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Proceedings Papers

Noise Attenuation Potential Using Helmholtz Absorbers Integrated in Low Pressure Turbine Exit Guide Vanes and Turbine Exit Casing End Walls

Manuel Zenz, Loris Simonassi, Philipp Bruckner, Simon Pramstrahler, Franz Heitmeir, Andreas Marn
Proc. ASME. GT2020, Volume 2D: Turbomachinery, V02DT36A007, September 21–25, 2020
Paper No: GT2020-14233
DOI: https://doi.org/10.1115/GT2020-14233
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Topics: Acoustics, Guide vanes, Noise (Sound), Pressure, Turbines
Proceedings Papers

Numerical Investigation of a Swirl Stabilized Methane Fired Burner and Validation With Experimental Data

Federica Farisco, Philipp Notsch, Rene Prieler, Felix Greiffenhagen, Jakob Woisetschlaeger, Franz Heitmeir, Christoph Hochenauer
Proc. ASME. GT2019, Volume 4A: Combustion, Fuels, and Emissions, V04AT04A028, June 17–21, 2019
Paper No: GT2019-90452
DOI: https://doi.org/10.1115/GT2019-90452
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Topics: Methane, Combustion, Computational fluid dynamics, Flow (Dynamics), Flamelet generated manifold, Gas turbines, Geometry, Heat, Numerical analysis, Aircraft engines
Journal Articles

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

Loris Simonassi, Manuel Zenz, Stefan Zerobin, Thorsten Selic, Franz Heitmeir, Andreas Marn
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. April 2019, 141(4): 041003.
Paper No: TURBO-18-1210
DOI: https://doi.org/10.1115/1.4041540
Published Online: January 21, 2019
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Topics: Pressure, Rotors, Thermoelectric coolers, Turbines, Flow (Dynamics), Stators
Proceedings Papers

Steady CFD Simulation of a High Pressure Turbine Rotor With Hub and Shroud Purge Flow

Wolfgang Sanz, Stefan Zerobin, Manfred Egger, Pascal Bader, Paul Pieringer, Emil Göttlich, Franz Heitmeir
Proc. ASME. GT2018, Volume 2B: Turbomachinery, V02BT41A010, June 11–15, 2018
Paper No: GT2018-75642
DOI: https://doi.org/10.1115/GT2018-75642
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Topics: Computational fluid dynamics, Flow (Dynamics), High pressure (Physics), Rotors, Simulation, Turbines, Vortices, Leakage, Vorticity, Boundary layers
Journal Articles

Aerodynamic Performance of Turbine Center Frames With Purge Flows—Part II: The Influence of Individual Hub and Tip Purge Flows

Stefan Zerobin, Christian Aldrian, Andreas Peters, Franz Heitmeir, Emil Göttlich
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. May 2018, 140(6): 061010.
Paper No: TURBO-17-1224
DOI: https://doi.org/10.1115/1.4039363
Published Online: May 3, 2018
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Topics: Cavities, Flow (Dynamics), Pressure, Rotors, Turbines
Journal Articles

Aerodynamic Performance of Turbine Center Frames With Purge Flows—Part I: The Influence of Turbine Purge Flow Rates

Stefan Zerobin, Andreas Peters, Sabine Bauinger, Ashwini Bhadravati Ramesh, Michael Steiner, Franz Heitmeir, Emil Göttlich
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. May 2018, 140(6): 061009.
Paper No: TURBO-17-1223
DOI: https://doi.org/10.1115/1.4039362
Published Online: May 3, 2018
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Topics: Flow (Dynamics), Pressure, Struts (Engineering), Turbines, Rotors, Cavities
Journal Articles

Experimental Investigation of Boundary Layer Relaminarization in Accelerated Flow

Pascal Bader, Manuel Pschernig, Wolfgang Sanz, Jakob Woisetschläger, Franz Heitmeir, Walter Meile, Günter Brenn
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. August 2018, 140(8): 081201.
Paper No: FE-17-1386
DOI: https://doi.org/10.1115/1.4039257
Published Online: March 29, 2018
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Topics: Boundary layers, Flow (Dynamics), Turbulence, Fluctuations (Physics), Skin friction (Fluid dynamics)
Journal Articles

Influence of Backward- and Forward-Facing Steps on the Flow Through a Turning Mid Turbine Frame

Sabine Bauinger, Emil Goettlich, Franz Heitmeir, Franz Malzacher
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. December 2017, 139(12): 121005.
Paper No: TURBO-17-1120
DOI: https://doi.org/10.1115/1.4037859
Published Online: September 26, 2017
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Topics: Ducts, Flow (Dynamics), Pressure, Probes, Turbines, Design, Rotors, Temperature
Proceedings Papers

Influence of Backward and Forward Facing Steps on the Flow Through a Turning Mid Turbine Frame

Sabine Bauinger, Franz Malzacher, Emil Goettlich, Franz Heitmeir
Proc. ASME. GT2017, Volume 2B: Turbomachinery, V02BT42A005, June 26–30, 2017
Paper No: GT2017-63351
DOI: https://doi.org/10.1115/GT2017-63351
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Topics: Flow (Dynamics), Turbines, Turning, Rotors, Ducts, Engines, Probes, Temperature, Additive manufacturing, Aircraft engines
Journal Articles

On Turbulence Measurements and Analyses in a Two-Stage Two-Spool Turbine Rig

Sabine Bauinger, Stephan Behre, Davide Lengani, Yavuz Guendogdu, Franz Heitmeir, Emil Goettlich
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. July 2017, 139(7): 071008.
Paper No: TURBO-15-1191
DOI: https://doi.org/10.1115/1.4035508
Published Online: March 7, 2017
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Topics: Flow (Dynamics), Fluctuations (Physics), Pressure, Probes, Rotors, Turbines, Turbulence, Wire, Blades, Signals
Proceedings Papers

Introduction of a Project-Based-Course in Turbine Stage Design for Undergraduate Students at Graz University of Technology

Andreas Marn, Florian Schönleitner, Johannes Peterleithner, Jakob Woisetschläger, Franz Heitmeir
Proc. ASME. GT2016, Volume 6: Ceramics; Controls, Diagnostics and Instrumentation; Education; Manufacturing Materials and Metallurgy, V006T07A001, June 13–17, 2016
Paper No: GT2016-56071
DOI: https://doi.org/10.1115/GT2016-56071
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Topics: Design, Turbines, Undergraduate students, Students, Blades, Finite element analysis, Fluid structure interaction, Pressure, Rotors, Annulus
Proceedings Papers

On the Effect of Axial Spacing Between Rotor and Stator Onto the Blade Vibrations of a Low Pressure Turbine Stage at Engine Relevant Operating Conditions

Andreas Marn, Florian Schönleitner, Mathias Mayr, Thorsten Selic, Franz Heitmeir
Proc. ASME. GT2016, Volume 7B: Structures and Dynamics, V07BT34A002, June 13–17, 2016
Paper No: GT2016-56069
DOI: https://doi.org/10.1115/GT2016-56069
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Topics: Blades, Engines, Pressure, Rotors, Stators, Turbines, Vibration, Excitation, Weight (Mass), Flow (Dynamics)
Proceedings Papers

Comparison of Flame Transfer Functions Acquired by Chemiluminescence and Density Fluctuation

Johannes Peterleithner, Riccardo Basso, Franz Heitmeir, Jakob Woisetschläger, Raimund Schlüßler, Jürgen Czarske, Andreas Fischer
Proc. ASME. GT2016, Volume 4B: Combustion, Fuels and Emissions, V04BT04A022, June 13–17, 2016
Paper No: GT2016-57485
DOI: https://doi.org/10.1115/GT2016-57485
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Topics: Chemiluminescence, Density, Flames, Transfer functions, Fluctuations (Physics), Waves, Heat, Lasers, Turbulence, Vortices
Proceedings Papers

Detecting Transition in Flat Plate Flow With Laser Interferometric Vibrometry (LIV)

Pascal Bader, Wolfgang Sanz, Johannes Peterleithner, Jakob Woisetschläger, Franz Heitmeir, Walter Meile, Günter Brenn
Proc. ASME. GT2016, Volume 2A: Turbomachinery, V02AT37A003, June 13–17, 2016
Paper No: GT2016-56043
DOI: https://doi.org/10.1115/GT2016-56043
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Topics: Flat plates, Flow (Dynamics), Lasers, Turbulence, Boundary layers, Engineering simulation, Fluids, Heat transfer, Laminar flow, Probes
Proceedings Papers

Flat-Plate Boundary Layers in Accelerated Flow

Pascal Bader, Manuel Pschernig, Wolfgang Sanz, Jakob Woisetschläger, Franz Heitmeir, Walter Meile, Günter Brenn
Proc. ASME. GT2016, Volume 2B: Turbomachinery, V02BT38A003, June 13–17, 2016
Paper No: GT2016-56044
DOI: https://doi.org/10.1115/GT2016-56044
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Topics: Boundary layers, Flat plates, Flow (Dynamics), Turbulence, Skin friction (Fluid dynamics), Geometry, Heat transfer, Lasers, Performance, Probes
Proceedings Papers

On Turbulence Measurements and Analyses in a Two-Stage Two-Spool Turbine Rig

Sabine Bauinger, Stephan Behre, Davide Lengani, Yavuz Guendogdu, Franz Heitmeir, Emil Goettlich
Proc. ASME. GT2015, Volume 2C: Turbomachinery, V02CT44A013, June 15–19, 2015
Paper No: GT2015-42698
DOI: https://doi.org/10.1115/GT2015-42698
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Topics: Turbines, Turbulence, Rotors, Signals, Fluctuations (Physics), Probes, Machine dynamics, Pressure, Turbomachinery, Wire
Journal Articles

Comparison of the Aerodynamics of Acoustically Designed Exit Guide Vanes and a State-of-the-Art Exit Guide Vane

Andreas Marn, Dominik Broszat, Thorsten Selic, Florian Schönleitner, Franz Heitmeir
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. April 2015, 137(4): 041002.
Paper No: TURBO-14-1135
DOI: https://doi.org/10.1115/1.4028457
Published Online: October 28, 2014
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Topics: Acoustics, Thermoelectric coolers, Pressure, Flow (Dynamics), Turbines
Proceedings Papers

Comparison of the Aerodynamics of Acoustically Designed EGVs and a State-of-the-Art EGV

Andreas Marn, Thorsten Selic, Florian Schönleitner, Franz Heitmeir, Dominik Broszat
Proc. ASME. GT2014, Volume 2A: Turbomachinery, V02AT41A005, June 16–20, 2014
Paper No: GT2014-26090
DOI: https://doi.org/10.1115/GT2014-26090
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Topics: Acoustics, Aerodynamics, Thermoelectric coolers, Engines, Turbines, Weight (Mass), Aircraft engines, Blades, Design, Guide vanes
Journal Articles

Development of a Turning Mid Turbine Frame With Embedded Design—Part I: Design and Steady Measurements

Rosario Spataro, Emil Göttlich, Davide Lengani, Christian Faustmann, Franz Heitmeir
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. July 2014, 136(7): 071008.
Paper No: TURBO-13-1194
DOI: https://doi.org/10.1115/1.4025949
Published Online: January 2, 2014
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Topics: Design, Flow (Dynamics), Pressure, Rotors, Struts (Engineering), Turbines, Ducts
Journal Articles

Development of a Turning Mid Turbine Frame With Embedded Design—Part II: Unsteady Measurements

Rosario Spataro, Emil Göttlich, Davide Lengani, Christian Faustmann, Franz Heitmeir
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. July 2014, 136(7): 071012.
Paper No: TURBO-13-1222
DOI: https://doi.org/10.1115/1.4025950
Published Online: January 2, 2014
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Topics: Flow (Dynamics), Fluctuations (Physics), Pressure, Rotors, Turbines, Design, Blades, Struts (Engineering), Wakes