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Proceedings Papers

Experimental Study on the Effect of Clocking on the Propagation of Inflow Pressure Distortions in a Low Pressure Turbine Stage

L. Simonassi, M. Zenz, P. Bruckner, S. Pramstrahler, F. Heitmeir, A. Marn

Proc. ASME. GT2020, Volume 10A: Structures and Dynamics, V10AT24A013, September 21–25, 2020

Paper No: GT2020-15123

DOI: https://doi.org/10.1115/GT2020-15123

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Topics: Aerodynamics, Inflow, Pressure, Rotor vibration, Strain gages, Turbines

Proceedings Papers

Aeroelastic and Aerodynamic Investigation of a Low Pressure Turbine Under the Influence of a Circumferential Inlet Distortion

L. Simonassi, M. Zenz, P. Bruckner, F. Heitmeir, A. Marn

Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT36A009, June 17–21, 2019

Paper No: GT2019-90887

DOI: https://doi.org/10.1115/GT2019-90887

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Topics: Pressure, Turbines, Blades, Engines, Inflow, Probes, Rotor vibration, Aerodynamics, Aircraft engines, Architecture

Proceedings Papers

Aeroacoustical and Aerodynamical Investigations of Riblets Applied on Low Pressure Turbine Exit Guide Vanes for Two Different Operating Points

M. Zenz, A. Hafizovic, L. Simonassi, P. Leitl, F. Heitmeir, A. Marn

Proc. ASME. GT2019, Volume 2B: Turbomachinery, V02BT43A001, June 17–21, 2019

Paper No: GT2019-90283

DOI: https://doi.org/10.1115/GT2019-90283

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Topics: Guide vanes, Pressure, Turbines, Suction, Acoustics, Blades, Design, Fuel consumption, Probes, Aircraft

Proceedings Papers

On the Influence of an Acoustically Optimized Turbine Exit Casing Onto the Unsteady Flow Field Downstream of a Low Pressure Turbine Rotor

L. Simonassi, M. Zenz, S. Zerobin, F. Heitmeir, A. Marn, T. Selic

Proc. ASME. GT2018, Volume 2A: Turbomachinery, V02AT45A027, June 11–15, 2018

Paper No: GT2018-76725

DOI: https://doi.org/10.1115/GT2018-76725

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Topics: Acoustics, Pressure, Rotors, Turbines, Unsteady flow, Thermoelectric coolers, Flow (Dynamics), Guide vanes, Noise (Sound), Acoustic emissions

Proceedings Papers

The Unsteady Flow Field of a Purged High Pressure Turbine Based on Mode Detection

S. Zerobin, S. Bauinger, A. Marn, A. Peters, F. Heitmeir, E. Göttlich

Proc. ASME. GT2017, Volume 2D: Turbomachinery, V02DT46A008, June 26–30, 2017

Paper No: GT2017-63619

DOI: https://doi.org/10.1115/GT2017-63619

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Topics: High pressure (Physics), Turbines, Unsteady flow, Ducts, Flow (Dynamics), Pressure, Rotors, Acoustic emissions, Blades, Cavities

Proceedings Papers

Experimental Investigation of the Upstream Effect of Different Low Pressure Turbine Exit Guide Vane Designs on Rotor Blade Vibration

F. Schönleitner, T. Selic, C. Schitter, F. Heitmeir, A. Marn

Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT34A001, June 13–17, 2016

Paper No: GT2016-56067

DOI: https://doi.org/10.1115/GT2016-56067

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Topics: Blades, Guide vanes, Pressure, Rotors, Turbines, Vibration, Thermoelectric coolers, Acoustics, Design, Emissions

Proceedings Papers

Acoustic Mode Analysis: Numerical and Experimental Results of a Turning Mid Turbine Frame

S. Zerobin, P. Bader, C. Faustmann, A. Marn, E. Göttlich, F. Heitmeir

Proc. ASME. GT2016, Volume 2A: Turbomachinery, V02AT41A011, June 13–17, 2016

Paper No: GT2016-57754

DOI: https://doi.org/10.1115/GT2016-57754

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Topics: Acoustics, Turbines, Turning, Rotors, Pressure, Computational fluid dynamics, Noise (Sound), Sound pressure, Blades, Machine dynamics

Proceedings Papers

Turbine Noise Reduction: Axial Spacing and Embedded Design

C. Faustmann, S. Zerobin, S. Bauinger, A. Marn, F. Heitmeir, E. Göttlich

Proc. ASME. GT2015, Volume 2B: Turbomachinery, V02BT41A011, June 15–19, 2015

Paper No: GT2015-43565

DOI: https://doi.org/10.1115/GT2015-43565

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Topics: Design, Noise control, Turbines, Flow (Dynamics), Rotors, Acoustics, Noise (Sound), Pressure, Blades, Circuits

Proceedings Papers

Modal Characterization, Strain Gauge Setup and 1-Way FSI of a Low Pressure Turbine Rotor Blading

F. Schönleitner, L. Traussnig, F. Heitmeir, A. Marn

Proc. ASME. GT2015, Volume 7B: Structures and Dynamics, V07BT32A015, June 15–19, 2015

Paper No: GT2015-42717

DOI: https://doi.org/10.1115/GT2015-42717

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Topics: Fluid structure interaction, Pressure, Rotors, Strain gages, Turbines, Blades, Deformation, Stators, Telemetry, Vibration measurement

Proceedings Papers

Comparison of the Experimental Results Between a 2D EGV Cascade Test and a Rig Test Under Engine Representative Conditions

F. Schönleitner, H. Koch, T. Selic, M. Hoeger, A. Marn

Proc. ASME. GT2014, Volume 2C: Turbomachinery, V02CT38A053, June 16–20, 2014

Paper No: GT2014-26915

DOI: https://doi.org/10.1115/GT2014-26915

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Topics: Cascades (Fluid dynamics), Engines, Aircraft engines, Bearings, Flow (Dynamics), Fluid mechanics, Guide vanes, Pressure, Stress, Thermoelectric coolers

Proceedings Papers

Experimental Investigation of the Noise Generation and Propagation for Different Turning Mid Turbine Frame Setups in a Two-Stage Two-Spool Test Turbine

C. Faustmann, D. Lengani, R. Spataro, A. Marn, E. Göttlich, F. Heitmeir

Proc. ASME. GT2013, Volume 6C: Turbomachinery, V06CT39A008, June 3–7, 2013

Paper No: GT2013-95698

DOI: https://doi.org/10.1115/GT2013-95698

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Topics: Noise (Sound), Turbines, Turning, Acoustics, Flow (Dynamics), Microphone arrays, Microphones, Pressure, Acoustic emissions, Aerodynamics

Journal Articles

The Effect of Rotor Tip Clearance Size onto the Separated Flow Through a Super-Aggressive S-Shaped Intermediate Turbine Duct Downstream of a Transonic Turbine Stage

A. Marn, E. Göttlich, F. Malzacher, H. P. Pirker

J. Turbomach. September 2012, 134(5): 051019.

DOI: https://doi.org/10.1115/1.4004446

Published Online: May 11, 2012

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Topics: Ducts, Flow (Dynamics), Pressure, Rotors, Turbines, Clearances (Engineering), Boundary layers, Mach number, Probes, Flow visualization

Journal Articles

The Application of Low-Profile Vortex Generators in an Intermediate Turbine Diffuser

C. Santner, E. Göttlich, A. Marn, J. Hubinka, B. Paradiso

J. Turbomach. January 2012, 134(1): 011023.

DOI: https://doi.org/10.1115/1.4003718

Published Online: June 1, 2011

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Topics: Ducts, Flow (Dynamics), Turbines, Vortices, Pressure, Separation (Technology), Flow visualization, Generators, Diffusers

Proceedings Papers

The Application of Low-Profile Vortex Generators in an Intermediate Turbine Diffuser

C. Santner, E. Go¨ttlich, A. Marn, J. Hubinka, B. Paradiso

Proc. ASME. GT2010, Volume 7: Turbomachinery, Parts A, B, and C, 1445-1455, June 14–18, 2010

Paper No: GT2010-22892

DOI: https://doi.org/10.1115/GT2010-22892

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Topics: Diffusers, Generators, Turbines, Vortices, Ducts, Flow (Dynamics), Separation (Technology), Pressure, Boundary layers, Aircraft engines

Proceedings Papers

The Effect of Rotor Tip Clearance Size Onto the Separated Flow Through a Super-Aggressive S-Shaped Intermediate Turbine Duct Downstream of a Transonic Turbine Stage

A. Marn, E. Go¨ttlich, F. Malzacher, H. P. Pirker

Proc. ASME. GT2009, Volume 7: Turbomachinery, Parts A and B, 1089-1103, June 8–12, 2009

Paper No: GT2009-59934

DOI: https://doi.org/10.1115/GT2009-59934

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Topics: Clearances (Engineering), Ducts, Flow (Dynamics), Rotors, Turbines, Pressure, Separation (Technology), Aircraft engines, Blades, Diffusion (Physics)

Proceedings Papers

Numerical Investigation of the Effect of Tip Leakage Flow on an Aggressive S-Shaped Intermediate Turbine Duct

W. Sanz, M. Kelterer, R. Pecnik, A. Marn, E. Go¨ttlich

Proc. ASME. GT2009, Volume 7: Turbomachinery, Parts A and B, 905-915, June 8–12, 2009

Paper No: GT2009-59535

DOI: https://doi.org/10.1115/GT2009-59535

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Topics: Ducts, Leakage flows, Turbines, Flow (Dynamics), Pressure, Diffusion (Physics), Rotors, High pressure (Physics), Aircraft engines, Blades

Proceedings Papers

Shorten the Intermediate Turbine Duct Length by Applying an Integrated Concept

A. Marn, E. Go¨ttlich, D. Cadrecha, H. P. Pirker

Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 1041-1051, June 9–13, 2008

Paper No: GT2008-50269

DOI: https://doi.org/10.1115/GT2008-50269

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Topics: Ducts, Turbines, Flow (Dynamics), Design, Engines, Struts (Engineering), Weight (Mass), Bearings, Chords (Trusses), Pressure

Journal Articles

Shorten the Intermediate Turbine Duct Length by Applying an Integrated Concept

A. Marn, E. Göttlich, D. Cadrecha, H. P. Pirker

J. Turbomach. October 2009, 131(4): 041014.

DOI: https://doi.org/10.1115/1.3070578

Published Online: July 6, 2009

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Topics: Design, Ducts, Flow (Dynamics), Pressure, Struts (Engineering), Turbines, Mach number, Probes, Blades, Yaw

Proceedings Papers

The Influence of Blade Tip Gap Variation on the Flow Through an Aggressive S-Shaped Intermediate Turbine Duct Downstream a Transonic Turbine Stage: Part I — Time-Averaged Results

A. Marn, E. Go¨ttlich, R. Pecnik, F. J. Malzacher, O. Schennach, H. P. Pirker

Proc. ASME. GT2007, Volume 6: Turbo Expo 2007, Parts A and B, 575-585, May 14–17, 2007

Paper No: GT2007-27405

DOI: https://doi.org/10.1115/GT2007-27405

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Topics: Blades, Ducts, Flow (Dynamics), Turbines, Pressure, Diffusion (Physics), Aircraft engines, Probes, Boundary layers, Design

Proceedings Papers

The Effect of Vane Clocking on the Unsteady Flowfield in a One and a Half Stage Transonic Turbine

O. Schennach, R. Pecnik, B. Paradiso, E. Go¨ttlich, A. Marn, J. Woisetschla¨ger

Proc. ASME. GT2007, Volume 6: Turbo Expo 2007, Parts A and B, 793-802, May 14–17, 2007

Paper No: GT2007-27848

DOI: https://doi.org/10.1115/GT2007-27848

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Topics: Turbines, High pressure (Physics), Laser Doppler anemometry, Machinery, Pressure, Pressure transducers, Shock (Mechanics), Transients (Dynamics), Wakes

Journal citation

NARROW

Experimental Study on the Effect of Clocking on the Propagation of Inflow Pressure Distortions in a Low Pressure Turbine Stage

Aeroelastic and Aerodynamic Investigation of a Low Pressure Turbine Under the Influence of a Circumferential Inlet Distortion

Aeroacoustical and Aerodynamical Investigations of Riblets Applied on Low Pressure Turbine Exit Guide Vanes for Two Different Operating Points

On the Influence of an Acoustically Optimized Turbine Exit Casing Onto the Unsteady Flow Field Downstream of a Low Pressure Turbine Rotor

The Unsteady Flow Field of a Purged High Pressure Turbine Based on Mode Detection

Experimental Investigation of the Upstream Effect of Different Low Pressure Turbine Exit Guide Vane Designs on Rotor Blade Vibration

Acoustic Mode Analysis: Numerical and Experimental Results of a Turning Mid Turbine Frame

Turbine Noise Reduction: Axial Spacing and Embedded Design

Modal Characterization, Strain Gauge Setup and 1-Way FSI of a Low Pressure Turbine Rotor Blading

Comparison of the Experimental Results Between a 2D EGV Cascade Test and a Rig Test Under Engine Representative Conditions

Experimental Investigation of the Noise Generation and Propagation for Different Turning Mid Turbine Frame Setups in a Two-Stage Two-Spool Test Turbine

The Effect of Rotor Tip Clearance Size onto the Separated Flow Through a Super-Aggressive S-Shaped Intermediate Turbine Duct Downstream of a Transonic Turbine Stage

The Application of Low-Profile Vortex Generators in an Intermediate Turbine Diffuser

The Application of Low-Profile Vortex Generators in an Intermediate Turbine Diffuser

The Effect of Rotor Tip Clearance Size Onto the Separated Flow Through a Super-Aggressive S-Shaped Intermediate Turbine Duct Downstream of a Transonic Turbine Stage

Numerical Investigation of the Effect of Tip Leakage Flow on an Aggressive S-Shaped Intermediate Turbine Duct

Shorten the Intermediate Turbine Duct Length by Applying an Integrated Concept

Shorten the Intermediate Turbine Duct Length by Applying an Integrated Concept

The Influence of Blade Tip Gap Variation on the Flow Through an Aggressive S-Shaped Intermediate Turbine Duct Downstream a Transonic Turbine Stage: Part I — Time-Averaged Results

The Effect of Vane Clocking on the Unsteady Flowfield in a One and a Half Stage Transonic Turbine

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