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Filippo Merli
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Proceedings Papers

The Development of Turbulence Quantities in Different Intermediate Turbine Duct Configurations

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Asim Hafizovic, Nicolas Krajnc, Filippo Merli, Marian Staggl, Francesco Mangini, Patrick Zeno Sterzinger, Andreas Marn, Emil Göttlich
Proc. ASME. GT2024, Volume 12D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V12DT36A011, June 24–28, 2024
Publisher: American Society of Mechanical Engineers
Paper No: GT2024-126475
https://doi.org/10.1115/GT2024-126475
View Paper titled, The Development of Turbulence Quantities in Different Intermediate Turbine Duct Configurations
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Topics: Anisotropy, Ducts, Energy dissipation, Turbines, Turbulence, Wire
Journal Articles

Impact of High-Pressure-Turbine Purge Flow on the Evolution of Turbulence in a Turbine Vane Frame

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Asim Hafizovic, Filippo Merli, Nicolas Krajnc, Malte Schien, Andreas Peters, Franz Heitmeir, Emil Göttlich
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. August 2024, 146(8): 081005.
Paper No: TURBO-23-1283
https://doi.org/10.1115/1.4064817
Published Online: March 12, 2024
View Articletitled, Impact of High-Pressure-Turbine Purge Flow on the Evolution of Turbulence in a Turbine Vane Frame
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Topics: Flow (Dynamics), Turbines, Turbulence, Rotors, Pressure, Anisotropy
Journal Articles

Unsteady Investigation of Intermediate Turbine Ducts Under the Influence of Purge Flows

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Filippo Merli, Nicolas Krajnc, Asim Hafizovic, Malte Schien, Emil Göttlich
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. May 2024, 146(5): 051014.
Paper No: TURBO-23-1290
https://doi.org/10.1115/1.4064319
Published Online: January 16, 2024
View Articletitled, Unsteady Investigation of Intermediate Turbine Ducts Under the Influence of Purge Flows
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Topics: Ducts, Flow (Dynamics), Pressure, Turbines, Rotors
Journal Articles

Adaptation of von Karman Institute for Fluid Dynamics’ Isentropic Compression Tube Facility for High-Speed Low-Pressure Turbines Testing

Open Access
Antonino Federico Maria Torre, Filippo Merli, Lorenzo Da Valle, Marios Patinios, Sergio Lavagnoli, Pintat Ludovic
Journal: Journal of Turbomachinery
Publisher: ASME
Article Type: Research Papers
J. Turbomach. April 2024, 146(4): 041008.
Paper No: TURBO-23-1167
https://doi.org/10.1115/1.4064067
Published Online: December 18, 2023
View Articletitled, Adaptation of von Karman Institute for Fluid Dynamics’ Isentropic Compression Tube Facility for High-Speed Low-Pressure Turbines Testing
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Topics: Cavities, Design, Flow (Dynamics), Instrumentation, Pressure, Probes, Turbines, Testing, Rotors, Blades
Proceedings Papers

Adaptation of VKI’s Isentropic Compression Tube Facility for High-Speed Low-Pressure Turbines Testing

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Antonino Federico Maria Torre, Filippo Merli, Lorenzo Da Valle, Marios Patinios, Sergio Lavagnoli, Ludovic Pintat
Proc. ASME. GT2023, Volume 4: Controls, Diagnostics, and Instrumentation, V004T05A024, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-103436
https://doi.org/10.1115/GT2023-103436
View Paper titled, Adaptation of VKI’s Isentropic Compression Tube Facility for High-Speed Low-Pressure Turbines Testing
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Topics: Compression, Pressure, Testing, Turbines
Proceedings Papers

Unsteady Investigation of Intermediate Turbine Ducts Under the Influence of Purge Flows

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Filippo Merli, Nicolas Krajnc, Asim Hafizovic, Malte Schien, Emil Göttlich
Proc. ASME. GT2023, Volume 13C: Turbomachinery — Deposition, Erosion, Fouling, and Icing; Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V13CT33A014, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-104211
https://doi.org/10.1115/GT2023-104211
View Paper titled, Unsteady Investigation of Intermediate Turbine Ducts Under the Influence of Purge Flows
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Topics: Ducts, Flow (Dynamics), Turbines, Engines, Turbofans, Pressure, Rotors, Unsteady flow, Aerodynamic flow, Cavities
Proceedings Papers

Impact of High-Pressure-Turbine Purge Flow on the Evolution of Turbulence in a Turbine Vane Frame

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Asim Hafizovic, Filippo Merli, Nicolas Krajnc, Malte Schien, Andreas Peters, Franz Heitmeir, Emil Göttlich
Proc. ASME. GT2023, Volume 13D: Turbomachinery — Multidisciplinary Design Approaches, Optimization, and Uncertainty Quantification; Radial Turbomachinery Aerodynamics; Unsteady Flows in Turbomachinery, V13DT36A020, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-102976
https://doi.org/10.1115/GT2023-102976
View Paper titled, Impact of High-Pressure-Turbine Purge Flow on the Evolution of Turbulence in a Turbine Vane Frame
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Topics: Flow (Dynamics), Pressure, Turbines, Turbulence
Journal Articles

The Interaction of Main Stream Flow and Cavity Flows in Turbine Center Frames and Turbine Vane Frames

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Filippo Merli, Asim Hafizovic, Nicolas Krajnc, Malte Schien, Andreas Peters, Franz Heitmeir, Emil Göttlich
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. February 2023, 145(2): 021027.
Paper No: GTP-22-1393
https://doi.org/10.1115/1.4055870
Published Online: December 5, 2022
View Articletitled, The Interaction of Main Stream Flow and Cavity Flows in Turbine Center Frames and Turbine Vane Frames
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Topics: Ducts, Flow (Dynamics), Pressure, Struts (Engineering), Turbines, Rotors, Vorticity, Cavities, Computational fluid dynamics
Proceedings Papers

Aerodynamic Assessment of Turbine Center Frames and Turbine Vane Frames Under the Influence of Purge Flows

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Filippo Merli, Asim Hafizovic, Nicolas Krajnc, Malte Schien, Andreas Peters, Franz Heitmeir, Emil Göttlich
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A013, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82502
https://doi.org/10.1115/GT2022-82502
View Paper titled, Aerodynamic Assessment of Turbine Center Frames and Turbine Vane Frames Under the Influence of Purge Flows
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Topics: Flow (Dynamics), Turbines, Ducts, Engines, Design, Pressure, Rotors, Blades, Cavities, Probes
Proceedings Papers

The Interaction of Main Stream Flow and Cavity Flows in Turbine Center Frames and Turbine Vane Frames

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Filippo Merli, Asim Hafizovic, Nicolas Krajnc, Malte Schien, Andreas Peters, Franz Heitmeir, Emil Göttlich
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A012, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82458
https://doi.org/10.1115/GT2022-82458
View Paper titled, The Interaction of Main Stream Flow and Cavity Flows in Turbine Center Frames and Turbine Vane Frames
Open the PDF for The Interaction of Main Stream Flow and Cavity Flows in Turbine Center Frames and Turbine Vane Frames in another window
Topics: Cavity flows, Flow (Dynamics), Turbines, Ducts, Engines, Boundary layers, Cavities, Probes, Rotors, Struts (Engineering)
Proceedings Papers

Numerical Investigation of a Turbine Vane Frame for Co- and Counter-Rotating Configuration

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Nicolas Krajnc, Filippo Merli, Asim Hafizovic, Andreas Peters, Emil Göttlich
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A004, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-81083
https://doi.org/10.1115/GT2022-81083
View Paper titled, Numerical Investigation of a Turbine Vane Frame for Co- and Counter-Rotating Configuration
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Topics: Turbines, Flow (Dynamics), Engines, Boundary-value problems, Aerodynamics, Architecture, Design engineering, Ducts, High pressure (Physics), Machine dynamics
Proceedings Papers

Unsteady Investigation of the Effect of Purge Air on the Flow Field Inside a Turbine Vane Frame Using Particle Image Velocimetry

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Malte Schien, Asim Hafizovic, Florian Planck, Filippo Merli, Jakob Woisetschläger, Emil Göttlich
Proc. ASME. GT2022, Volume 10C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V10CT33A015, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-82526
https://doi.org/10.1115/GT2022-82526
View Paper titled, Unsteady Investigation of the Effect of Purge Air on the Flow Field Inside a Turbine Vane Frame Using Particle Image Velocimetry
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Topics: Flow (Dynamics), Particulate matter, Turbines
Journal Articles

Unsteady Investigation of the Effect of Purge Air on the Flow Field Inside a Turbine Vane Frame Using Particle Image Velocimetry

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Malte Schien, Asim Hafizovic, Florian Planck, Filippo Merli, Jakob Woisetschläger, Emil Göttlich
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2022, 144(12): 121016.
Paper No: GTP-22-1292
https://doi.org/10.1115/1.4055663
Published Online: October 14, 2022
View Articletitled, Unsteady Investigation of the Effect of Purge Air on the Flow Field Inside a Turbine Vane Frame Using Particle Image Velocimetry
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Topics: Design, Flow (Dynamics), Particulate matter, Rotors, Turbines, Pressure, Stators, Fluids, Inflow
Proceedings Papers

The Interaction of Purge Flows With Secondary Flow Features in Turbine Center Frames

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Marios Patinios, Filippo Merli, Asim Hafizovic, Emil Göttlich
Proc. ASME. GT2021, Volume 2C: Turbomachinery — Design Methods and CFD Modeling for Turbomachinery; Ducts, Noise, and Component Interactions, V02CT35A002, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58586
https://doi.org/10.1115/GT2021-58586
View Paper titled, The Interaction of Purge Flows With Secondary Flow Features in Turbine Center Frames
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Topics: Flow (Dynamics), Turbines, Vortices, Pressure, Engines, Cavities, Rotors, Aircraft engines, Boundary layers, Design