Andreas Marn

Priv.-Doz. Dipl.-Ing. Dr.techn.

1995 …2021
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Research Output 2004 2018

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Conference contribution
2018

Impact of Purge Flows on the Unsteady HPT Stator-Rotor Interaction

Zerobin, S., Peters, A., Marn, A., Heitmeir, F. & Göttlich, E., 2018, Proceedings of GPPS Forum 18. 10 p. GPPS2018-0026

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

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

Simonassi, L., Zenz, M., Zerobin, S., Selic, T., Heitmeir, F. & Marn, A., Jun 2018, ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers (ASME), Vol. 2A: Turbomachinery. 12 p. Paper No. GT2018-76725

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Unsteady flow
Flow fields
Turbines
Rotors
Aerodynamics
2017

Experimental Determination of the Effectiveness of a Sound Absorbing Turbine Exit Casing

Zenz, M., Schönleitner, F., Simonassi, L., Bauinger, S., Broszat, D., Heitmeir, F. & Marn, A., 2017, Proceedings of 12th European Conference on Turbomachinery Fluid Dynamics and Thermodynamics.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Influence of measurement grid resolution on duct loss evaluation

Zerobin, S., Steiner, M., Bauinger, S., Marn, A., Göttlich, E. & Heitmeir, F., 2017, 12th European Conference on Turbomachinery Fluid Dynamics and Thermodynamics. ETC2017-150

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Influence of Operational Geometry Changes on Turbine Acoustics

Bauinger, S., Zerobin, S., Marn, A., Göttlich, E. & Heitmeir, F., 2017, Proceedungs of the ASME Turbo Expo.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

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

Zerobin, S., Bauinger, S., Marn, A., Peters, A., Heitmeir, F. & Göttlich, E., 2017, Proceedings of the ASME Turbo Expo. Vol. 2D-2017. GT2017-63619

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2016

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

Zerobin, S., Bader, P., Faustmann, C., Marn, A., Göttlich, E. & Heitmeir, F., 2016, Proceedings of the ASME Turbo Expo. Vol. Volume 2A-2016. GT2016-57754

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

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

Marn, A., Schönleitner, F., Peterleithner, J., Woisetschläger, J. & Heitmeir, F., 2016, Proceedings of the ASME Turbo Expo. p. GT2016-56071

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Numerical and Experimental Results of a Turning Mid Turbine Frame with Embedded Design in terms of Acoustic Mode Analysis

Zerobin, S., Bader, P., Faustmann, C., Marn, A., Heitmeir, F. & Göttlich, E., 2016, 22nd AIAA/CEAS Aeroacoustics Conference.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2015

Acoustic Comparison of Different Turbine Exit Guide Vane Designs- Part 1: Design Philosophy and Numerical Predictions

Broszat, D., Marn, A., Hoeger, M., Selic, T., Schönleitner, F. & Heitmeir, F., 2015, 21st AIAA/CEAS Aeroacosutic Conference. ., p. 1-10

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Acoustic Comparison of Different Turbine Exit Guide Vane Designs- Part2: Experimental Analysis

Marn, A., Selic, T., Schönleitner, F., Zerobin, S., Broszat, D., Hoeger, M. & Heitmeir, F., 2015, 21st AIAA/CEAS Aeroacoustics Conference 2015. ., p. 1-11

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Comparison of an Acoustically Optimized and an Aerodynamically Optimized Exit Guide Vane

Selic, T., Marn, A., Schönleitner, F., Broszat, D., Hoeger, M. & Heitmeir, F., 2015, 11th European Conference on Turbomachinery Fluid Dynamics and Thermodynamics. ., p. 1-13

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Detection of blade mistuning in a low pressure turbine rotor resulting from manufacturing tolerances and differences in blade mounting

Schönleitner, F., Traußnig, L. M., Marn, A. & Heitmeir, F., 2015, SIRM. ., p. 1-10

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Impact of Passive Tip-Injection on Tip-Leakage Flow in Axial Low Pressure Turbine Stage

Ghaffari, P., Willinger, R., Bauinger, S. & Marn, A., 2015, ASME Turbo Expo 2015. ., p. 42226-1-42226-11

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Interferometric investigation of the thermoacoustics in a swirl stabilized methane flame

Peterleithner, J., Marn, A. & Woisetschläger, J., 2015, Proceedings of the ASME Turbo Expo. p. 42743-42743

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Modal characterization, strain gauge setup and 1-way FSI of a low pressure turbine rotor blading

Schönleitner, F., Traußnig, L. M., Heitmeir, F. & Marn, A., 2015, ASME Turbo Expo. ., p. 1-13

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

On the Acoustics of a Turning Mid Turning Frame with Embedded Design in a Two-Stage Test-Turbine

Faustmann, C., Zerobin, S., Spataro, R., Marn, A., Heitmeir, F. & Göttlich, E., 2015, (Accepted/In press) European Conference on Turbomachinery Fluid Dynamics and Thermodynamics. .

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Turbine Noise Reduction: Axial Spacing and Embedded Design

Faustmann, C., Zerobin, S., Bauinger, S., Marn, A., Heitmeir, F. & Göttlich, E., 2015, Proceedings of ASME Turbo Expo. ., p. 43565-1-43565-10

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2014

Comparison of a State of the Art and a High Stage Loading Rotor

Selic, T., Lengani, D., Broszat, D., Schönleitner, F. & Marn, A., 2014, Proceedings of the ASME Turbo Expo . American Society of Mechanical Engineers(ASME), Vol. 2C Turbomachinery. p. 1-12 GT2014-26895

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

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

Marn, A., Broszat, D., Selic, T., Schönleitner, F. & Heitmeir, F., 2014, ASME Turbo Expo. ., p. 1-12

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Comparison of the experimental results between a 2D EGV cascade test and a rig test under engine representative conditions

Schönleitner, F., Koch, H., Selic, T., Höger, M. & Marn, A., 2014, ASME Turbo Expo. ., p. 1-15

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Noise generation and propagation for different turning mid turbine frame setups in a two shaft test turbine

Faustmann, C., Zerobin, S., Marn, A., Spitalny, M., Broszat, D. & Göttlich, E., 2014, 20th AIAA/CEAS Aeroacoustics Conference 2014. ., p. 1888811-1-1888811-16

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

On the Influence of Rotor Design on an Acoustically 3d-Designed Turbine Exit Guide Vane

Selic, T. & Marn, A., 2014, AIAA/CEAS Aeroacoustics Conference. ., p. 1-11

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

The effect of airfoil clocking on noise generation and propagation in a two shaft test turbine

Faustmann, C., Bauinger, S., Marn, A. & Göttlich, E., 2014, 20th AIAA/CEAS Aeroacoustics Conference 2014. ., p. 1887191-1-1887191-13

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2013

EXPERIMENTAL INVESTIGATION OF THE NOISE GENERATION AND PROPAGATION FOR DIFFERENT TURNING MID TURBINE FRAME SETUPS IN A TWO-STAGE TWO-SPOOL TEST TURBINE

Faustmann, C., Lengani, D., Spataro, R., Marn, A., Göttlich, E. & Heitmeir, F., 2013, ASME Turbo Expo. ., p. 1-11

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Frequency resolved density fluctuations measurements of combustion oscillations in a model combustor

Peterleithner, J., Marn, A., Leitgeb, T. & Woisetschläger, J., 2013, 49th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibt. ., p. 1589261-0

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Verification of the Inverse Cut-Off Effect in a Turbomachinery Stage; Part 2-Comparison to Experimental Results

Broszat, D., Selic, T. & Marn, A., 2013, 19th AIAA/CEAS Aeroacoustics Conference 2013, 34th AIAA Aeroacoustics Conference. ., p. 1-8

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2012

Aerodynamic Effects of an Unshrouded Low Pressure Turbine on a Low Aspect Ratio Exit Guide Vane

Selic, T., Lengani, D., Marn, A. & Heitmeir, F., 2012, Proceedings of the ASME Turrbo Expo. ., p. 1-13

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Analysis of the Unsteady Flow Field in Turbines by Means of Modal Decomposition

Lengani, D., Selic, T., Spataro, R., Marn, A. & Göttlich, E., 2012, Proceedings of the ASME Turrbo Expo. ., p. 1-11

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Analytical Determination of the Orthotropic Material Behaviour of Stator Bars in the Range of the Windings

Schlegl, B., Schönleitner, F., Marn, A., Neumayer, F. & Heitmeir, F., 2012, IET International Conference on Power Electronics, Machines and Drives. ., p. 1-8

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Analytical Determination of the Orthotropic Material Behaviour of Stator Bars in the Range of the Windings and Determination of the Material Characteristics of the Orthotropic Composite Space Brackets via Experimental Modal Analysis and FE-Calculation

Schlegl, B., Schönleitner, F., Marn, A., Neumayer, F. & Heitmeir, F., 2012, International Conference on Electrical Machines. ., p. 1-10

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Development of a Full Parameterized FE-Modeling Tool for Efficient Vibration Investigations on End Windings of Turbo- and Hydro-Generators

Schlegl, B., Scheinecker, C., Marn, A., Neumayer, F., Himmelreich, M. & Heitmeir, F., 2012, 2012 XXth International Conference on Electrical Machines. Piscataway, NY: Institute of Electrical and Electronics Engineers, p. 2961-2968

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Numerical Analysis of Heat Transfer and Flow of Stator Duct Models

Schrittwieser, M., Marn, A., Farnleitner, E. & Kastner, G., 2012, International Conference on Electrical Machines. ., p. 1-6

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Verification of the Inverse Cut-Off Effect in a Turbomachinery Stage Part 1-Numerical Results

Broszat, D., Selic, T. & Marn, A., 2012, AIAA Applied Aerodynamics Conference. ., p. 1-9

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2011

A Method for the Determination of Turbulence Intensity b Means of a Fast Response Pressure Probe and its Application in a LP Turbine

Lengani, D., Paradiso, B. & Marn, A., 2011, Proceedings of the 10th International Symposium on Experimental and Computational Aerothermodynamics of Internal Flows. ., p. 1-10

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Identification of Spinning Mode in the Unsteady Flow Field of LP Turbine

Lengani, D., Paradiso, B., Marn, A. & Göttlich, E., 2011, ASME Turbo Expo. ., p. 1-10

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Validation of an Integrated Acoustic Absorber in a Turbine Exit Guide Vane

Broszat, D., Tapken, U., Enghardt, L., Lengani, D. & Marn, A., 2011, AIAA Applied Aerodynamics Conference. ., p. 1-7

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2010

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

Santner, C., Göttlich, E., Marn, A., Hubinka, J. & Paradiso, B., 2010, ASME Turbo Expo. ., p. 1-11

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2009

Comparison Between the Flow Through an Aggressive and a Super-Aggressive Intermediate Turbine Duct

Marn, A., Göttlich, E., Malzacher, F., Santner, C. & Heitmeir, F., 2009, International Symposium on Air Breathing Engines. ., p. 1-13

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

NUMERICAL INVESTIGATION OF THE EFFECT OF TIP LEAKAGE FLOW ON AN AGGRESSIVE S-SHAPED INTERMEDIATE TURBINE DUCT

Sanz, W., Kelterer, M. E., Pecnik, R., Marn, A. & Göttlich, E., 2009, ASME Turbo Expo 2009: Power for Land, Sea and Air GT2009 June 8-12, 2009, Orlando, Florida, USA, GT2009-59535. ., p. x-y

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Numerical Investigation of the Influence of Blade Tip Leakage Flow on the Flow Through an Aggressive S-Shaped Intermediate Turbine Duct Downstream a Transonic Turbine Stage

Sanz, W., Kelterer, M. E., Pecnik, R., Marn, A. & Göttlich, E., 2009, ASME Turbo Expo. ., p. x-y

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

On Flow Separation In a Super-Aggressive Intermediate Turbine Duct

Göttlich, E., Marn, A., Malzacher, F. & Heitmeir, F., 2009, European Conference on Turbomachinery Fluid Dynamics and Thermodynamics. ., p. 1389-1404

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

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

Marn, A., Göttlich, E., Malzacher, F. & Pirker, H-P., 2009, ASME Turbo Expo. ., p. 1-15

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

The Influence of Rotor Tip Clearance Size on the Flow Through an S-Shaped Intermediate Turbine Duct Shortened by an Applying an Integrated Concept

Marn, A., Göttlich, E., Leitgeb, T. & Heitmeir, F., 2009, European Conference on Turbomachinery Fluid Dynamics and Thermodynamics. ., p. 1365-1378

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2008

Shorten the Intermediate Turbine Duct Length by Applying an Integrated Concept

Marn, A., Göttlich, E., Cadrecha, D. & Pirker, H-P., 2008, ASME Turbo Expo. ., p. 1-11

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2007

Experimental Investigation of the Flow through an Aggressive Intermediate Turbine Duct Downstream of a Transonic Turbine Stage

Göttlich, E., Marn, A., Malzacher, F. J., Schennach, O. & Heitmeir, F., 2007, (Accepted/In press) European Conference on Turbomachinery Fluid Dynamics and Thermodynamics. .

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Influence of vane clocking on the unsteady flowfield in a one and a half stage transonic turbine

Schennach, O., Pecnik, R., Woisetschläger, J., Göttlich, E., Marn, A. & Heitmeir, F., 2007, European Conference on Turbomachinery. ., p. 1259-1272

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

The effect of vane clockling on the unsteady flowfield in a one and a half stage transonic turbine

Schennach, O., Pecnik, R., Paradiso, B., Göttlich, E., Marn, A. & Woisetschläger, J., 2007, ASME Turbo Expo. ., p. x-y

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

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-Average Results

Marn, A., Göttlich, E., Pecnik, R., Malzacher, F. J., Schennach, O. & Pirker, H. P., 2007, ASME Turbo Expo. ., p. 1-10

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

The Influence of Blade Tip Gap Variation on the Flow through an Aggressive S-Shaped Intermediate Turbine Duct Downstream a Transonic Turbine Stage - Part II: Time-Resolved Results and Surface Flow

Göttlich, E., Marn, A., Pecnik, R., Malzacher, F. J., Schennach, O. & Pirker, H. P., 2007, ASME Turbo Expo. ., p. 1-10

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review