Institut für Aerodynamik und Gasdynamik

Publikationen der Arbeitsgruppe Windenergie

sowie der Arbeitsgruppe Luftfahrzeugaerodynamik

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Waldmann, A., Lutz, T., Krämer, E.:
"Wind Tunnel Support System Influence on NASA Common Research Model at Low-Speed Conditions", Journal of Aircraft, Vol. 55, No. 5, pp. 1762-1772, 2018
doi:
https://doi.org/10.2514/1.C034440

P. Weihing, T. Wegmann, T. Lutz, E. Krämer, T. Kühn, A. Altmikus: "Numerical analyses and optimizations on the flow in the nacelle region of a wind turbine", Wind Energy Science, 3(1), 503-531, 2018.

Letzgus, P., Lutz, T., Krämer, E.: "Detached Eddy Simulations of the local Atmospheric Flow Field within a Forested Wind Energy Test Site located in Complex Terrain", Journal of Physics: Conference Series, Volume 1037
http://stacks.iop.org/1742-6596/1037/i=7/a=072043

Bühler, M., Weihing, P., Klein, L., Lutz, T., Krämer, E.: "Actuator Line Method Simulations for the Analysis of Wind Turbine Wakes Acting on Helicopters", Journal of Physics: Conference Series, Volume 1037
http://stacks.iop.org/1742-6596/1037/i=6/a=062004

Schulz, C., Letzgus, P., Weihing, P., Lutz, T., Krämer, E.: "Numerical simulation of the impact of atmospheric turbulence on a wind turbine in complex terrain", Journal of Physics: Conference Series, Volume 1037
http://stacks.iop.org/1742-6596/1037/i=7/a=072016

M. Cormier,  M. Caboni, T. Lutz, K. Boorsma, E. Krämer: "Numerical analysis of unsteady aerodynamics of floating offshore wind turbines", Journal of Physics: Conference Series, vol. 1037, 2018.
doi: https://doi.org/10.1088/1742-6596/1037/7/072048

G. Bangga: "Three-Dimensional Flow in the Root Region of Wind Turbine Rotors". Kassel university press GmbH, 2018.
doi: https://doi.org/10.19211/KUP9783737605373

G. Bangga, T. Lutz, E. Krämer: "Active separation control on a very thick wind turbine airfoil-A URANS and DDES perspective". Journal of Physics: Conference Series, vol. 1037, no. 2, p. 022025. IOP Publishing, 2018.
doi: https://doi.org/10.1088/1742-6596/1037/2/022025

G. Bangga, T. Lutz, E. Krämer: "Energy assessment of two vertical axis wind turbines in side-by-side arrangement". Journal of Renewable and Sustainable Energy 10 (3), 033303, 2018.
doi: https://doi.org/10.1063/1.5028199

Waldmann, A., Lutz, T., Krämer, E.: "Unsteady Simulation of the Separated Wake of a Transport Aircraft by Detached Eddy Simulation", New Results in Numerical and Experimental Fluid Mechanics XI, pp. 61–71. Springer International Publishing, Cham (2018)
doi:
https://doi.org/10.1007/978-3-319-64519-3_6

Waldmann, A., Lutz, T., Krämer, E.: "Wind Tunnel Support System Influence on NASA Common Research Model at Low-Speed Conditions", Journal of Aircraft, published online 9 Aug 2018
doi: https://doi.org/10.2514/1.C034440

D. Marten, S.  Bartholomay, G. Pechlivanoglou, C. N. Nayeri, O. C. Paschereit, A. C. Klein and Th. Lutz.
"Numerical and Experimental Investigation of Trailing Edge Flap Performance on a Model Wind Turbine",
2018 Wind Energy Symposium (2018).

A. C. Klein, S.  Bartholomay, D. Marten, Th. Lutz, G. Pechlivanoglou, C. N. Nayeri, O. C. Paschereit and E. Krämer.
"About the suitability of different numerical methods to reproduce model wind turbine measurements in a wind tunnel with a high blockage ratio",
Wind Energy Science (Copernicus GmbH), V. 3, 1, p. 439-460, 2018.
doi:
https://doi.org/10.5194/wes-3-439-2018

S. Bartholomay, D. Marten, M. Sánchez Matrínez, J. Alber, G. Pechlivanoglou, C. N. Nayeri, C. O. Paschereit, A. C.  Klein, Th. Lutz, Thorsten and E. Krämer.
"Cross-talk Compensation for Blade Root Flap- and Edgewise Moments on an Experimental Research Wind Turbine and Comparison to Numerical Results",
ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition (2018).


E. Jost, L. Klein, L. Leipprand, T. Lutz, E. Krämer.
"Extracting the angle of attack on rotor blades from CFD simulations",
Wind Energy, (2018).
doi: https://doi.org/10.1002/we.2196

Benjamin Arnold, Christof Rautmann, Thorsten Lutz, and Ewald Kraemer.
"Wind Turbine Trailing-Edge Noise Reduction by Means of Boundary-Layer Suction",
AIAA Journal, (2018), accessed February 15, 2018.
doi: https://doi.org/10.2514/1.J056633

Benjamin Arnold, Thorsten Lutz, and Ewald Kraemer.
"Design of a Boundary-Layer Suction System for Turbulent Trailing-Edge Noise Reduction of Wind Turbines",
Renewable Energy Journal, Volume 123, August 2018, pp. 249-262.
doi: https://doi.org/10.1016/j.renene.2018.02.050

Fischer, A., Flamm, A., Jost, E., Lutz, T., and Krämer, E.
"Numerical Investigation of a Model Wind Turbine"
New Results in Numerical and Experimental Fluid Mechanics XI, pp. 717–727,
https://doi.org/10.1007/978-3-319-64519-3_64, 2018

Klein, A., Zabel, S., Lutz, T., and Krämer, E.
"About the Influence of Wind Tunnel Walls, Tower and Nozzle on the Performance of a Model Wind Turbine"
High Performance Computing in Science and Engineering’17, pp. 339–353, Springer, 2018.

Rouven Mayer, Thorsten Lutz, and Ewald Krämer.
"Numerical Study on the Ability of Shock Control Bumps for Buffet Control",
AIAA Journal, (2018), accessed March 21, 2018.
https://doi.org/10.2514/1.J056737

Katharina Wawrzinek, Thorsten Lutz and Ewald Krämer.
"Numerical Simulations of Artificial Disturbance Influence on a High Lift Airfoil",
High Performance Computing in Science and Engineering '17, Springer
https://doi.org/10.1007/978-3-319-68394-2_19

Galih Bangga, Giorgia Guma, Thorsten Lutz, Ewald Krämer
"Numerical simulations of a large offshore wind turbine exposed to turbulent inflow conditions"
Wind Engineering 42, Issue 2, pp. 88 - 96, 2018
doi: https://doi.org/10.1177/0309524X18756958

Galih Bangga, Go Hutomo, Taurista Syawitri, Tri Kusumadewi, Winda Oktavia, Ahmad Sabila, Herlambang Setiadi, Muhamad Faisal, Yongki Hendranata, Dwi Lastomo, Louis Putra, Stefanus Kristiadi, Ilmi Bumi
"Enhancing BEM simulations of a stalled wind turbine using a 3D correction model"
Journal of Physics: Conference Series 974, 012020, 2018.

Galih Bangga, Tri Kusumadewi, Go Hutomo, Ahmad Sabila, Taurista Syawitri, Herlambang Setiadi, Muhamad Faisal, Raditya Wiranegara, Yongki Hendranata, Dwi Lastomo, Louis Putra, Stefanus Kristiadi
"Improving a two-equation eddy-viscosity turbulence model to predict the aerodynamic performance of thick wind turbine airfoils"
Journal of Physics: Conference Series 974, 012019, 2018

Galih Bangga, Pascal Weihing, Thorsten Lutz, Ewald Krämer
Hybrid RANS/LES simulations of the three-dimensional flow at root region of a 10 MW wind turbine rotor
New Results in Numerical and Experimental Fluid Mechanics XI, 707-716, 2018
doi: https://doi.org/10.1007/978-3-319-64519-3_63

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 2017

 
Thorsten Lutz, Christoph Schulz, Patrick Letzgus and Andreas Rettenmeier.
"Impact of Complex Orography on Wake Development: Simulation Results for the Planned WindForS Test Site",
Journal of Physics, Conference Series, Volume 854, conference 1
http://iopscience.iop.org/article/10.1088/1742-6596/854/1/012029

Pascal Weihing, Christoph Schulz, Thorsten Lutz and Ewald Krämer.
"Comparison of the Actuator Line Model with Fully Resolved Simulations in Complex Environmental Conditions",
Journal of Physics, Conference Series, Volume 854, conference 1
http://iopscience.iop.org/article/10.1088/1742-6596/854/1/012049

Benjamin Arnold, Christof Rautmann, Thorsten Lutz, and Ewald Kraemer.
"Design of a Boundary-Layer Suction System for Trailing-Edge Noise Reduction of an Industrial Wind Turbine",
35th Wind Energy Symposium, AIAA SciTech Forum, (AIAA 2017-1380)
http://dx.doi.org/10.2514/6.2017-1380

Rouven Mayer, Thorsten Lutz, and Ewald Kraemer.
"A Numerical Study on the Ability of Shock Control Bumps for Buffet Alleviation",
55th AIAA Aerospace Sciences Meeting, AIAA SciTech Forum, (AIAA 2017-0711)
http://dx.doi.org/10.2514/6.2017-0711

Jost, E., Fischer, A., Bangga, G., Lutz, T., and Krämer, E.:
An investigation of unsteady 3-D effects on trailing edge flaps,
Wind Energ. Sci., 2, 241-256, doi:10.5194/wes-2-241-2017, 2017.
http://www.wind-energ-sci.net/2/241/2017/

C. Hornung, C. Scheit, C. Napierala, M. Arnold, D. Bekiropoulos, A. Altmikus, T. Lutz:
Predicted and Measured Trailing-Edge Noise Emission for a 2.3 MW Wind Turbine.
7th international Conference on Wind Turbine Noise, Rotterdam, 2017

G. Bangga, T. Lutz, E. Jost, E. Krämer:
CFD studies on rotational augmentation at the inboard sections of a 10 MW wind turbine rotor, Journal of Renewable and Sustainable Energy 9 (2), 023304, 2017. http://dx.doi.org/10.1063/1.4978681

G. Bangga, P. Weihing, T. Lutz and E. Krämer:
Effect of computational grid on accurate prediction of a wind turbine rotor using delayed detached-eddy simulations, Journal of Mechanical Science and Technology 31 (5), 2359–2364, 2017. http://dx.doi.org/10.1007/s12206-017-0432-6

G. Bangga, T. Lutz and E. Krämer:
Root flow characteristics and 3D effects of an isolated wind turbine rotor, Journal of Mechanical Science and Technology 31 (8), 3839–3844, 2017.   http://dx.doi.org/10.1007/s12206-017-0728-6

G. Bangga, G. Hutomo, R. Wiranegara, H. Sasongko:
Numerical study on a single bladed vertical axis wind turbine under dynamic stall, Journal of Mechanical Science and Technology 31 (1), 261-267, 2017. http://dx.doi.org/10.1007/s12206-016-1228-9

G. Bangga and H. Sasongko:
Dynamic stall prediction of a pitching airfoil using an adjusted two-equation URANS turbulence model, Journal of Applied Fluid Mechanics 10 (1), 1-10, 2017. https://doi.org/10.18869/acadpub.jafm.73.238.26391

G. Bangga, M. Solichin, A. Daman, D. Sa’adiyah, A. Dessoky and T. Lutz:
Aerodynamic performance of a small vertical axis wind turbine using an overset grid method, AIP Conference Proceedings 1867 (1), 020005, 2017.  http://dx.doi.org/10.1063/1.4994408

G. Bangga, A. Ashfahani, E. Sugianto, D. Sa’adiyah, T. Putri, E. Jost, T. Lutz:
Three-dimensional flow in the vicinity of a circular cylinder mounted to a flat plate at high Reynolds number, AIP Conference Proceedings 1788 (1), 030012, 2017. http://aip.scitation.org/doi/abs/10.1063/1.4968265

D. Sa’adiyah, G. Bangga, W. Widodo and N. Ikhwan:
Numerical study of flow, combustion and emissions characteristics in a 625 MWe tangentially fired boiler with composition of coal 70% LRC and 30% MRC, AIP Conference Proceedings 1867 (1), 2017, 020007.  http://dx.doi.org/10.1063/1.4994410

A. Ashfahanil, G. Bangga, S. Budiprayitno, A. Yulianto, D. Ratnasari:
Constrained H∞/LTR control design for a mobile inverted pendulum, AIP Conference Proceedings 1788 (1), 030085, 2017. http://aip.scitation.org/doi/abs/10.1063/1.4968338

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 2016

Sayed, Th. Lutz, E. Krämer, Sh. Shayegan, A. Ghantasala, R. Wüchner and K.-U. Bletzinger
High fidelity CFD-CSD aeroelastic analysis of slender bladed horizontal-axis wind turbine
J. Phys.: Conf. Ser. 753 042009
http://iopscience.iop.org/article/10.1088/1742-6596/753/4/042009/meta

Sayed, Th. Lutz and E. Krämer
3-D Time-Accurate CFD Simulations of a Multi-Megawatt Slender Bladed HAWT under Yawed Inflow Conditions
J. Phys.: Conf. Ser. 749 012008
http://iopscience.iop.org/article/10.1088/1742-6596/749/1/012008

A. Sayed, T. Lutz, E. Krämer and F. Borisade
Aero-elastic analysis and classical flutter of a multi-megawatt slender bladed horizontal-axis wind turbine
Progress in Renewable Energies Offshore, C. Guedes Soares (Ed.) Taylor and Francis, London, 2016, pages 617-625

P. Colliss, H. Babinsky, K. Nübler, and T. Lutz,
"Vortical Structures on Three-Dimensional Shock Control Bumps",
AIAA Journal, Vol. 54, No. 8 (2016), pp. 2338-2350.
http://dx.doi.org/10.2514/1.J054669

L Klein, B Luhmann, K-N Rösch, T Lutz, P-W Cheng and E Krämer:
CFD simulation of a 2 bladed multi megawatt wind turbine with flexible rotor connection
J. Phys.: Conf. Ser. 753 022010
Link: http://iopscience.iop.org/article/10.1088/1742-6596/753/2/022010

Klein, L., Schulz, C., Lutz, T., & Krämer, E. 
Influence of Jet Flow on the Aerodynamics of a Floating Model Wind Turbine. In The 26th International Ocean and Polar Engineering Conference. International Society of Offshore and Polar Engineers. (2016, June)
Link: https://www.onepetro.org/conference-paper/ISOPE-I-16-407  

Yusik Kim, Eva Jost, Galih Bangga, Pascal Weihing and Thorsten Lutz,
Effects of ambient turbulence on the near wake of a wind turbine,
Journal of Physics: Conference Series, vol.753, p.032047, 2016.
http://iopscience.iop.org/article/10.1088/1742-6596/753/3/032047

Th. Lutz, P.P. Gansel, A. Waldmann, D.-M. Zimmermann and S. A. Schulte am Hülse:
“Prediction and Measurement of the Common Research Model Wake at Stall Conditions”,
Journal of Aircraft, 2016, Vol. 53, No. 2: 501-514, 10.2514/1.C033351.

Waldmann, P. Gansel, T. Lutz, E. Krämer:
Unsteady Wake of the NASA Common Research Model in Low-Speed Stall
Journal of Aircraft, Vol. 53, No. 4 (2016), pp. 1073-1086
http://arc.aiaa.org/doi/10.2514/1.C033413

Bangga,  Y. Kim,  T. Lutz, P. Weihing, E. Krämer,
Investigations of the inflow turbulence effect on rotational augmentation by means of CFD, Journal of Physics Conference Series 753(2):022026, 2016. http://iopscience.iop.org/article/10.1088/1742-6596/753/2/022026/meta

Hutomo, G. Bangga, H. Sasongko,
CFD Studies of the Dynamic Stall Characteristics on a Rotating Airfoil,  Applied Mechanics and Materials 836:109-114, 2016. http://www.scientific.net/AMM.836.109

Bangga, G. Hutomo, R. Wiranegara, H. Sasongko,
Numerical study on a single bladed vertical axis wind turbine under dynamic stall, Journal of Mechanical Science and Technology 31(1), 2017. (accepted)

Bangga, H. Sasongko,
Dynamic stall prediction of a pitching airfoil using an adjusted two-equation URANS turbulence model, Journal of Applied Fluid Mechanics 10 (1), 2017. (accepted)

Fischer, A., Lutz, T., Kramer, E., Cordes, U., Hufnagel, K., Tropea, C., Kampers, G., Hölling, M., Peinke, J.: Numerical and experimental investigation of an airfoil with load control in the wake of an active grid. In: Journal of Physics: Conference Series, vol. 753, p. 022036. IOP Publishing (2016)
http://iopscience.iop.org/article/10.1088/1742-6596/753/2/022036

Jost, A. Fischer, T. Lutz and E. Krämer:
An investigation of unsteady 3D effects on trailing edge flaps
J. Phys.: Conf. Ser. 753 022009 http://dx.doi.org/10.1088/1742-6596/753/2/022009

T. Barlas, E. Jost, G. Pirrung, T. Tsiantis, V. Riziotis, S.T. Navalkar, T. Lutz and J.W. van Wingerden
Benchmarking aerodynamic prediction of unsteady rotor aerodynamics of active flaps on wind turbine blades using ranging fidelity tools
J. Phys.: Conf. Ser. 753 022027 http://dx.doi.org/10.1088/1742-6596/753/2/022027

C. Ferreira, A. Gonzalez, D. Baldacchino, M. Aparicio, S. Gómez, X. Munduate, N.R. Garcia, J.N. Sørensen, E. Jost, S. Knecht, T. Lutz, P. Chassapogiannis, K. Diakakis, G. Papadakis, S. Voutsinas, J. Prospathopoulos, T. Gillebaart and A. van Zuijlen
Results of the AVATAR project for the validation of 2D aerodynamic models with experimental data of the DU95W180 airfoil with unsteady flap
J. Phys.: Conf. Ser. 753 022006 http://dx.doi.org/10.1088/1742-6596/753/2/022006

N. N. Sørensen, B. Méndez, A. Muñoz, G. Sieros, E. Jost, T. Lutz, G. Papadakis, S. Voutsinas, G.N. Barakos, S. Colonia, D. Baldacchino, C. Baptista and C. Ferreira
CFD code comparison for 2D airfoil flows
J. Phys.: Conf. Ser. 753 082019 http://dx.doi.org/10.1088/1742-6596/753/8/082019

J.G. Schepers, O. Ceyhan, K. Boorsma, A. Gonzalez, X Munduate, O Pires, N.N. Sørensen, C. Ferreira, G Sieros, J. Madsen, S. Voutsinas, T. Lutz, G. Barakos, S. Colonia, H. Heißelmann, F. Meng and A. Croce
Latest results from the EU project AVATAR: Aerodynamic modelling of 10 MW wind turbines
J. Phys.: Conf. Ser. 753 022017 http://dx.doi.org/10.1088/1742-6596/753/2/022017

Christoph Schulz, Martin Hofsäß, Jan Anger, Alexander Rautenberg, Thorsten Lutz, Po Wen Cheng and Jens Bange
Comparison of Different Measurement Techniques and a CFD Simulation in Complex Terrain
2016 J. Phys.: Conf. Ser. 753 082017

C Schulz, L Klein, P Weihing and Th Lutz
Investigations into the Interaction of a Wind Turbine with Atmospheric Turbulence in Complex Terrain
2016 J. Phys.: Conf. Ser. 753 032016

E.Jost, T. Lutz, E. Krämer
"A parametric CFD study of morphing trailing edge flaps on a 10 MW offshore wind turbine",
13th EERA DeepWind conference, Januar 2016, Trondheim, Norwegen
http://dx.doi.org/10.1016/j.egypro.2016.09.192

Schulz, C., Meister, K., Lutz, T., Krämer, E.
Investigations on the wake development of the mexico rotor considering different inflow conditions. In: Contributions to the 19th STAB/DGLR Symposium Munich, Germany 2014,New Results in Numerical and Experimental Fluid Mechanics X

Schulz, C., Fischer, A., Weihing, P., Lutz, T. and Krämer, E., 2016.
Evaluation and control of loads on wind turbines under different operating conditions by means of cfd. In High Performance Computing in Science and Engineering´ 15 (pp. 463-478). Springer International Publishing.

Christoph Schulz, Patrick Letzgus, Thorsten Lutz, Ewald Krämer
CFD study on the impact of yawed inflow on loads, power and near wake of a generic wind turbine, Wind Energy,1099-1824
http://onlinelibrary.wiley.com/doi/10.1002/we.2004/full

Yusik Kim, Pascal Weihing, Christoph Schulz, Thorsten Lutz
Do turbulence models deteriorate solutions using a non-oscillatory scheme?, Journal of Wind Engineering and Industrial Aerodynamics, Volume 156, September 2016, Pages 41-49, ISSN 0167-6105
http://www.sciencedirect.com/science/article/pii/S0167610516300666

Waldmann, A., Lutz, T., and Krämer, E.
"Wind Tunnel Support System Influence on NASA Common Research Model at Low Speed Conditions", 32nd AIAA Aerodynamic Measurement Technology and Ground Testing Conference, AIAA Aviation 2016, Washington, D.C., 13-17 June 2016, AIAA 2016-3655
DOI: 10.2514/6.2016-3655
URL: http://arc.aiaa.org/doi/abs/10.2514/6.2016-3655

Cordula Hornung, Thorsten Lutz, Ewald Krämer:
Convection Velocities for trailing edge noise prediction
Conference Paper, EWEA Phd Seminar 2016

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Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 2015

Sayed, Th. Lutz and E. Krämer
Aerodynamic investigation of flow over a multi-megawatt slender bladed horizontal-axis wind turbine
Renewable Energies Offshore, C. Guedes Soares (Ed.) CRC Press 2015, pages 773-780
http://www.crcnetbase.com/doi/10.1201/b18973-109

Ch. Schulz, M.Hofsäß, B.Peters, Th.Lutz, E. Krämer
A Southern German joint research project towards a better understanding of complex terrain sites
11th EAWE PhD Seminar on Wind Energy in Europe, 23.-25. September 2015, Stuttgart, Germany.

Thorsten Lutz, Benjamin Arnold, Dimitrios Bekiropoulos, Jonas Illg, Ewald Krämer, Alexander Wolf, Richard Hann and M. Kamruzzaman,
„Prediction of Flow-Induced Noise Sources of Wind Turbines,“
accepted for publication in: Special Issue of the International Journal of Aeroacoustics, 2015.

Fischer, T. Lutz, E. Krämer, U. Cordes, K. Hufnagel and C. Tropea,
"Experimental and Numerical Generation of Turbulent Inflow Conditions for Wind Turbine Airfoils",
12th German Wind Energy Conference DEWEK, 19./20. May 2015, Bremen, Germany, conference proceedings, 2015.

Mayer, D. Zimmermann, K. Wawrzinek, T. Lutz, E. Krämer:
Numerical Study of Three-Dimensional Shock Control Bump Flank Effects on Buffet Behavior
High Performance Computing in Science and Engineering '15

N. Nayeri, et. al,
"Collaborative Research on Wind Turbine Load Control under Realistic Turbulent Inflow Conditions",
12th German Wind Energy Conference DEWEK, 19./20. May 2015, Bremen, Germany

Mayer, T. Lutz, E. Krämer:
Toward Numerical Optimization of Buffet Alleviating Three-Dimensional Shock Control Bumps
6th European Conference for Aerospace Sciences, Krakow, June 29 - July 03, 2015

Lutz, T.; Gansel, P. P.; Waldmann, A.; Zimmermann, D.-M.; Schulte am Hülse, S A.:
“Prediction and Measurement of the Common Research Model Wake at Stall Conditions”,
53rd AIAA Aerospace Sciences Meeting, Kissimmee (FL), USA, 5 – 9 January, AIAA 2015-1094, 2015,
accepted for publication in AIAA Journal of Aircraft, DOI 10.2514/1.C033351

Th. Lutz, D. Bekiropoulos, J. Illg, W. Würz, J. Dembowski, E. Krämer:
"RANS Based Prediction of the Airfoil Turbulent Boundary Layer – Trailing Edge Interaction Noise for Mildly Separated Flow Conditions"
12th German Wind Energy Conference DEWEK, 19./20. May 2015, Bremen, Germany

Jonas Illg, Thorsten Lutz and Ewald Krämer
Aeroacoustic Simulation of an Airfoil in Turbulent Inflow
Proc. 6th International Conference on Wind Turbine Noise, Glasgow, 20.-23. April 2015

Jonas Illg, Thorsten Lutz, Ingrid Neunaber und Ewald Krämer
Numerische Untersuchung von Vorder- und Hinterkantenlarm eines Profils in turbulenter Anströmung
41. Jahrestagung für Akustik DAGA, Nürnberg, 16. - 19. März 2015

Zimmermann, D.-M., Waldmann, A., Lutz, T., Krämer, E.:
Development of Flow Structures in the Near-field Wake Region of the Common Research Model,
5th CEAS Air & Space Conference, Delft, September 2015

Kim, W. Pascal, Th. Lutz
An accurate wind resource assessment in complex terrain using numerical simulations
12th German wind energy conference, DEWEK 2015, May, Bremen, Germany

Waldmann, A., Gansel. P. P., Lutz, T. and Krämer, E.:
“Unsteady Wake Flow Analysis of an Aircraft under low-speed Stall Conditions using DES and PIV”,
53rd AIAA Aerospace Sciences Meeting, Kissimmee (FL), USA, 5 – 9 January, AIAA 2015-1096, 2015
(DOI 10.2514/6.2015-1096)
http://arc.aiaa.org/doi/abs/10.2514/6.2015-1096

Kim Y, Schulz C, Lutz Th,
"Synthetic turbulence inflow method for atmospheric turbulence and its application in complex terrain",
EAWE PhD seminar 2015, Stuttgart, Germany

Kim Y, Weihing P, Schulz C, Jost E, Lutz Th,
“Turbulence inflow generation for a turbulent boundary layer over rough hills under neutral and stable conditions”,
Large wind-power plants: interaction, control and Integration. Windfarms 2015, July, Leuven, Belgium.

Bangga, T. Lutz and E. Krämer,
"Numerical investigation of unsteady aerodynamic effects on thick flatback airfoils",
German Wind Energy Conference 12 DEWEK 2015, 19-20 May 2015, Bremen, Germany.

Hutomo, G. Bangga, H. Sasongko,
"Numerical investigation of dynamic stall behavior on single bladed Darrieus turbine airfoil section",
2nd International Conference on Mechanical Engineering ICOME 2015, 3-5 September 2015, Bali, Indonesia.

Bangga, T. Lutz and E. Krämer,
"An examination of rotational effects on large wind turbine blades",
11th EAWE PhD Seminar on Wind Energy in Europe, 23-25 September 2015, Stuttgart, Germany. 

Hoffrogge, C., Kraus, B., Yao, L., Passeck, S., Zimmermann, D.-M., Jost, E., Krämer, E.:
"Ein mobiler Flachwasserkanal zu Visualisierungszwecken"
,
Deutscher Luft- und Raumfahrtkongress, 22.-24. September 2015, Rostock, Germany

Kamruzzaman, D. Bekiropoulos, Th. Lutz, W. Würz and E. Krämer,
„A semi-empirical surface pressure spectrum model for airfoil trailing-edge noise prediction,“
Special Issue of the Int. Journal of Aeroacoustics, 2015


A. Fischer, T. Lutz, E. Krämer,
"Numerical investigations of an airfoil in the wake of a slotted cylinder",
11th EAWE PhD Seminar on Wind Energy in Europe, 23.-25. September 2015, Stuttgart, Germany.

Jost, T. Lutz,  E. Krämer
"Steady and unsteady CFD power curve simulation of generic 10 MW turbines",
EAWE PhD Seminar Stuttgart, September 2015

Jost, T. Lutz, E. Krämer 
"Numerische Untersuchung einer 10 MW Windenergieanlage mit elastischen Hinterkantenklappen",
Präsentation am STAB Workshop, Göttingen, 2015

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 2014

Bogdanski, P. Gansel, T. Lutz and E. Krämer
"Impact of 3D Shock Control Bumps on Transonic Buffet", High Performance Computing in Science and Engineering '14, Springer.
http://link.springer.com/chapter/10.1007/978-3-319-10810-0_30

P. Wawrzinek, Th. Lutz and E. Krämer
"Numerical Studies of Turbulent Flow Influence on a Two-Element Airfoil",
Advances in Simulation of Wing and Nacelle Stall, Results of the Closing Symposium of the DFG Research Unit FOR 1066, December 1-2, 2014, Braunschweig, Germany

Ch. Schulz, T. Lutz and E. Krämer
"Simulation of wind turbines in complex terrain by means of direct CFD",
10th EAWE PhD Seminar on Wind Energy in Europe, 28.-30. October 2014, Orléans, France.

Klein, T. Lutz and E. Krämer
"CFD analysis of a 2-bladed multi-megawatt turbine",
10th EAWE PhD Seminar on Wind Energy in Europe, 28.-30. October 2014, Orléans, France.

Fischer, E. Jost, T. Lutz and E. Krämer:
Numerical investigations of a passive load alleviation technique for wind turbines
10th EAWE PhD Seminar on Wind Energy in Europe, 28.-30. October 2014, Orléans, France.

E. Jost, A. Fischer, T. Lutz and E. Krämer,
"CFD studies of a 10 MW wind turbine equipped with active trailing edge flaps",
10th EAWE PhD Seminar on Wind Energy ind Europe, 28.-30. October 2014, Orléans, France.

Mexnext-II: The Latest Results on Experimental Wind Turbine Aerodynamics
K. Boorsma, J.G. Schepers, S. Gomez-Iradi, H. A. Madsen, N. Sørensen and W. Z. Shen, C.Schulz, S. Schreck
EWEA 2014, Barcelona
https://www.ecn.nl/publications/PdfFetch.aspx?nr=ECN-M--14-018

CFD Performance Analyses fo Wind Turbines Operating in Complex Environments
P.Weihing, C.Schulz, Th.Lutz, E.Krämer
High Performance Computing in Science and Engineering ‘14
http://link.springer.com/chapter/10.1007%2F978-3-319-10810-0_27

Th. Lutz, B. Arnold, A. Wolf and E. Krämer:
Numerical Studies on a Rotor with Distributed Suction for Noise Reduction
J. Phys.: Conf. Ser. 524 012134 doi:10.1088/1742-6596/524/1/01213
http://iopscience.iop.org/1742-6596/524/1/012122

Th. Lutz, B. Arnold, D. Bekiropoulos, J. Illg, E. Krämer, A. Wolf, R. Hann and M. Kamruzzaman:
Prediction of Flow-Induced Noise Sources of Wind Turbines and Application Examples
Special Issue of the International Journal of Aeroacoustics

Wolf, Th. Lutz, W. Würz, E. Krämer, O. Stalnov and A. Seifert:
Trailing Edge Noise Reduction of Wind Turbine Blades by Active Flow Control
Wind Energy, 2014.
http://onlinelibrary.wiley.com/doi/10.1002/we.1737/abstract

Kamruzzaman, D. Bekiropoulos, A. Wolf, Th. Lutz, and E. Krämer:
Rnoise: A RANS Based Airfoil Trailing-edge Noise Prediction Model
AIAA2014-3305, 20th AIAA/CEAS Aeroacoustics Conference, Atlanta, 2014.

Ch. Schulz, L. Klein, P. Weihing, Th. Lutz and E. Krämer:
CFD Studies on Wind Turbines in Complex Terrain under Atmospheric Inflow Conditions
J. Phys.: Conf. Ser. 524 012134 doi:10.1088/1742-6596/524/1/012134
http://iopscience.iop.org/1742-6596/524/1/012134?fromSearchPage=true

Weihing, K. Meister, Ch. Schulz, Th. Lutz and E. Krämer:
CFD Simulations on Interference Effects between Offshore Wind Turbines
J. Phys.: Conf. Ser. 524 012143 doi:10.1088/1742-6596/524/1/012143
http://iopscience.iop.org/1742-6596/524/1/012143?fromSearchPage=true

B. Arnold, D. Abzalilov, Th. Lutz and E. Krämer:
On the Effect of Boundary Layer Suction on the Boundary Layer State at the Trailing-Edge and Noise Reduction
54th Israel Annual Conference on Aerospace Sciences, 2014

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 2013

Schulz, C.: Cfd of wind turbines in complex terrain. In: IEA R&D Wind Task 11 - Topical Expert Meeting Challenges on Wind Energy Deployment in Complex Terrain

P. Gansel, S. A. Illi, S. Krimmer, Th. Lutz and E. Krämer:
Unsteady CFD Simulation of the NASA Common Research Model in Low Speed Stall
to be published in: High Performance Computing in Science and Engineering ´13, Springer, Germany

Bogdanski, K. Nübler, Th. Lutz and E. Krämer:
Numerical Investigation of the Influence of Shock Control Bumps on the Buffet Characteristics of Transonic Airfoil
presentation at the 18. DGLR-Symposium of STAB, Stuttgart, Germany, November 6-7, 2012, paper submitted for publication

P. Colliss, H. Babinsky, K. Nübler and Th. Lutz:
A joint experimental and numerical approach to three-dimensional shock control bump research
submitted to AIAA journal

Nübler, S. P. Colliss, H. Babinsky, Th. Lutz and E. Krämer:
Numerical and experimental examination of shock control bump flow physics
High Performance Computing in Science and Engineering '12, Springer Berlin Heidelberg, DOI 10.1007/978-3-642-33374-3_25, 2013

A. Illi, C. Fingskes, Th. Lutz and E. Krämer:
Transonic Tail Buffet Simulations for the Common Research Model
31st AIAA Applied Aerodynamics Conference, San Diego, June 24-27, 2013.

A. Illi, Th. Lutz and E. Krämer:
Transonic Tail Buffet Simulations on the ATRA Research Aircraft
Notes on Numerical Fluid Mechanics and Multidisciplinary Design, Volume 123, Springer, Germany, 2013.

A. Illi, P. Gansel, Th. Lutz and E. Krämer:
Hybrid RANS-LES Wake Studies of an Airfoil in Stall
CEAS Aeronautical Journal, Volume 4, Issue 2, pp 139-150, Springer, Germany, June 2013.

D. Matter, E. R. Busch, Th. Lutz, M. Keßler and E. Krämer:
Numerical investigation of a model propeller operating under off-design conditions
51th AIAA Aerospace Sciences Meeting, New Horizons Forum and Aerospace Exposition, Grapevine, Texas, January 7-10, 2013.

Th. Lutz, P. P. Gansel, J.-L. Godard, A. Grobushin, R. Konrath, J. Quest and S. M. B. Rivers:
Going for Experimental and Numerical Unsteady Wake Analyses Combined with Wall Interference Assessment by Using the NASA CRM Model in ETW
51th AIAA Aerospace Sciences Meeting, New Horizons Forum and Aerospace Exposition, Grapevine, Texas, January 7-10, 2013.

P. Colliss, H. Babinsky, K. Nübler and Th. Lutz:
Vortical structures on 3D shock control bumps, 51th AIAA Aerospace Sciences Meeting
51th AIAA Aerospace Sciences Meeting, New Horizons Forum and Aerospace Exposition, Grapevine, Texas, January 7-10, 2013

Bekiropoulos, Th. Lutz, E. Krämer:
Aeroacoustic Simulation of Airfoils Used in Onshore Wind Turbines
AIA-DAGA 2013, Conference on Acoustics, 18-21 March 2013, Merano, Alto Adige

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 2012

Bogdanski, K. Nübler, T. Lutz and E. Krämer,
"Numerical Investigation of the Influence of Shock Control Bumps on the Buffet Characteristics of a Transonic Airfoil", New Results in Numerical and Experimental Fluid Mechanics IX, Springer.
http://link.springer.com/chapter/10.1007/978-3-319-03158-3_3

Engfer, E. Pfüller, M. Wiedemann, J. Wolf, Th. Lutz,E. Krämer:
Evaluation of the Aero-Optical Properties of the SOFIA Cavity by Means of Computational Fluid Dynamics and a Super Fast Diagnostic Camera
SPIE 2012, July 2012, Amsterdam, Netherlands

Bekiropoulos, R. M. Rieß, Th. Lutz, E. Krämer, D. Matha, M. Werner, P.W. Cheng:
Simulation of Unsteady Aerodynamic Effects on Floating Offshore Wind Turbines
11th German Wind Energy Conference DEWEK, 7-8 November 2012, Bremen, Germany

P. Gansel, P. Dürr, M. Baumann, Th. Lutz and E. Krämer:
Influence of Meshing on Flow Simulation in the Wing-Body Junction of Transport Aircraft
to be published in: Notes on Numerical Fluid Mechanics and Multidisciplinary Design, Springer, Germany, 2012.

Meister, Th. Lutz and E. Krämer:
Simulation of a 5MW wind turbine in an atmospheric boundary layer
The Science of Making Torque from Wind, 09-11 Oktober, Oldenburg, Germany, 2012

Klein, Th. Lutz, E. Krämer, K. Richter, A.D. Gardner and A.R.M. Altmikus:
Numerical Comparison of Dynamic Stall for Two-Dimensional Airfoils and an Airfoil Model in the DNW-TWG
Journal of the American Helicopter Society, Vol. 57, Number 4, October 2012

P. Gansel, S. A. Illi, Th. Lutz and E. Krämer:
Numerical Simulation of Low Speed Stall and Analysis of Turbulent Wake Spectra
Proc. 15th International Conference on Fluid Flow Technologies, Budapest, Hungary, September 4-7, Vol. I, pp. 199-206, 2012.

P. Gansel, S. A. Illi, A. Kalimullina and Th. Lutz
The Spectral Analysis of Unsteady Pressure Coefficient at the Wing Trailing Edge
16th International Conference on the Methods of Aerophysical Research, Kazan, Russia, August 20 - 26, 2012.

Kamruzzaman, Th. Lutz and E. Krämer:
Study on Anisotropy in Synthetic Turbulence Generation Methods,
extended abstract submitted to AIAA/CEAS Aeroacoustics Conference, June, 2012

Kamruzzaman, D. Bekiropoulos, A. Wolf, Th. Lutz, W. Würz and E. Krämer:
A Semi-empirical Wall Pressure Fluctuation Spectrum and Far-field Trailing-edge Noise Prediction Model,
International Journal of Aeroacoustics, 2012

Wolf, Th. Lutz, and E. Krämer:
Modelling of Active Flow Control for Noise Reduction of Future Wind Turbines,
DEWEK, Bremen, 2012

A. Illi, Th. Lutz and E. Krämer:
On the capability of unsteady RANS to predict transonic buffet
Third Symposium "Simulation of Wing and Nacelle Stall", Braunschweig, Germany, June 22nd - 23rd 2012

Meister, Th. Lutz and E. Krämer:
Time - Resolved CFD Simulation of a turbulent atmospheric boundary layer interacting with a wind turbine
Euromech Colloquium [528], 22-24 February, Oldenburg, Germany, 2012

P. Colliss, K. Nübler, P. J. K. Bruce, H. Babinsky, Th. Lutz and E. Krämer:
An experimental investigation of three-dimensional shock control bumps applied to transonic airfoils
50th AIAA Aerospace Sciences Meeting, Nashville, Tennessee, AIAA 2012-43

Nübler, S. P. Colliss, Th. Lutz,E. Krämer and H. Babinsky:
Shock Control Bump Robustness Enhancement
50th AIAA Aerospace Sciences Meeting, Nashville, Tennessee, AIAA 2012-0046

Nübler, S. P. Colliss, Th. Lutz, H. Babinsky and E. Krämer:
Joint wind tunnel and CFD examination of flow over shock control bumps
47th International Symposium of Applied Aerodynamics, Paris, France, 3b_05

Nübler, S. P. Colliss, Th. Lutz, H. Babinsky and E. Krämer:
Numerical and experimental examination of shock control bump flow physics
High Performance Computing in Science and Engineering '12, Springer 2012

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 2011

Klein, S. Illi, K. Nübler, Th. Lutz and E. Krämer:
Wall Effects and Corner Separations for Subsonic and Transonic Flow Regimes
High Performance Computing in Science and Engineering '11, Springer, Germany

Klein, K. Richter, A.D. Gardner, A.R.M. Altmikus, Th. Lutz and E. Krämer:
Numerical Comparison of Dynamic Stall for 2D-Airfoils and an Airfoil Model in the DNW-TWG
Presented at: 37th European Rotorcraft Forum, September 13-15, 2011, Gallarate, Varese - Italy

Meister, Th. Lutz and E. Krämer:
Grid dependency studies on tip vortex preservation in wind turbine CFD simulations
Proceedings of Wake Conference, 8-9 June, 2011, Visby, Sweden.

Kamruzzaman, Th. Lutz, W. Würz and E. Krämer:
On the Length Scales of Turbulence for Aeroacoustic Applications
AIAA Paper No. 2011-2734. Proceedings of 17th AIAA/CEAS Aeroacoustics Conference, 6-8 June 2011, Portland, Oregon, USA.

Kamruzzaman, Th. Lutz, K. Nübler and E. Krämer:
Implementation and Verification of an Aeroacoustic Wind Turbine Blade Analysis Tool
Proceedings of Fourth International Meeting on Wind Turbine Noise, 12-14 April, 2011, Rome, Italy.

Wolf, Th. Lutz, W. Würz, O. Stalnov and A. Seifert:
Trailing edge noise reduction of wind turbine airfoils by active flow control
Proceedings of Fourth International Meeting on Wind Turbine Noise, 12-14 April, 2011, Rome, Italy.

Illi, Th. Lutz and E. Krämer:
Improved physical understanding and modeling – DES/LES & PIV
CFD and Experiment – Integration of Simulation, Göttingen, Germany, April 5th - 6th 2011

Th. Lutz, K. Meister and E. Krämer:
Near wake studies of the MEXICO Rotor
EWEA-2011, Brüssel, 14-17 März 2011

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 2010

Kamruzzaman, Th. Lutz, and E. Krämer:
Improved Wind Turbine Noise Prediction Tools for Low Noise Airfoil Design
DEWEK-2010, Bremen, 17-18 November, 2010

Wolf, Th. Lutz, W. Würz, O. Stalnov and E. Krämer:
Impact of Suction on Boundary-Layer and Noise Emission of Wind Turbine airfoils
DEWEK-2010, Bremen, 17-18 November, 2010

Meister, Th. Lutz, and E. Krämer:
Consideration of unsteady inflow conditions in wind turbine CFD simulations
DEWEK-2010, Bremen, 17-18 November, 2010

Th. Lutz, K. Meister and E. Krämer:
Aerodynamic and Acoustic Design of Wind Turbine Airfoils with Trailing-Edge Flap
DEWEK-2010, Bremen, 17-18 November, 2010

Kamruzzaman, Th. Lutz, W. Würz , W. Shen, W. Zhu, M. O. L. Hansen, F. Bertagnolio and H. Aa. Madsen:
Validations and Improvements of Airfoil Trailing-edge Noise Prediction Models Using Detailed Experimental Data
published in online at Wind Energy, DOI: 10.1002/we.505, November, 2011

C.C. Heister, J. Raddatz and A. Klein:
Accurate Numerical Flow Simulation of Hovering Rotors using different Transition Prediction Methods
Presented at: 36th European Rotorcraft Forum, September 7-9, 2010, Paris, France

Illi, Th. Lutz and E. Krämer:
Simulation of pressure and shock induced separation using DES implementations in the DLR-TAU Code
Second Symposium "Simulation of Wing and Nacelle Stall", Braunschweig, Germany, June 22nd - 23rd 2010

Kamruzzaman, D. Bekiropoulos, A. Wolf, Th. Lutz, W. Würz and E. Krämer:
Study of Turbulent Boundary Layer Wall Pressure Fluctuations Spectrum Models for Trailing-edge Noise Prediction
Proc. of 15th Int. Conf. on the Methods of Aerophysical Research (ICMAR 2010), Akademgorodok, Novosibirsk Russia, 1-6 Nov., 2010

Kamruzzaman, Th. Lutz, A. Herrig and E. Krämer:
Semi-empirical Modeling of Turbulent Anisotropy for Airfoil Self Noise Prediction
AIAA Journal, 50(1): 46-60, January, 2012, DOI: 10.2514/1.56982. Old version in Proc. of 16th AIAA/CEAS Aeroacoustics Conference, 7-8 June, 2010, Sweden, AIAA-2010-3878

Herrig, M. Kamruzzaman, W. Würz and S. Wagner:
Broadband Airfoil Trailing-edge Noise Prediction from Measured Surface Pressures and Spanwise Length Scales
(accepted for publication in Int. Journal of Aeroacoustics)

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 2009

Wolf, Th. Lutz and E. Krämer:
Active Flow Control for Noise Reduction and Performance Improvement of Future Generation Wind Turbines
Published in Proceedings of EAWE 2009 Conference at Durham University September 27 - October 1 , 2009, Durham, England

Wolf, D. Henes, S. Bogdanski, Th. Lutz and E. Krämer:
Statistical Analysis of Parameter Variations using the Taguchi Method
BMWI-Verbundvorhaben MUNA, to be published

Wolf, D. Henes, S. Bogdanski, Th. Lutz and E. Krämer:
Best Practice Guidlines for the Taguchi Method
BMWI-Verbundvorhaben MUNA, to be published

Kamruzzaman, K. Meister, Th. Lutz, M. Kühn and E. Krämer:
Wind Turbine Aerodynamics and Aeroacoustics at University of Stuttgart - An Overview of Research and Development
Published in Proceedings of 1st Int. Conf. on the Developments in Renewable Energy Technology (ICDRET'09), December 17-19, 2009, Dhaka, Bangladesh

Meister, Th. Lutz and E. Krämer:
Development of a process chain for detailed wake simulation of horizontal axis wind turbines
Presented at EUROMECH[508] - Wind turbine wakes, Oktober 20-22, 2009, Madrid, Spain

Kamruzzaman, Th. Lutz, A. Ivanov, A. Herrig, W. Würz and E. Krämer:
Evaluation of Measured Anisotropic Turbulence Two-point Correlation Data for the Accurate Prediction of the Turbulence Noise Sources
AIAA Paper, 2009-3313-818, 15th AIAA/CEAS Aeroacoustics Conference, Miami, USA, 11-13 May, 2009

Kamruzzaman, A. Herrig, Th. Lutz, W. Würz, E. Krämer and S. Wagner:
Comprehensive Evaluation and Assessment of Trailing Edge Noise Prediction Based on Dedicated Measurements
Noise Control Engineering Journal, 59(1):54-67, Jan-Feb., 2011. Also presented in Wind Turbine Noise-2009, 17-19 June, Aalborg, Denmark

Klein, K. Richter, A. Altmikus, Th. Lutz and E. Krämer:
Unsteady Criteria for Rotor Blade Airfoil Design
Presented at: 35th European Rotorcraft Forum, September 22-25, 2009, Hamburg, Germany

Schmid, Th. Lutz and E. Krämer:
Impact of Modelling Approaches on the Prediction of Ground Effect Aerodynamics
Journal of Engineering Applications of Computational Fluid Mechanics,
Vol.3, No.3, September 2009.

Schmid, Th. Lutz and E. Krämer:
Passive control of the unsteady flow inside the SOFIA telescope port by means of a porous fence
Third Symposium on Hybrid RANS-LES Methods, 10-12 June 2009, Gdansk, Poland.

König, M. Pätzold, Th. Lutz, E. Krämer, H. Rosemann, K. Richter and H. Uhlemann:
Numerical and Experimental Validation of Three-Dimensional Shock Control Bumps
Journal of Aircraft, Vol. 46, No. 2, S. 675-682, 2009.

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 2008

Hirner, Th. Lutz and E. Krämer:
Reduction of Noise Emission of Suboptimal Operating Propellers
Paper Nr: 71183, 7th International Airship Convention 2008, Friedrichshafen 9-11 October 2008

König, Th. Lutz and E. Krämer:
Numerical Simulation of a Transonic Wind Tunnel Experiment
High Performance Computing in Science and Engineering '08, Stuttgart, September 29-30, 2008

Schmid, Th. Lutz and E. Krämer:
DES Simulations of the Unsteady Flow Field Around the Stratospheric Observatory For Infrared Astronomy SOFIA
XXII International Congress of Theoretical and Applied Mechanics, Adelaide, Australia, 25 - 28 August 2008

Schmid, Th. Lutz,E. Krämer and T. Kühn:
Passive Control of the Flow Around the Stratospheric Observatory For Infrared Astronomy
AIAA paper 2008-6717, 26th AIAA Applied Aerodynamics Conference, Hawaii, USA, 18 - 21 August 2008

König, M. Pätzold, Th. Lutz, E. Krämer, H. Rosemann, K. Richter and H. Uhlemann:
Numerical and Experimental Validation of Three-Dimensional Shock Control Bumps
AIAA paper 2008-4001, 4th AIAA Flow Control Conference, Seattle, WA, USA, 23 - 26 July 2008

Ogawa, H. Babinsky, M. Pätzold and Th. Lutz:
Shock Boundary-Layer Interaction Control Using Three-dimensional Bumps for Transonic Wings
AIAA Journal, Vol. 46, No. 6, June 2008

Kamruzzaman, Th. Lutz, A. Herrig and E. Krämer:
RANS Based Prediction of Airfoil Trailing Edge Far-Field Noise: Impact of Isotropic and Anisotropic Turbulence
AIAA paper 2008-2867, 14th AIAA/CEAS Aeroacoustics Conference, Vancouver, Canada, 5 - 7 May 2008

Schmid, Th. Lutz and E. Krämer:
Numerical Simulation of the Flow Field Around the Stratospheric Observatory For Infrared Astronomy
Springer, Berlin Heidelberg New York, ISBN 978-3-540-74458-0, 2008

König, M. Pätzold, Th. Lutz and E. Krämer:
Shock Control Bumps on Flexible and Trimmed Transport Aircraft in Transonic Flow
Springer, Berlin Heidelberg New York, ISBN 978-3-540-74458-0, 2008

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 2007

Schmid, Th. Lutz and E. Krämer:
Simulation of the Flow Around the Stratospheric Observatory For Infrared Astronomy SOFIA Using URANS and DES
High Performance Computing in Science and Engineering, Garching/Munich 2007

Lasauskas, Th. Lutz and M. Dietz:
Influence of Trailing Edge Tab on Moment Characteristics of NACA 23012 Airfoil
Aviation, Vol. XI, No. 4, 2007

Jakobi:
Verfahren zur Simulation der nichtlinearen Aerodynamik von Luftschiffkonfigurationen
VDI Fortschritt-Berichte, Reihe 7: Strömungstechnik, Nr. 490, ISBN 978-3-18-349007-3, 2007.

Kamruzzaman, Th. Lutz and E. Krämer:
An Approach to RANS Based Prediction of Airfoil Trailing Edge Far-Field Noise
Second International Meeting on Wind Turbine Noise, Lyon France September 20-21 2007

Hirner, F. Dorn, Th. Lutz and E. Krämer:
Improvement of Propulsive Efficiency by Dedicated Stern Thruster Design
AIAA-2007-7702, 7th AIAA Aviation Technology, Integration and Operations Conference (ATIO), Belfast, Northern Ireland, 18-20 September 2007

Kamruzzaman, Th. Sonar, Th. Lutz and E. Krämer:
A New Meshless Collocation Method for Partial Differential Equations
Journal of Comm. in Num. Meth. in Eng., 24(4): 1617-1639, 2007

Schmid, Th. Lutz and E. Krämer:
Simulation of the Unsteady Cavity Flow of the Stratospheric Observatory For Infrared Astronomy
IUTAM Symposium on Unsteady Separated Flows and their Control, Braza, Marianna; Hourigan, K. (Eds.), 2009, ISBN: 978-1-4020-9897-0

Th. Lutz, A. Herrig, W. Würz, M. Kamruzzaman and E. Krämer:
Design and Wind-Tunnel Verification of Low-Noise Airfoils for Wind Turbines
AIAA Journal, Vol. 45, No. 4, April 2007

Ogawa, H. Babinsky, M. Pätzold and Th. Lutz:
Shock Boundary-Layer Interaction Control Using Three-dimensional Bumps for Transonic Wings
presented as AIAA paper 2007-324, 45th AIAA Aerospace Sciences Meeting and Exhibit, 8-11 January 2007, Reno, Nevada

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 2006

Th. Lutz, W. Würz, A. Herrig, K. Braun and E. Krämer, J.G. Schepers, A.P.W.M. Cuvers, S. Oerlemans, A. Matesanz, R. Ahrelt, T. Maeder, Herr S.:
New Results from the European SIROCCO Project: Silent Rotors by Acoustic Optimization
DEWEK 2006, 8th German Wind Energy Conference, Bremen, 22.-23. November 2006

Th. Lutz, A. Herrig, W. Würz, M. Kamruzzaman and E. Krämer:
Design and Wind-Tunnel Verification of Low-Noise Airfoils for Wind Turbines
AIAA paper 2006-3322, 24th AIAA Applied Aerodynamics Conference, San Francisco, California, USA, 5 - 8 June 2006

Pätzold, Th. Lutz,E. Krämer and S. Wagner:
Numerical Optimization of Finite Shock Control Bumps
44th AIAA Aerospace Sciences Meeting and Exhibit, Reno, Nevada, USA, 9 - 12 January, 2006

+-
Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 2005

Th. Lutz:
Aerodynamic Interference Effects of Airships
Second International Symposium on Transdisciplinary Fluid Integration, Hyuga, Miyazaki, Japan, October 26-27, 2005

Th. Lutz, A. Herrig, W. Würz, K. Braun and E. Krämer:
Constrained Aerodynamic & Aeroacoustic Design of Wind-Rotor Airfoils
Wind Turbine Noise: Perspectives for Flow Control, Berlin, October 17-18, 2005

Hirner, Th. Lutz and E. Krämer:
Entwurf eines Verstellpropellers für die Stratosphärenplattform Luftwurm 2.0
Paper Nr: DGLR-2005-173, Deutscher Luft- und Raumfahrtkongress 2005, Friedrichshafen, September 26-29, 2005

Huminic and Th. Lutz:
CFD Study of Ground Simulation Techniques
HEFAT2005: 4th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics, Cairo, Egypt, September 19-22, 2005

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 2004

König, M. Kutzbach and Th. Lutz:
Extensions of the Optimization Environment POEM with Respect to Aeroelastic Effects
14th DGLR-Symposium of STAB, 25th anniversary of STAB, Bremen, November 16-18, 2004

Th. Lutz, W. Würz, A. Herrig, K. Braun and S. Wagner:
Numerical Optimization of Silent Airfoil Sections
DEWEK 2004, 7th German wind energy conference, Wilhelmshaven, October 20/21, 2004

Kutzbach, Th. Lutz and S. Wagner:
RANS-basierte direkt numerische Optimierung adaptiver Flügel
DGLR Jahrestagung 2004, Dresden, 20. - 23. September 2004

Kutzbach, Th. Lutz and S. Wagner:
Investigations on Shock Control Bumps for Infinite Swept Wings
2nd AIAA Flow Control Conference, Portland, Oregon, USA, June 28 - July 1, 2004

Th. Lutz:
Aerodynamic Shape Optimization
Colloquium on Fluid Dynamics Research - Selected Recent Results, University of Stuttgart, May 7, 2004

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 2003

Funk, Th. Lutz and S. Wagner:
Experimental Investigations on Hull-Fin Interferences of the LOTTE Airship
Aerospace Science and Technology, Vol.7,2003

Th. Lutz, P. Funk, A. Jakobi and S. Wagner:
Theoretische und experimentelle Untersuchungsverfahren in der Luftschiffaerodynamik
Leichter als Luft - Transport- und Trägersysteme - Ballone, Luftschiffe, Plattformen; Ed.: J. K. Bock und B. Knauer; Verlag Frankenschwelle, 2003; ISBN 3-86180-139-6

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 2002

Fokin, L. Gebhardt, Th. Lutz and S. Wagner:
A Field-Panel Method for Transonic 3D Wing Calculation and Optimisation
Submitted for publication in ZAMM

Sommerer, Th. Lutz and S. Wagner:
Eine parallele Optimierungsumgebung zum Entwurf von Profilgeometrien
Proceedings of the DGLR Jahrestagung 2002, Stuttgart, Germany, September 23 - 26, 2002

Funk, Th. Lutz and S. Wagner:
Experimentelle Untersuchungen von Rumpf-Leitwerk Interferenzen bei Luftschiffen
Tagungsband Deutscher Luft- und Raumfahrtkongress 2002, Stuttgart, 23.-26. September 2002

Wadehn, A. Sommerer, Th. Lutz, D. Fokin, G. Pritschow and S. Wagner:
Structural Concepts and Aerodynamic Design of Shock Control Bumps
Proceedings 23nd ICAS Congress, Toronto, Canada, September 8 - 13, 2002, ICAS Paper 66R1.1

Th. Lutz, A. Sommerer and S. Wagner:
Parallel Numerical Optimisation of Adaptive Transonic Airfoils
Symposium Transsonicum IV, Göttingen, Germany, September 2 - 6, 2002
In: Fluid Mechanics and its Applications, Vol. 73, Kluwer Academic Publishers, ISBN 1-4020-1608-5, 2003

Th. Lutz, P. Funk, A. Jakobi and S. Wagner:
Summary of Aerodynamic Studies on the LOTTE Airship
4th International Airship Convention and Exhibition, Cambridge, England, July 28-31, 2002

Gebhardt, D. Fokin, Th. Lutz and S. Wagner:
An Implicit-Explicit Dirichlet-based Field Panel Method for Transonic Aircraft Design
AIAA-Paper 2002-3145, presented at the 20th AIAA Applied Aerodynamics Conference, June 24-26, 2002, St. Louis, Missouri, USA.

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 2001

Th. Lutz, P. Funk, A. Jakobi and S. Wagner:
Calculation of the Propulsive Efficiency for Airships with Stern Thruster
14th AIAA Lighter-Than-Air Technical Committee Convention and Exhibition, Akron, Ohio, USA, July 15-19, 2001

Funk, A. Jakobi, Th. Lutz and S. Wagner:
Experimental Investigations in the Tail Region of an Airship Configuration
14th AIAA Lighter-Than-Air Technical Committee Convention and Exhibition, Akron, Ohio, USA, July 15-19, 2001

Jakobi, P. Funk, Th. Lutz and S. Wagner:
Modelling of Airship Wakes Applying Higher Order Panel Elements
14th AIAA Lighter-Than-Air Technical Committee Convention and Exhibition, Akron, Ohio, USA, July 15-19, 2001

Fokin, L. Gebhardt, Th. Lutz and S. Wagner:
A Field-Panel Approach for Flow Calculation about 3D Transonic Configurations.
Proceedings BEM 23 Conference, May 7-9, 2001, Lemnos, Greece

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 2000

Th. Lutz:
Subsonic and Transonic Airfoil Design Applying Numerical Optimization Techniques
Proceedings Conference on Actual Problems of Mathematics and Mechanics, Kazan State University, Kazan, Russische Föderation, October 1-3, 2000

Th. Lutz and S. Wagner:
Numerical Shape Optimization of Subsonic Airfoil Sections
Proceedings ECCOMAS 2000: European Congress on Computational Methods in Applied Sciences and Engineering, September 11-14, 2000, Barcelona, Spain

Sommerer, Th. Lutz and S. Wagner:
Design of Adaptive Transonic Airfoils By Means of Numerical Optimization
Proceedings ECCOMAS 2000: European Congress on Computational Methods in Applied Sciences and Engineering, September 11-14, 2000, Barcelona, Spain

Sommerer, Th. Lutz and S. Wagner:
Numerical Optimization of Adaptive Transonic Airfoils With Variable Camber
Proceedings 22nd ICAS Congress, Harrogate, United Kingdom, August 27 - September 1, 2000, ICAS Paper ICA2.111

Th. Lutz, P. Funk, A. Jakobi and S. Wagner:
Considerations on Laminar Flow for a Stratospheric Airship Platform
Proceedings 3rd International Airship Convention and Exhibition, Friedrichshafen, July 1-5, 2000

Funk, A. Jakobi, Th. Lutz and S. Wagner:
Experiments on the Flowfield of an Inclined Airship Body
Proceedings 3rd International Airship Convention and Exhibition, Friedrichshafen, July 1-5, 2000

Jakobi, P. Funk, Th. Lutz and S. Wagner:
Calculation of Aerodynamic Forces on Inclined Airship Bodies - Boundary-Layer Calculation Method
Proceedings 3rd International Airship Convention and Exhibition, Friedrichshafen, July 1-5, 2000

Th. Lutz, W. Würz and S. Wagner:
Numerical Optimization and Wind-Tunnel Testing of Low Reynolds-Number Airfoils
Proceedings Conference on: Fixed, Flapping and Rotary Wing Vehicles At Very Low Reynolds Numbers, University of Notre Dame, Indiana, USA, June 5 - 7, 2000

Th. Lutz:
Airfoil Design and Optimization
GAMM 2000 Conference, April 2-7, 2000, Göttingen, Germany

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 1999

Th. Lutz:
Berechnung und Optimierung subsonisch umströmter Profile und Rotationskörper
VDI Fortschritt-Berichte, Reihe 7: Strömungstechnik, Nr. 378, ISBN 3-18-337807-8

Th. Lutz, A. Sommerer and S. Wagner:
Optimierung widerstandsarmer Strömungskörper
IVS Schriftenreihe, Vol. 2, No. 2, 1999

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie 1998

Th. Lutz and S. Wagner:
Numerical Shape Optimization of Natural Laminar Flow Bodies
Proceedings of the 21st ICAS Congress, September 13-18, 1998, Melbourne, Australia

Th. Lutz, P. Funk, A. Jakobi and S. Wagner:
Aerodynamic Investigations on Inclined Airship Bodies
Proceedings of the Second Biennial International Airship Convention and Exhibition, Bedford, Great Britain, June 26-28, 1998

Jakobi, P. Funk, Th. Lutz and S. Wagner:
Aerodynamische Untersuchungen an angestellten Luftschiffkörpern
DGLR Workshop II, Flugsysteme leichter als Luft, Zeppelinheim, April 17-18, 1998

Veröffentlichungen Luftfahrzeugaerodynamik und Windenergie Vor 1998

Th. Lutz and S. Wagner:
Drag Reduction and Shape Optimization of Airship Bodies
Journal of Aircraft, Vol.35, No. 3, 1998, pp. 345-351, see also AIAA Paper 97-1483

Th. Lutz, U. Rüger and S. Wagner:
Theoretische Untersuchungen zur Minimierung des aerodynamischen Widerstandes von Luftschiffrümpfen
DGLR Fachausschusstagung S 2.3, September 25, 1996, Dresden, Germany

Th. Lutz, D. Leinhos and S. Wagner:
Theoretical Investigations of the Flowfield of Airships with a Stern Propeller
Proceedings International Airship Convention and Exhibition, Bedford, Great Britain, July 5-7, 1996

Th. Lutz, H. Schweyher, S. Wagner and R. Bannasch:
Shape Optimization of Axisymmetric Bodies in Incompressible Flow
Proceedings 2nd International Airship Conference, Stuttgart/Friedrichshafen, 3.-4. July 3-4, 1996

Schweyher, Th. Lutz and S. Wagner:
An Optimization Tool for Axisymmetric Bodies of Minimum Drag
Proceedings 2nd International Airship Conference, Stuttgart/Friedrichshafen, July 3-4, 1996

Th. Lutz, S. Wagner and E. Schmidt:
Berechnung der Umströmung von Luftschiffrümpfen
Proceedings Luftschiff Kolloquium II, Lübbenau/Spreewald, Mai 13-14, 1994

Th. Lutz, E. Schmidt and S. Wagner:
An Efficient Calculation Method for the Determination of Force and Moment Coefficients on a Body with Boundary Layer Separation under Various Onset Flow Conditions
Proceedings International Airship Conference, Stuttgart, June 24-25, 1993

Dr.-Ing. Thorsten Lutz

Dieses Bild zeigt Lutz
Dr.-Ing.

Thorsten Lutz

Leiter Luftfahrzeugaerodynamik / Leiter Windenergie