pressure gradient, Turbulence, Flow (Dynamics), Reynolds number, Arches, Databases, Flat plates, Probability
Proceedings Papers

Impact of Varying High- and Low-Pressure Turbine Purge Flows on a Turbine Center Frame and Low-Pressure Turbine System

P. Z. Sterzinger, S. Zerobin, F. Merli, L. Wiesinger, A. Peters, G. Maini, M. Dellacasagrande, F. Heitmeir, E. Göttlich
Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT42A006, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90795
https://doi.org/10.1115/GT2019-90795
View Paper titled, Impact of Varying High- and Low-Pressure Turbine Purge Flows on a Turbine Center Frame and Low-Pressure Turbine System
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Topics: Flow (Dynamics), Pressure, Turbines, Ducts, Engines, High pressure (Physics), Inflow, Machine dynamics, Probes, Reynolds-averaged Navier–Stokes equations
Proceedings Papers

Unsteady Flow Interactions Between a High- and Low-Pressure Turbine: Part 1 — Time-Resolved Flow

P. Z. Sterzinger, S. Zerobin, F. Merli, L. Wiesinger, M. Dellacasagrande, A. Peters, G. Maini, F. Heitmeir, E. Göttlich
Proc. ASME. GT2019, Volume 2A: Turbomachinery, V02AT45A009, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90790
https://doi.org/10.1115/GT2019-90790
View Paper titled, Unsteady Flow Interactions Between a High- and Low-Pressure Turbine: Part 1 — Time-Resolved Flow
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Topics: Flow (Dynamics), Pressure, Turbine components, Unsteady flow, Rotors, Turbines, Ducts, Engines, Fluctuations (Physics), High pressure (Physics)
Journal Articles

Correlations for the Prediction of Intermittency and Turbulent Spot Production Rate in Separated Flows

M. Dellacasagrande, R. Guida, D. Lengani, D. Simoni, M. Ubaldi, P. Zunino
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research-Article
J. Turbomach. March 2019, 141(3): 031003.
Paper No: TURBO-18-1164
https://doi.org/10.1115/1.4042066
Published Online: January 16, 2019
View Article titled, Correlations for the Prediction of Intermittency and Turbulent Spot Production Rate in Separated Flows
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Topics: Boundary layers, Flow (Dynamics), Reynolds number, Separation (Technology), Turbulence, Fittings, Bubbles, Shear (Mechanics)
Proceedings Papers

Correlations for the Prediction of Intermittency and Turbulent Spot Production Rate in Separated Flows

M. Dellacasagrande, R. Guida, D. Lengani, D. Simoni, M. Ubaldi, P. Zunino
Proc. ASME. GT2018, Volume 2C: Turbomachinery, V02CT42A015, June 11–15, 2018
Publisher: American Society of Mechanical Engineers
Paper No: GT2018-75624
https://doi.org/10.1115/GT2018-75624
View Paper titled, Correlations for the Prediction of Intermittency and Turbulent Spot Production Rate in Separated Flows
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Topics: Flow (Dynamics), Turbulence, Reynolds number, Separation (Technology), Boundary layers, Bubbles, Dynamics (Mechanics), Fittings, Particulate matter, Pressure gradient