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M. Dellacasagrande
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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
Paper No: GT2020-15148
DOI: https://doi.org/10.1115/GT2020-15148
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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
Paper No: GT2020-15216
DOI: https://doi.org/10.1115/GT2020-15216
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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
Paper No: GT2020-16322
DOI: https://doi.org/10.1115/GT2020-16322
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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
Article Type: Research Papers
J. Turbomach. October 2020, 142(10): 101011.
Paper No: TURBO-19-1258
DOI: https://doi.org/10.1115/1.4046452
Published Online: September 18, 2020
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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
Article Type: Research Papers
J. Turbomach. October 2020, 142(10): 101012.
Paper No: TURBO-19-1259
DOI: https://doi.org/10.1115/1.4046453
Published Online: September 18, 2020
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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
Article Type: Research Papers
J. Turbomach. June 2020, 142(6): 061003.
Paper No: TURBO-19-1180
DOI: https://doi.org/10.1115/1.4046494
Published Online: May 12, 2020
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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
Paper No: GT2019-90824
DOI: https://doi.org/10.1115/GT2019-90824
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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
Paper No: GT2019-91229
DOI: https://doi.org/10.1115/GT2019-91229
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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
Paper No: GT2019-90795
DOI: https://doi.org/10.1115/GT2019-90795
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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
Paper No: GT2019-90790
DOI: https://doi.org/10.1115/GT2019-90790
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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
Article Type: Research-Article
J. Turbomach. March 2019, 141(3): 031003.
Paper No: TURBO-18-1164
DOI: https://doi.org/10.1115/1.4042066
Published Online: January 16, 2019
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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
Paper No: GT2018-75624
DOI: https://doi.org/10.1115/GT2018-75624
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Topics: Flow (Dynamics), Turbulence, Reynolds number, Separation (Technology), Boundary layers, Bubbles, Dynamics (Mechanics), Fittings, Particulate matter, Pressure gradient