Prof. Ewald Krämer

Herr Prof. Dr.-Ing.
Ewald Krämer
Institutsleiter IAG, Studiendekan Studiengang Luft- und Raumfahrttechnik Wissenschaflicher Leiter des Transfer- und Gründerzentrums "Aerodynamics and Flow Technology" in der TTI GmbH Stuttgart

Dieses Bild zeigt  Ewald Krämer
Telefon0049 711 685-6-3580
Telefax0049 711 685-5-3402
Raum
E-Mail
Adresse
Universität Stuttgart
Institut für Aerodynamik und Gasdynamik
Pfaffenwaldring 21
70569 Stuttgart
Deutschland
WebsiteWeitere Informationen
Fachgebiet:  
  • experimentelle und numerische Aerodynamik
  • Konfigurationsaerodynamik
  • allgemeine Strömungsmechanik
  • Flugphysik

Lehre:

Strömungslehre I+ II (B.Sc.)
Link
Projektseminar - Simulation - Strömung (B.Sc.) Link
CFD - Anwendungsseminar (M.Sc.) Link

 
Sprechstunde: nach Vereinbarung



Lebenslauf:
Werdegang Prof. Dr.-Ing. Ewald Krämer
20.02.1960 geboren in Ochterdung bei Koblenz (Rheinland-Pfalz)
verheiratet, 2 Kinder
seit 01.10.2004 Leiter des Instituts für Aerodynamik und Gasdynamik an der Universität Stuttgart und Inhaber des gleichnamigen Lehrstuhls
1990 - 2004 Verschiedene Positionen innerhalb der EADS Deutschland GmbH im Bereich der Flugzeugentwicklung mit Schwerpunkt Aerodynamik, zuletzt Leiter der Hauptabteilung Flugphysik
1991 Promotion über die Numerische Berechnung der Rotorblattumströmung am Hubschrauber mittels eines Euler-Verfahrens
1985 - 1989 Wissenschaftlicher Assistent am Institut für Luftfahrttechnik und Leichtbau der Fakultät für Luft- und Raumfahrttechnik an der UniBwM
1982 - 1985 Luftfahrzeugtechnischer Offizier in einer Flugzeuginstandsetzungseinheit in Leipheim/Donau
1978 - 1982 Studium der Luft- und Raumfahrttechnik an der Universität der Bundeswehr München in Neubiberg (UniBwM), Schwerpunkt Flugzeugbau
1977 - 1989 Offizier des Truppendienstes bei der Luftwaffe

  

Gremien Prof. Dr.-Ing. Ewald Krämer
seit 2013 Hochschulsprecher der Arbeitsgemeinschaft "Strömungen mit Ablösung" (STAB)
seit 2013 Mitglied im Forschungsverbund Wissenschaftliches Rechnen Baden-Württemberg
(WiR Ba-Wü)
seit 2013 Mitglied im Wissenschaftlichen Beirat des Jugendforschungszentrums Schwarzwald-Schönbuch e.V.
seit 2011 Mitglied des Lenkungsnausschusses des Höchstleistungszentrums Stuttgart
(HLRS) und Obmann für Computational Fluid Dynamics
seit 2011 Mitglied des Verwaltungsrats der Gesellschaft "Höchstleistungsrechner und Verteilte
Systeme - Verbund", SICOS-BW GmbH
seit 2011 Mitglied des Sprecherkreises des Windenergie-Forschungsnetzwerks Süd - WindForS
seit 2008 Mitglied im Lenkungskreis "Hochauftriebszentrum Deutschland" - Cluster Entwicklung         
High Lift
seit 2004 Sprecher der Universität Stuttgart im Kreis der Luftfahrtprofessoren
2000 - 2006 Vertreter der deutschen Universitäten im Technical Comitee "Performance,
Stability&Control, and Fluid Physics" im NATO/RTO-Panel "Applied Vehicle
Technology"
seit 1999 Mitglied des Programmausschusses der Arbeitsgemeinschaft "Strömungen
mit Ablösung" (STAB)
 
Sonstiges: 
seit 2006 Studiendekan Luft- und Raumfahrttechnik und Mitglied des Fakultätsvorstands der Fakultät "Luft- und Raumfahrttechnik und Geodäsie"
seit 2006 Wissenschaftlicher Leiter des Transfer- und Gründungszentrums "Aerodyamics und Flow Technology"
 

 
Veröffentlichungen Prof. Dr.-Ing. Ewald Krämer
 

[1]
Hertel, J., Krämer, E., Wagner, S.: Theoretische Untersuchungen zur transsonischen Rotorblatt-Aerodynamik.
4. BMFT-Statusseminar, München, 1986.

[2]
Krämer, E., Hertel, J., Wagner, S.: Computation of Subsonic and Transonic Helicopter Rotor Flow Using Euler Equations. 13 th European Rotorcraft Forum, Arles, Paper Nr.2-14, 1987.
Außerdem veröffentlicht in: Vertica, Band 12, Nr.3, S.279-291, 1988.

[3]
Hertel, J., Krämer, E., Wagner, S.: Euler Solutions for Steady Flow of a Helicopter Rotor.
2 nd International Conference on Rotorcraft Basic Research, College Park, Maryland, 1988.

[4]
Krämer, E., Hertel, J., Wagner, S.: The Study of the Wake Influence of a Helicopter Rotor Blade on the Following Blades Using Euler Equations. Proc. 14 th European Rotorcraft Forum, Mailand, Paper Nr.6, 1988.

[5]
Wagner, S., Krämer, E., Hertel, J.: Anwendung der Eulergleichungen zur Berechnung stationärer Rotorströmungen unter Berücksichtigung des Nachlaufeinflusses auf das nachfolgende Blatt. Jahrbuch 1988 I der DGLR, S.333-344, 1988.

[6]
Wagner, S., Krämer, E., Hertel, J.: Berechnung des Strömungsfeldes eines mehrblättrigen Hubschraubers mit Hilfe eines Euler-Verfahrens unter Einbeziehung des Nachlaufes.
6. DGLR-Fachsymposium, Braunschweig, DGLR-Bericht 88-05, 1988.

[7]
Krämer, E., Hertel, J., Wagner, S.: Euler Procedure for Calculation of the Steady Rotor Flow with Emphasis on Wake Evolution. AIAA, 8 th Applied Aerodynamic Conference, Portland, OR, AIAA-Paper 90-3007, 1990, DOI: 10.2514/6.1990-3007.

[8]
Hertel, J., Krämer, E., Wagner, S.: Complete Euler-Solution for a Rotor in Hover and a Propeller in Forward Flight . Proc. 16 th European Rotorcraft Forum, Glasgow, Paper Nr.I.4.2, 1990.

[9]
Krämer, E.: Theoretische Untersuchungen der stationären Rotorblattumströmung mit Hilfe eines Euler-Verfahrens. Fortschritt-Berichte VDI, Reihe 7 „Strömungstechnik“, Nr.197, VDI-Verlag, Düsseldorf, 1991.

[10]
Wagner, S., Krämer, E.: An Innovative Algorithm to Accurately Solve the Euler Equations for Rotary Wing Flow. In: Hirsch, C., Periaux, J., Kordulla, W. (eds.): Proc. 1 st European Fluid Dynamics Conference. Elsevier 1992, pp. 851-858.

[11]
Landmann B., Keßler M., Wagner S., Krämer E.: A parallel Discontinous Galerkin code for the Navier-Stokes equations. High Order Non-Oscillatory Methods for Wave Propagation, Trento, 2005.

[12]
Landmann, B., Keßler, M., Wagner, S., Krämer, E.: A Parallel High Order Discontinuous Galerkin Code for Laminar and Turbulent Flows. Euromech Colloquium 467: Turbulent Flow and Noise Generation, Marseille, Frankreich, 18.-20.7.2005.
Veröffentlicht in: Computers & Fluids 37 (2008), S. 427-438.

[13]
Herrig, A., Würz, W., Lutz, Th., Braun, K., Krämer, E., Oerlemans, S.: Trailing-Edge Noise Measurements of Wind Turbine Airfoils in Open and Closed Test Section Wind Tunnels. 1 st Int. Meeting on Wind Turbine Noise: Perspectives for Control, Berlin, 17.-18.10.2005.

[14]
Lutz, Th., Herrig, A., Würz, W., Braun, K., Krämer, E.: Constrained Aerodynamic and Aeroacoustic Design of Wind-Rotor Airfoils. 1 st Int. Meeting on Wind Turbine Noise: Perspectives for Control, Berlin, 17.-18.10.2005.

[15]
Dietz, M., Krämer, E., Wagner, S., Altmikus, A.R.M.: Weak Coupling for Active Advanced Rotors. Proc. 31 st European Rotorcraft Forum, Florenz, Italien, 2005, Paper 43.

[16]
Lutz, Th., Hirner, A., Würz, W., Kaiser, U., Krämer, E.: Aerodynamische Untersuchungen für die mehrsegmentige LTA Stratosphärenplattform „Luftwurm“. Deutscher Luft- und Raumfahrtkongress 2005, Friedrichshafen, 26.-29. September 2005. DGLR-2005-170.

[17]
Hirner, A., Lutz, Th., Krämer, E.: Entwurf eines Verstellpropellers für die Stratosphärenplattform „Luftwurm“ 2.0. Deutscher Luft- und Raumfahrtkongress 2005, Friedrichshafen, 26.-29. September 2005. DGLR-2005-173.

[18]
Kutzbach, M., Lutz, Th., Krämer, E.: Entwurf von spannweitig begrenzten Shock Control Bumps für den unendlich schiebenden Flügel. Deutscher Luft- und Raumfahrtkongress 2005, Friedrichshafen. DGLR-2005-208.

[19]
Munz, C.-D., Krämer, E.: Verfahren hoher Ordnung in der Numerischen Aeroakustik und Strömungsmechanik. ERCOFTAC-Technologietag des Pilotcenters Süd, Stuttgart, 30.9.2005.

[20]
Herrig, A., Würz, W., Krämer, E.: Akustisches Messverfahren für den Einsatz in Windkanälen mit hohem Hintergrundstörpegel. 12. STAB-Workshop Göttingen, 8.-9.11.2005.

[21]
Dietz, M., Keßler, M., Krämer, E.: Advanced Rotary Wing Aeromechanics. In: Nagel, W.E., Jäger, W., Resch, M. (eds.): High Performance Computing in Science and Engineering ’05. Springer Verlag, Berlin Heidelberg, 2006, S. 197-208.

[22]
Pätzold, M., Lutz, Th., Krämer, E., Wagner, S.: Numerical Optimization of Finite Shock Control Bumps. AIAA, 44 th Aerospace Science Meeting and Exhibit, Reno, Nevada,
9.-12.1.2006, AIAA-Paper 2006-1054.

[23]
Landmann, B., Keßler, M., Wagner, S., Krämer, E.: A Parallel Discontinuous Galerkin Code for the Navier-Stokes Equations. AIAA 44 th Aerospace Science Meeting and Exhibit, Reno, Nevada, 9.-12.1.2006, AIAA-Paper 2006-111, DOI:10.2514/6.2006-111.

[24]
Dietz, M., Wagner, S., Krämer, E.: Conservation of Circulation along a Tip Vortex Trajectory of a Helicopter Rotor by the Chimera Technique. GAMM-Jahrestagung, Berlin, 27.-31.3.2006.

[25]

Rödiger, T., Knauss, H., Gaisbauer, U., Krämer, E., Jenkins, S., v. Wolfersdorf, J.: Time-Resolved Heat Transfer Measurements on the Tip Wall of a Ribbed Channel Using a Novel Heat Flux Sensor – Part I: Sensor and Benchmarks. Int. Gas Turbine and Aeroengine Congress and Exposition, Barcelona, Spanien, 8.-11.5.2006. ASME Paper GT2006-91129, 2006.
Erschienen außerdem im ASME Journal of Turbomachinery, 130, 011018, 2008.

[26]
Jenkins, S., v. Wolfersdorf, J., Weigand, B., Rödiger, T., Knauss, H., Krämer, E.: Time-Resolved Heat Transfer Measurements on the Tip Wall of a Ribbed Channel Using a Novel Heat Flux Sensor – Part II: Heat Transfer Results . Int. Gas Turbine and Aeroengine Congress and Exposition, Barcelona, Spanien, 8.-11.5.2006. ASME Paper GT2006-91131, 2006.
Erschienen außerdem im ASME Journal of Turbomachinery, 130, 011019, 2008.

[27]
Lübon, C., Keßler, M., Wagner, Krämer, E.: High-Order Boundary Discretization for Discontinuous Galerkin Codes. AIAA, 24 th Applied Aerodynamic Conference, San Francisco, CA, AIAA-Paper 2006-2822.

[28]
Herrig, A., Würz, W., Lutz, Th., Krämer, E.: Trailing-Edge Noise Measurements Using a Hot-Wire Based Coherent Particle Velocity Method. AIAA, 24 th Applied Aerodynamic Conference, San Francisco, CA, AIAA-Paper 2006-3876 , DOI: 10.2514/6.2006-3876.

[29]
Dietz, M., Krämer, E., Wagner, S.: Tip Vortex Conservation on a Main Rotor in Slow Descent Flight Using Vortex-Adapted Chimera Grids. AIAA, 24 th Applied Aerodynamic Conference, San Francisco, CA, AIAA-Paper 2006-3478 , DOI: 10.2514/6.2006-3478.

[30]
Lutz, Th., Herrig, A., Würz, W., Kamruzzaman, M., Krämer, E.: Design and Wind-Tunnel Verification of Low-Noise Airfoils for Wind Turbines. AIAA, 24 th Applied Aerodynamic Conference, San Francisco, CA, AIAA-Paper 2006-3322.
Auch erschienen in: AIAA Journal, 45(4), pp. 779-792, 2007, DOI:10.2514/1.27658.

[31]
Knauss, H., Roediger, T., Gaisbauer, U., Krämer, E., Bountin, D., Smorodsky, B., Maslov, A., Srulijes, J., Seiler, F.: A Novel Sensor for Fast Heat Flux Measurements . 25 th AIAA Aerodynamic Measurement Technology and Ground Testing Conference, San Francisco, CA, AIAA-Paper 2006-3637, DOI: 10.2514/6.2006-3637.

[32]
Fedorova N.N., Fedorchenko I.A., Kharlamova Yu.V., Gaisbauer U., Krämer E.: Numerical Simulation Of Supersonic Flow Around Double Ramp Configuration And Correlation With Experiment. 4 th Int. Conf. on Computational Fluid Dynamics, Gent, Belgien, 10.-14. Juli 2006.

[33]
Lutz, Th., Würz, W., Herrig, A., Braun, K., Krämer, E., Schepers, J.G., Curvers, A.P.W.M., Oerlemans, S., Matesanz, A., Ahrelt, R., Maeder, T., Herr, S.: New Results from the European SIROCCO Project: Silent Rotors by Acoustic Optimization. DEWEK 2006, 8 th German Wind Energy Conference, Bremen, 22.-23. November 2006.

[34]
Schmid, S., Lutz, Th., Krämer, E.: Numerical Simulation of the Flow Field Around the Stratospheric Observatory For Infrared Astronomy. 15. DGLR-STAB Symposium, Darmstadt, 29.11.-01.12.2006.
Veröffentlicht in: Notes on Numerical Fluid Mechanics and Multidisciplinary Design (NNFM): New Results in Numerical and Experimental Fluid Mechanics, Vol. 96, Springer, 2008.

[35]
Dietz, M., Keßler, M., Krämer, E.: Aeroelastic Simulations of Isolated Rotors Using Weak Fluid-Structure Coupling. In Nagel, W.E., Jäger, W., Resch, M. (eds.): High Performance Computing in Science and Engineering ’06. Springer Verlag, Berlin Heidelberg, 2007.

[36]
Rödiger, T., Knauss, H., Wagner, S., Krämer, E., Bountin, D.A., Smorodsky, B.V., Chirkashenko, V.F., Zvegintsev, V.I., Maslov, A.A.: The Atomic Layer Thermopile – A Fast Heat Flux Sensor for Measuring High Heat Loads in Short Duration Hypersonic Ground Testing Facilities. Proceedings of the 13 th ICMAR, Novosibirsk, Feb. 2007.

[37]
Lenz, B., Gaisbauer, U., Krämer, E.: Fluctuation Measurements in a Supersonic Boundary-Layer Implying In-situ Calibration of the Hot-Wire Anemometer. Proceedings of the 13 th Int. Conf. on the Methods of Aerophysical Research (ICMAR), Novosibirsk, Russland, 5.-10. Feb. 2007.
Veröffentlicht in: Journal of Thermophysics and Aeromechanics, Dezember 2007 (in russ. Übersetzung)

[38]
Lenz, B., Gaisbauer, U. Krämer, E.: Fluctuation Measurements in the Boundary Layer of a Supersonic Flow. Jahrestagung der Gesellschaft für Angewandte Mathematik und Mechanik (GAMM), 16.-20. Juli 2007, Zürich, Schweiz.
Proceedings in: Applied Mathematics and Mechanics (PAMM), WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, Band 7, S. 4100035-4100036, 2007. DOI 10.102/pamm.200700729

Link:http://www3.interscience.wiley.com/cgi-bin/jtoc/91016652/

[39]
Zharkova,G.M., Kovrizhina, V.N., Petrov, A.P., Smorodsky, B.V., Knauss, H., Roediger, T., Wagner, S., Krämer, E.: Comparative Heat Transfer Studies at Hypersonic Conditions by means of three measurement techniques
Part I: Measurement Techniques, Experimental Set-up and Preceding Investigations,
Part II: Comparison of the Measurement Results and Identification with Theoretical Estimations. Proceedings of the 13 th ICMAR, Novosibirsk, Feb. 2007.

[40]
Herrig A., Würz W., Lutz Th., Krämer E., Wagner S.: Measurement of Airfoil Trailing Edge Noise with the Coherent Particle Velocity Method. 33 rd German Annual Conference on Acoustics (DAGA), Stuttgart, 19.-22 März 2007.

[41]
Lutz, Th., Herrig, A., Würz, W., Kamruzzaman, M., Krämer, E.: Design and Wind-Tunnel Verification of Low-Noise Airfoils for Wind Turbines. AIAA Journal, Vol. 45, No. 4, pp. 779-785, 2007, DOI:10.2514/1.27658.

[42]
Fedorchenko, I.A., Fedorova, N.N, Gaisbauer, U., Krämer, E.: Supersonic Double Ramp Flow Simulation and Comparison with Experimental Data. International Conference on the Methods of Aerophysical Research: Proc. Pt 4, Novosibirsk: Publishing House “Nonparel”, 2007. pp. 16-21.

[43]
Schmid, S., Lutz, Th., Krämer, E.: Simulation of the Unsteady Cavity Flow of the Stratospheric Observatory for Infrared Astronomy. IUTAM Symposium “Unsteady Separated Flows and Their Control, Korfu, Greece, Griechenland, 18.-22.06.2007.
Erschienen in: Braza, M., Hourigan, K. (Eds.): Unstaedy Separatied Flows and Their Control. IUTAM Bookseries, Springer Verlag 2009, ISBN: 978-1-4020-9897-0.

[44]
Rödiger, T., Knauss, H., Srulijes, J., Seiler, F., Krämer, E.: A Novel Fast-Response Heat Flux Sensor for Measuring Transition to Turbulence in the Boundary Layer Behind a Moving Shock Wave. 26 th Int. Symposium on Shock Waves, Göttingen, Juli 2007.

[45]
Dietz, M., Kessler, M., Krämer, E., Wagner, S.: Tip Vortex Conservation on a Helicopter Main Rotor Using Vortex-Adapted Chimera Grids. AIAA Journal, Vol. 45, No. 8, 2007, pp. 2062-2074, DOI: 10.2514/1.28643.

[46]
Dietz, M., Krämer, E., Wagner, S., Altmikus, A.: Active Rotor Performance Investigations using CFD/CSD Weak Coupling. Proc. of the 33 rd European Rotorcraft Forum, Kazan, Russia, Russland, September 2007.

[47]
Hirner, A., Dorn, F., Lutz, Th., Krämer, E.: Improvement of Propulsive Efficiency by Dedicated Stern Thruster Design. 7th AIAA Aviation Technology, Integration and Operations
Conference (ATIO). Belfast, Northern Ireland, 18-20 September 2007.

[48]
Kamruzzaman, M., Lutz, Th., Krämer, E.: An Approach to RANS Based Prediction of Airfoil Trailing Edge Far-Field Noise. Conf. Proc. 2 nd Int. Meeting on Wind Turbine Noise, Lyon, France, Frankreich, 20-21 September 2007.

[49]
Kamruzzaman, M., Sonar, Th., Lutz, Th., Krämer, E.: A New Meshless Collocation Method for Partial Differential Equations. Communication in Numerical Methods in Engineering 2008, Vol. 24, pp.1617-1639. Online-Veröffentlichung in: Communications in Numerical Methods in Engineering, Wiley InterScience, 26. Oktober 2007, DOI: 10.1002/cnm.1055.

[50]
Schmid, S., Lutz, Th., Krämer, E.: Simulation of the Flow Around the Stratospheric Observatory For Infrared Astronomy SOFIA Using URANS and DES. In: 3 rd Joint HLRB and KONWIHR Result and Reviewing Workshop, Germany, 2007.
Erschienen in:
Wagner, S.; Steinmetz, M.; Bode, A.; Brehm, M. (Eds.): High Performance Computing in Science and Engineering, Garching/Munich, 2009,ISBN: 978-3-540-69181-5.

[51]
Streiner, S., Krämer, E., Eulitz, A., Armbruster, P.: Aeroelastic Analysis of Wind Turbines Applying 3D CFD Computational Results. Journal of Physics, Conference Series 75, 2007.

[52]
Schmid, S., Lutz, Th., Krämer, E..: Simulations of the Unsteady Cavity Flow of the Stratospheric Observatory For Infrared Astronomy. IUTAM Symposium, Corfu, Greece, 2007.

[53]
Landmann, B., Kessler, M., Wagner, S., Krämer, E.: A parallel, high-order discontinuous Galerkin code for laminar and turbulent flows. Computers & Fluids 37 (2008), S. 427–438. 

[54]
Dietz, M., Khier, W., Knutzen, B., Wagner, S., Krämer, E.: Numerical Simulation of a Full Helicopter Configuration Using Weak Fluid-Structure Coupling. AIAA, 46 th AIAA Aerospace Sciences Meeting and Exhibit, Reno, NV, 7 -10 Jan. 2008, DOI:10.2514/6.2008-401.

[55]
Heitmann, D., Kähler, Chr., Radespiel, R., Rödiger, T., Knauss, H., Krämer, E.: Disturbance-Level and Roughness-Induced Transition Measurements in a Conical Boundary Layer at Mach 6. 26 th AIAA Aerodynamic Measurement Technology and Ground Testing Conference, 2008, DOI: 10.2514/6.2008-3951

[56]
Rödiger, T., Knauss, H., Gaisbauer, U., Krämer, E.: Pressure and Heat Flux Measurements on the Surface of a Low-aspect-ratio Circular Cylinder Mounted on a Ground Plate.
15. DGLR-STAB Symposium, Darmstadt, 29.11.-01.12.2006.
Veröffentlicht in: Tropea, C., Jakirlic, S., Heinemann, H.-J., Henke, R., Hönlinger, H. (eds.): Notes on Numerical Fluid Mechanics and Multidisciplinary Design (NNFM): New Results in Numerical and Experimental Fluid Mechanics, Vol. 96, Springer, 2008.

[57]
König, B., Pätzold, M., Lutz, Th., Krämer, E.: Shock Control Bumps on Flexible and Trimmed Transport Aircraft in Transonic Flow. 15. DGLR-STAB Symposium, Darmstadt, 29.11.-01.12.2006.
Veröffentlicht in: Tropea, C., Jakirlic, S., Heinemann, H.-J., Henke, R., Hönlinger, H. (eds.): Notes on Numerical Fluid Mechanics and Multidisciplinary Design (NNFM): New Results in Numerical and Experimental Fluid Mechanics, Vol. 96, Springer, 2008.

[58]
Schmid, S., Lutz, Th., Krämer, E.: Numerical Simulation of the Flow Field Around the Stratospheric Observatory for Infrared Astronomy.
Veröffentlicht in: Tropea, C., Jakirlic, S., Heinemann, H.-J., Henke, R., Hönlinger, H. (eds.): Notes on Numerical Fluid Mechanics and Multidisciplinary Design (NNFM): New Results in Numerical and Experimental Fluid Mechanics, Vol. 96, Springer, 2008.

[59]
Lübon, C., Kessler, M., Wagner, S., Krämer, E.: Detached Eddy Simulation of Separated Flow on a High-Lift Device and Noise Propagation. 2 nd Symposium on Hybrid RANS-LES Methods, Korfu, Griechenland, 17.-18.06.2007.
Veröffentlicht in: Peng, S.-H., Haase, W. (eds.): Notes on Numerical Fluid Mechanics and Multidisciplinary Design (NNFM): Advances in Hybrid RANS-LES Modelling , Vol. 97, Springer, 2008.

[60]
Dietz, M., Keßler, M., Krämer, E., Wagner, S.: Trimmed Simulation of a Complete Helicopter Configuration using Weak Fluid-Structure Coupling. In: Nagel, W.E., Jäger, W., Resch, M. (eds.): High Performance Computing in Science and Engineering ’07. Springer Verlag, Berlin Heidelberg, 2008.

[61]
Roediger, T., Knauss, H., Kraemer, E., Estdorf, M., Schneider, S.P., Smorodsky, B.V.: Hypersonic Instability Waves Measured Using Fast-Response Heat-flux Gauges. AIAA 46 th Aerospace Science Meeting and Exhibit, Reno, Nevada, 7.-10.1.2008, AIAA-Paper 2008-0638.

[62]
Kamruzzaman, M., Lutz, Th., Herrig, A., Krämer, E.: RANS Based Prediction of Airfoil Trailing Edge Far- Field Noise: Impact of Isotropic & Anisotropic Turbulence. 14 th AIAA/CEAS Aeroacoustics Conference (29 th AIAA Aeroacoustic Conference), Vancouver, Canada, 5-7 May 2008, AIAA-2008-2867, DOI: 10.2514/6.2008-2867.

[63]
Lutz, Th., König, B., Pätzold, M., Krämer, E.: Optimisation of Supports for High Reynolds Number Testing. ECCOMAS Conference 2008.

[64]
Herrig A., Würz W., Krämer E., Wagner S.: New CPV-Results of NACA 0012 Trailing-Edge Noise. Int. Conf. on Methods of Aerophysical Research ICMAR, 30.06.-06.07.2008, Novosibirsk, Russland.

[65]
Braga de Paula, I., Sartorious, D., Würz, W., Kraemer, E., Kachanov, Y.S.: Experimental study of broadband resonant interactions in a non-self similar boundary layer on an airfoil. Int. Conf. on Methods of Aerophysical Research ICMAR, 30.06.-06.07.2008, Novosibirsk, Russland.

[66]
Lenz, B., Gaisbauer, U., Kraemer, E., Kosinov, A.D., Fedorchenko, I.A., Fedorova, N.N.: Experimental and numerical investigations of laminar and turbulent boundary layer separation at M = 2. Proceedings of the 14 th Int. Conf. on Methods of Aerophysical Research (ICMAR), 30.06.-06.07.2008, Novosibirsk, Russland.

[67]
Herrig, A., Würz, W., Krämer, E., Wagner, S.: Trailing-Edge Noise Measurements on NACA 0012 Airfoils Using the Coherent Particle Velocity Method. 15 th Int. Congress of Sound and Vibration, Daejon, Korea, 06.-10.July 2008.

[68]
Kamruzzaman, M., Nübler, K., Lutz, Th., Krämer E.: IAGNoise: An Airfoil Noise Prediction Tool with Graphical Frontend. Poster Presentation, Abstract in Proc. of the European Postgraduate Fluid Dynamics Conf. (EPFDC), 21-23 July, 2008, Keele University, UK.

[69]
König, B., Pätzold, M., Lutz, Th., Krämer, E., Rosemann, H., Richter, K., Uhlemann, H.:
Numerical and Experimental Validation of Three-Dimensional Shock Control Bumps.
4 th AIAA Flow Control Conference, Seattle, WA, USA, 23 - 26 June 2008, AIAA 2008-4001.

[70]
König, B., Pätzold, M., Lutz, Th., Krämer, E., Rosemann, H., Richter, K., Uhlemann, H.:
Numerical and Experimental Validation of Three-Dimensional Shock Control Bumps.
4 th Flow Control Conference, 2008, DOI:10.2514/6.2008-4001.
Auch erschienen im J. of Aircraft 2009 (s. unter 2009.)

[71]
Schmid, S., Lutz, Th., Krämer, E., Kühn, T.: Passive Control of the Flow Around the Stratospheric Observatory For Infrared Astronomy. AIAA 26 th Applied Aerodynamic Conf., Hawaii, US, 18.-21. August 2008, AIAA-Paper 2008-6717, 2008, DOI: 10.2514/6.2008-6717.
Veröffentlicht in: Journal of Aircraft, Vol. 46, No. 4, pp. 1319 – 1325, July-August 2009, DOI: 10.2514/1.40777.

[72]
Schmid S., Lutz, Th., Krämer, E.: DES Simulations of the Unsteady Flow Field Around the Stratospheric Observatory For Infrared Astronomy SOFIA. XXII Int. Congress of Theoretical and Applied Mechanics, Adelaide, Australia, 25 - 28 August 2008.

[73]
Lenz. B., Gaisbauer, U., Krämer, E., Kosinov, A.D., Semionov, N.V., Yermolaev, Y.G.: Experimentelle Untersuchung der Wellenausbreitung künstlich angefachter Störungen in einer laminaren Überschall-Grenzschicht. Tagungsband des Deutschen Luft- und Raumfahrtkongresses (DLRK), 8.-10. September 2008, Darmstadt.

[74]
Streiner, S., Hauptmann, St., Kühn, M., Krämer, E.: Coupled Fluid-Structure Simulations of a Wind Turbine Rotor. Proc. DEWEK 2008, 9 th German Wind Energy Conference, Bremen, 26.-27. November 2008.

[75]
Wagner, S., Dietz, M., Embacher, M., Schneider, C., Krämer, E.: Influence of Grid Arrangements and Fuselage on the Numerical Simulation of the Helicopter Aeromechanics in Slow Descent Flight.  International Conference on Computational and Experimental Engineering and Sciences, Hawaii, 2008.

[76]
Hirner, A., Lutz, Th., Krämer, E.: Reduction of Noise Emission of Suboptimal Operating Propellers. Paper Nr.: 71183, 7 th Intl. Airship Convention 2008, Friedrichshafen, 9.-11. Oktober 2008.

[77]
König, B., Lutz, Th., Krämer, E.: Numerical Simulation of a Transonic Wind Tunnel Experiment. In: Nagel, W.E., Kröner, D.B., Resch, M.M. (eds.): High Performance Computing in Science and Engineering ’08. Springer Verlag, Berlin Heidelberg, 2009.

[78]
Embacher, M., Keßler, M., Bensing, F., Krämer, E.: Numerical Simulation of Helicopter Aeromechanics in Slow Descent Flight. In: Nagel, W.E., Kröner, D.B., Resch, M.M. (eds.): High Performance Computing in Science and Engineering ’08. Springer Verlag, Berlin Heidelberg, 2009.

[79]
Kamruzzaman, M., Lutz. Th., Ivanov, A., Herrig, A., Würz, W., Krämer, E.: Evaluation of Measured Anisotropic Turbulent Two-point Correlation Data for the Accurate Prediction of the Turbulence Noise Sources. 15 th AIAA/CEAS Aeroacoustics Conference, (30 th AIAA Aeroacoustic Conference), Miami, Florida, 11.-13. May 2009, AIAA Paper 2009-3313-818, DOI: 10.2514/6.2009-3313.

[80]
König, B., Pätzold, M., Lutz, Th., Krämer, E., Rosemann, H., Richter, K., Uhlemann, H.:
Numerical and Experimental Validation of Three-Dimensional Shock Control Bumps.
J. of Aircraft, Vol.46, No.2, pp. 675-682, 2009, DOI:10.2514/1.41441.

[81]
Kamruzzaman, M., Herrig, A., Lutz, Th., Würz, W., Krämer, E., Wagner, S.: Comprehensive Evaluation and Assessment of Trailing Edge Noise Prediction Based on Dedicated Measurements. 3 rd Conf. on Wind Turbine Noise, Aalborg, Dänemark, 17.-19. Juni 2009.
Auch erschienen in (s.u.): Intl. J. of Noise Control Engineering, Spezialausgabe Wind Turbine Noise, Vol. 59(1), pp. 54-67, Jan.-Febr. 2011, DOI: 10.3397/1.3531794.

[82]
Schreyer, A.-M., Gaisbauer, U., Krämer, E.: Fluctuation Measurements in the Turbulent Boundary Layer of a Supersonic Flow. IUTAM Symposium on Laminar-Turbulent Transition, 23.-26. Juni 2009, Stockholm, Schweden.

[83]
Klein, A., Altmikus, A., Richter, K., Lutz, Th., Krämer, E.: UNSTEADY CRITERIA FOR HELICOPTER AIRFOIL DESIGN. 35 th European Rotorcraft Forum, September 22-25, 2009, Hamburg, Germany .

[84]
Wolf, A., Lutz, Th., Krämer, E.: Active Flow Control for Noise Reduction and Performance Improvement of Future Generation Wind Turbines. . Proceedings of EAWE 2009 Conference, Durham University, 27 September – 1 October, Durham, England.

[85]
Schmid, S., Lutz, Th., Krämer, E.: Control of the unsteady flow inside the SOFIA telescope cavity by means of a porous fence. Third Symposium on Hybrid RANS-LES Methods, 10-12 June 2009, Gdansk, Poland.

[86]
Schmid, S., Lutz, Th., Krämer, E.: Impact of Modelling Approaches to the Prediction of Ground Effect Aerodynamics. J. of. Engineering Applications of Computational Fluid Mechanics, Vol. 3, No. 3, September 2009.

[87]
Roediger, T., Knauss, H., Smorodsky, B.V., Bountin, D.A., Maslov, A.A., Kraemer, E., Wagner, S.: Hypersonic Instability Waves Measured on a Circular Cone at M=12 Using Fast-response Surface Heat-flux and Pressure Gauges. IUTAM-Symposium, 2009.

[88]
Meister, K., Lutz, Th., Krämer, E.:, “Development of a process chain for detailed wake simulation of horizontal axis wind turbines”, EUROMECH Colloquium 508 - Wind turbine wakes, Madrid, Spain, October 20-22, 2009.

[89]
Kamruzzaman, M., Meister, K., Lutz, Th., Kühn, M., Krämer, E.: Wind Turbine Aerodynamics and Aeroacoustics at University of Stuttgart - An Overview of Research and Development
1 st Int. Conf. on the Developments in Renewable Energy Technology (ICDRET'09), Dhaka, Bangladesh, December 17-19, 2009

[90]
Schmid, S.,; Kütemeyer, M.; Lutz, Th,; Krämer, E.: Characterisation of the Aeroacoustic Properties of the SOFIA Cavity and its Passive Control. In: Wagner, S. et al (eds.): High Performance Computing in Science and Engineering, Garching/Munich 2009, Springer Verlag.

[91]
Wolf, A., Kamruzzaman, M., Würz, W., Lutz, Th., Krämer, E.: Wall Pressure Fluctuation (WPF) and Trailing-Edge Noise Measurements on a NACA 64-418 Airfoil. Technical Report, EU-project UpWind, Institute of Aerodynamics and Gasdynamics (IAG), University of Stuttgart, Nov. 2009.

[92]
Embacher, M., Keßler, M., Krämer, E.: Convergence of Helicopter Trim Calculations with 6 Degrees of Freedom and CFD-CSD Coupling. In: Nagel, W.E., Kröner, D.B., Resch, M.M. (eds.): High Performance Computing in Science and Engineering ’09. Springer Verlag, Berlin Heidelberg, 2010.

[93]
Kamruzzaman, M., Lutz, Th., Herrig, A., Krämer, E.: Semi-empirical Modeling of Turbulent Anisotropy for Airfoil Self Noise Prediction. 16 th AIAA/CEAS Aeroacoustics Conference, Sweden, 7 -9 June 2010, AIAA Paper 2010-3878, DOI: 10.2514/6.2010-3878.
Auch erschienen (s. unter 2012) im AIAA Journal, Vol. 50 (1), pp. 46-60, Jan. 2012, DOI: 10.2514/1.56982.

[94]
Embacher, M., Keßler, M., Dietz, M., Krämer, E.: Coupled CFD-Simulation of a Helicopter in Free-Flight Trim. Proceedings of the American Helicopter Society, 66 th Annual Forum, Phoenix, AZ, USA, 2010.

[95]
Schreyer, A.-M., Gaisbauer, U., Krämer, E.: Fluctuation Measurements in the Turbulent Boundary Layer of a Supersonic Flow. In: Schlatter, P., Henningson, D.S. (Eds.): Seventh IUTAM Symposium on Laminar-Turbulent Transition, IUTAM Bookseries Volume 18, 2010, pp 569-572.

[96]
Illi, S., Lutz, Th., Krämer, E.: 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, 22 – 23 June 2010

[97]
Kamruzzaman, M., Wolf, A., Bekiropoulos, D., Lutz, Th., Würz, W., Herring, A., Krämer, E.: Study of Turbulent Boundary Layer Wall Pressure Fluctuations Spectrum Models for Trailing-edge Noise Prediction. 15 th Int. Conf. on the Methods of Aerophysical Research (ICMAR 2010), Akademgorodok, Novosibirsk Russia, 1-6, Nov., 2010

[98]
Knauss, H., Rödiger, T., Wagner, S., Krämer, E.: The Atomic Layer Thermopile – Some Applications of a New Heat Transfer Measurement Technique in  Fluid Mechanics  and Thermodynamics. 15 th Int. Conf. on the Methods of Aerophysical Research (ICMAR 2010), Akademgorodok, Novosibirsk, Russia, 1-6, Nov., 2010

[99]
de Paula, I. B., Würz, W., Krämer, E., Borodulin, V. I., Kachanov, Y., S.: Generation of seeds for subharmonic resonances in an airfoil boundary  layer transition initiated by modulated TS waves. 15 th Int. Conf. on the Methods of Aerophysical Research (ICMAR 2010), Akademgorodok, Novosibirsk Russia, 1-6, Nov., 2010

[100]
Schreyer, A.-M., Gaisbauer, U., Krämer, E.: Measurements of total pressure fluctuations in the turbulent boundary layer of a supersonic flow. In: Proc. of the 15 th Int. Conf. on Methods of Aerophysical Research ICMAR, 2010, Novosibirsk, Russia.

[101]
Kamruzzaman, M.; Lutz, Th.; Krämer, E.: Improved Wind Turbine Noise Prediction Tools for Low Noise Airfoil Design. Proc. DEWEK 2010, 10 th German Wind Energy Conference, Bremen, 17.-18. November 2010.

[102]
Meister, K.; Lutz, Th.; Krämer, E.: Consideration of Unsteady Inflow Conditions in Wind Turbine CFD Simulations. Proc. DEWEK 2010, 10 th German Wind Energy Conference, Bremen, 17.-18. November 2010.

[103]
Wolf, A., Lutz, Th., Würz, W., Stalnov, O., Krämer, E.: Impact of Suction on Boundary-Layer and Noise Emission of Wind Turbine airfoils.  Proc. DEWEK 2010, 10 th German Wind Energy Conference, Bremen, 17.-18. November 2010.

[104]
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

[105]
Lutz, Th.; Meister, K.; Krämer, E.: Near Wake Studies of the MEXICO Rotor.  EWEA Annual Event 2011, Brussels, 14-17 March 2011.

[106]
Bensing, F., Keßler, M., Krämer, E.: CFD-CSM-Coupled Simulation of Helicopter Rotors Using an Unstructured Flow Solver. In: Nagel, W.E., Kröner, D.B., Resch, M.M. (eds.): High Performance Computing in Science and Engineering ´10, DOI 10.1007/978-3-642-15748-6, Springer Verlag Berlin Heidelberg 2011.

[107]
Illi, S., Engfer, Chr., Lutz, Th., Krämer, E.: Hybrid RANS-LES methods for complex applications. CFD and Experiment – Integration of Simulation, Workshop of the DGLR-Querschnittsbereich Thermo- and Fluiddynamics, Göttingen, Germany, April 5 th - 6 th, 2011

[108]
S. 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

[109]
Kamruzzaman, M., Lutz, Th., Nübler, K., Krämer, E.: Implementation and Verification of an Aeroacoustic Wind Turbine Blade Analysis Tool. 4 th International Meeting on Wind Turbine Noise, Rome, Italy, 12.-14. April 2011.

[110]
Kamruzzaman, M., Lutz, Th., Würz, W., Krämer, E.: On the Length Scales of Turbulence for Aeroacoustic Applications. 17 th AIAA/CEAS Aeroacoustic Conference (32 nd AIAA Aeroacoustic Conference), Portland, Oregon, USA, 6 - 8 June 2011, AIAA-Paper No AIAA-2011-2734, DOI: 10.2514/6.2011-2734. 

[111]
Embacher, M., Keßler, M., Dietz, M., Krämer, E.: Capability of Helicopter CFD-Simulations Trimmed to Free Flight Condition to Predict Flight Test Data.  37 th European Rotorcraft Forum, September 13-15, 2011, Gallarate (VA) – Italy.

[112]
Hollands, M., Keßler, M., Altmikus, A., Krämer, E.: Trade Study: Influence of Different Blade Shape Designs on Forward Flight and Hovering Performance of an Isolated Rotor. 37 th European Rotorcraft Forum, September 13-15, 2011, Gallarate (VA) – Italy.

[113]
Klein, A., Richter, K., Gardner, A.D., Altmikus, A.R.M.,Lutz, Th., Krämer, E.: Numerical Comparison of Dynamic Stall for 2D-Airfoils and an Airfoil Model in the DNW-TWG. 37 th European Rotorcraft Forum, September 13-15, 2011, Gallarate (VA) – Italy.

[114]
Koster, J., Serani, E., Velazco, A., Wiley, Th., Munz, C.-D., Kurz, H., Krämer, E., Wong, K.C., Lehmkuehler, K., Verstraete, D.: HYPERION: An International Collaboration. Proceedings of the 7th International CDIO Conference, Technical University of Denmark, Copenhagen, June 20 - 23, 2011.

[115]
Koster, J., Balaban, S., Brewer, A., Goodman, C., Hillery, D., Humbargar, C., Johnson, M., Kosyan, M., Nasso., D., Price, J., Serani, E., Velazco, A., Wiley, Th., Zhao, R., Arenz, M., Kurz, H., Pfeifer, D., Seitz, M., Munz, C.-D., Krämer, E., Lehmkuehler, K., Wong, K.-C., Verstraete, D.: Hyperion Flying Wing Aircraft Technology. Proceedings of the 7th International CDIO Conference, Technical University of Denmark, Copenhagen, June 20 - 23, 2011.

[116]
Koster, J., Velazco, A., Munz, C.-D., Krämer, E., Wong, K.C., Verstraete, D.:WORKFORCE DEVELOPMENT FOR GLOBAL AIRCRAFT DESIGN . Proceedings of the ASME 2011 International Mechanical Engineering Congress & Exposition IMECE2011 November 11-17, 2011, Denver, Colorado, USA , IMECE2011-62273.

[117]
Koster, J., Munz, C.-D., Kraemer, E., Wong, K.-C, Verstraete, D., Goodman, C., Hillery, D., Serani, E., Arenz, M., Kurz, H., Pfeifer, D., Seitz, M., Balaban, S., Brewer, A., Johnson, M., Kosyan, M., Nasso, D., Price, J., Velazco, A., Wiley, Th., Humbargar, C., Zhao, R., Lehmkuehler, K.: Rapid, International Design and Test of a Hybrid-Powered, Blended-Wing Body Unmanned Aerial Vehicle. 11 th AIAA Aviation Technology, Integration, and Operations (ATIO) Conference, 2011, DOI: 10.2514/6.2011-6964.

[118]
Meister, K., Lutz, Th., Krämer, E.: Grid dependency studies on tip vortex preservation in wind turbine CFD simulations. Proceedings of Wake Conference, 8-9 June, 2011, Visby, Sweden.

 

[119]
Koster, J., Velazco, A., Munz, C.-D., Krämer, E., Wong, K.C., Verstraete, D.: HYPERION UAV: An International Collaboration. 50 th AIAA Aerospace Sciences Meeting, Nashville, TN, 9 - 12 Jan. 2012, AIAA-2012-1223, DOI: 10.2514/6.2012-1223.

[120]
Kranzinger, P., Hollands, M., Keßler, M., Wagner, S., Krämer, E.: Generation and Verification of Meshes Used in Automatic Process Chains to Optimize Rotor Blades. 50 th AIAA Aerospace Sciences Meeting, Nashville, TN, 9 - 12 Jan. 2012, AIAA-2012-1260, DOI:10.2514/6.2012-1260.

[121]
Nübler, K., Lutz, Th., Krämer, E., Colliss, S., Babinsky, H.: Shock Control Bump for Robustness Enhancement. 50 th AIAA Aerospace Sciences Meeting, Nashville, TN, 9 - 12 Jan. 2012, AIAA-2012-0046, DOI: 10.2514/6.2012-46.

[122]
Koster, J., Hillery, D., Munz, C.-D., Krämer, E., Verstraete, D.: The Hyperion 2 Green Aircraft 50 th AIAA Aerospace Sciences Meeting, Nashville, TN, 9 - 12 Jan. 2012, AIAA-2012-0878.

[123]
Bensing, F., Embacher, M., Hollands, M., Kutz, B., Keßler, M., Krämer, E.: Numerical Simulation of Helicopter Wake Evolution, Performance and Trim. In: Nagel, W.E., Kröner, D.H., Resch, M.M. (eds.): High Performance Computing in Science and Engineering ´11, DOI 10.1007/978-3-642-23869-7_30, Springer Verlag Berlin Heidelberg 2012

[124]
Klein, A., Illi, S., Nübler, K., Lutz, Th., Krämer, E.: Wall Effects and Corner Separations for Subsonic and Transonic Flow Regimes. In: Nagel, W.E., Kröner, D.H., Resch, M.M. (eds.): High Performance Computing in Science and Engineering ´11, DOI 10.1007/978-3-642-23869-7_30, Springer Verlag Berlin Heidelberg 2012.

[125]
Engfer, Chr., Pfueller, E., Wiedeman, M., Wolf, J., Lutz, Th., Krämer, E., Röser, H-P.: Evaluation of the aero-optical properties of the SOFIA cavity by means of Computional Fluid Dynamics and a Super Fast Diagnostic Camera. SPIE Astronomical Telescopes + Instrumentation, 1-6 July 2012, Amsterdam, Netherlands.

[126]
Kalimullina, A., Illi, S., Gansel, P., Lutz, Th., Krämer, E.: The Spectral Analysis of Unsteady Pressure Coefficient at the Wing Trailing Edge. In: of the 16 th Int. Conf. on the Methods of Aerophysical Research ICMAR, August 20 - 26, 2012 Kazan, Russia.

[127]
Kamruzzaman, M., Lutz, Th., Herrig, A., Krämer, E.: Semi-Empirical Modeling of Turbulent Anisotropy for Airfoil Self-Noise Predictions. AIAA Journal, Vol.50, No.1, pp. 46-60, January 2012, DOI:10.2514/1.56982.

[128]
Hollands, M., Keßler, M., Krämer, E.: Influence of An-/Dihedral and of Different Blade Shapes on Performance and Aeroacoustics of an Isolated Rotor. 38 th European Rotorcraft Forum, Amsterdam, Netherlands, 2012.

[129]
Kutz, B.M., Großmann, T., Keßler, M., Krämer, E.: Experimental and Numerical Examination of a Helicopter Hovering in Ground Effect. 38 th European Rotorcraft Forum, Amsterdam, Netherlands, 2012.
Auch erschienen im CEAS Aeronautical Journal 2013 (s.u.).

[130]
Kutz, B.M., Kowarsch, U., Keßler, M., Krämer, E.: Numerical Investigation of Helicopter Rotors in Ground Effect. 30 th AIAA Applied Aerodynamics Conference, New Orleans, USA, 2012, Paper AIAA-2012-2913, DOI: 10.2514/6.2012-2913.

[131]
Plogmann, B., Würz, W., Krämer, E.: Interaction of a Laminar Boundary Layer with a Cylindrical Roughness Element near an Airfoil Leading Edge. 42 nd AIAA Fluid Dynamics Conference and Exhibit, 2012, DOI: 10.2514/6.2012-3077.

[132]
Busch, E.R., Keßler, M., Krämer, E.: Numerical Investigation of Counter-Rotating Open Rotor Noise Emission in Different Flight Conditions. ASME Turbo Expo, Copenhagen, Denmark, 2012.

[133]
Illi, S., Lutz, Th., Krämer, E.: On the capability of unsteady RANS to predict transonic buffet. Third Symposium "Simulation of Wing and Nacelle Stall", Braunschweig, Germany, 22 – 23 June, 2010.

[134]
Meister, K., Lutz, Th., Krämer, E.: Time - Resolved CFD Simulation of a turbulent atmospheric boundary layer interacting with a wind turbine. Euromech Colloquium [528], 22 - 24 February, Oldenburg, Germany, 2012.

[135]
Klein, A., Lutz, Th., Krämer, E., Richter, K., Gardner, A.D., Altmikus, A.R.M.: 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.

[136]
Kowarsch, U. ; Bensing, F. ; Keßler, M. ; Krämer, E.: Untersuchungen zur Rotornachlauf-Rumpf-Interaktion mit einem hybriden Strömungslöser / Universität Stuttgart. 2012 (KR2959/1). – Abschlussbericht des DFG-Projektes KR 2959/1.

[137]
Busch, E.R., Keßler, M., Krämer, E.: Numerical Investigation of different blade tip shapes operating at transonic blade tip speeds. 16th workshop of the Aeroacoustics Specialist Committee of CEAS / 2nd scientific workshop of the European X-Noise EV network "AEROACOUSTIC INSTALLATION EFFECTS & NOVEL AIRCRAFT ARCHITECTURES", 11 – 12 October 2012, Braunschweig, Germany

[138]
Busch, E.R., Keßler, M., Krämer, E.: Computational aeroacoustics of a counter-rotating open rotor at different angles of attack. DGLR-Fach-Symposium der STAB, 6. - 7. November 2012.
Erschienen in: Dillmann, A., Heller, G., Krämer, E., Kreplin, H. P., Nitsche, W., Rist, U. (Hrsg.): Notes on Numerical Fluid Mechanics and Multidisciplinary Design, Vol. 124, New Results in Numerical and Experimental Fluid Mechanics IX. Springer, 2014. ISBN: 978-3-319-03157-6.

[139]
Wurst, M., Keßler, M., Krämer, E.: Detached Eddy Simulation using the Discontinuous Galerkin method. 1 DGLR-Fach- Symposium der STAB, 6. - 7. November 2012.
Erschienen in: Dillmann, A., Heller, G., Krämer, E., Kreplin, H. P., Nitsche, W., Rist, U. (Hrsg.): N otes on Numerical Fluid Mechanics and Multidisciplinary Design, Vol. 124, New Results in Numerical and Experimental Fluid Mechanics IX . Springer, 2014. ISBN: 978-3-319-03157-6.

[140]
Bogdanski, S., Nübler, K., Lutz, Th., Krämer, E.: Numerical Investigation of the Influence of Shock Control Bumps on the Buffet Characteristics of Transonic Airfoils. 18. DGLR-Fach-Symposium der STAB, 6. - 7. November 2012.
Erschienen in: Dillmann, A., Heller, G., Krämer, E., Kreplin, H. P., Nitsche, W., Rist, U. (Hrsg.): Notes on Numerical Fluid Mechanics and Multidisciplinary Design, Vol. 124, New Results in Numerical and Experimental Fluid Mechanics IX. Springer, 2014. ISBN: 978-3-319-03157-6.

[141]
Gansel, P., Dürr, P., Baumann, M., Lutz, Th., Krämer, E.: Influence of Meshing on Flow Simulation in the Wing-Body Junction of Transport Aircraft. DGLR-Fach-Symposium der STAB, 6. - 7. November 2012.
Erschienen in: Dillmann, A., Heller, G., Krämer, E., Kreplin, H. P., Nitsche, W., Rist, U. (Hrsg.): Notes on Numerical Fluid Mechanics and Multidisciplinary Design, Vol. 124, New Results in Numerical and Experimental Fluid Mechanics IX. Springer, 2014. ISBN: 978-3-319-03157-6.

[142]
Plogmann, B., Würz, W., Krämer, E.: Interaction of a Cylindrical Roughness Element and a Two-Dimensional TS-Wave. DGLR-Fach-Symposium der STAB, 6. - 7. November 2012.
Erschienen in: Dillmann, A., Heller, G., Krämer, E., Kreplin, H. P., Nitsche, W., Rist, U. (Hrsg.): Notes on Numerical Fluid Mechanics and Multidisciplinary Design, Vol. 124, New Results in Numerical and Experimental Fluid Mechanics IX. Springer, 2014. ISBN: 978-3-319-03157-6.

[143]
Hollands, M., Keßler, M., Krämer, E.: Blade Shape Design: Trim Acceleration for Fluid-Structure Coupled Simulations of an Isolated Rotor In Forward Flight. DGLR-Fach-Symposium der STAB, 6. - 7. November 2012.
Erschienen in: Dillmann, A., Heller, G., Krämer, E., Kreplin, H. P., Nitsche, W., Rist, U. (Hrsg.): Notes on Numerical Fluid Mechanics and Multidisciplinary Design, Vol. 124, New Results in Numerical and Experimental Fluid Mechanics IX. Springer, 2014. ISBN: 978-3-319-03157-6.

[144]
Stanger, Chr., Hollands, M., Keßler, M., Krämer, E.: Adaptation of the Dynamic Rotor Blade Modelling in CAMRAD for Fluid-Structure Coupling Within a Blade Design Process. DGLR-Fach-Symposium der STAB, 6. - 7. November 2012.
Erschienen in: Dillmann, A., Heller, G., Krämer, E., Kreplin, H. P., Nitsche, W., Rist, U. (Hrsg.): Notes on Numerical Fluid Mechanics and Multidisciplinary Design, Vol. 124, New Results in Numerical and Experimental Fluid Mechanics IX . Springer, 2014. ISBN: 978-3-319-03157-6.

[145]
Wolf, A., Lutz, Th., Krämer, E.: Modelling of Active Flow Control for Noise Reduction of Future Wind Turbines. DEWEK 2012, 11 th German Wind Energy Conference, Bremen, 07.-08. November 2012.

[146]
Bekiropoulos, D., Lutz, Th., Krämer, E., Matha, D., Werner, M., Cheng, P. W.: Simulation of Unsteady Aerodynamic Effects on Floating Offshore Wind Turbines. DEWEK 2012, 11 th German Wind Energy Conference, Bremen, 07.-08. November 2012.

 

[147]
Wolf, A., Henes, D., Bogdanski, S., Lutz, Th., Krämer, E.: Statistical Analysis of Parameter Variations using the Taguchi Method. In: Eisfeld, B., Barnewitz, H., Fritz, W., Thiele, F.: Management and Minimisation of Uncertainties and Errors in Numerical Aerodynamics. Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Volume 122, Springer Verlag 2013, pp 247-264.

[148]
Busch, E.R., Wurst, M.S., Keßler, M., Krämer, E.: Computational Aeroacoustics with Higher Order Methods. In: Nagel, W.E., Kröner, D.H., Resch, M.M. (eds.): High Performance Computing in Science and Engineering ´12, DOI 10.1007/978-3-642-333374-3, Springer Verlag Berlin Heidelberg 2013, 239-253.

[149]
Nübler, K., Colliss, S.P., Lutz, T., Babinsky, H., Krämer, E.: Numerical and Experimental Examination of Shock Conrol Bump Flow Physics. In: Nagel, W.E., Kröner, D.H., Resch, M.M. (eds.): High Performance Computing in Science and Engineering ´12, DOI 10.1007/978-3-642-333374-3, Springer Verlag Berlin Heidelberg 2013, 333-350.

[150]
Matter, M., Busch, E.R., Lutz, T., Keßler, M., Krämer, E.: Numerical investigation of a model propeller operating under off-design conditions. 51 st Aerospace Sciences Meeting, New Horizons Forum and Aerospace Exhibition, Grapevine, TX, USA, 7-10 January 2013, DOI: 10.2514/6.2013-758.

[151]
Illi, S., Gansel, P., Lutz, T., Krämer, E. (2013) Hybrid RANS–LES wake studies of an airfoil in stall. CEAS Aeronautical Journal, Vo.4, Issue 2, 2013, DOI: 10.1007/s13272-012-0050-z.

[152]
Busch, E.R., Keßler, M., Krämer, E.: Aeracoustics of a high-fidelity CFD calculation of a Counter-Rotating Open Rotor in take-off conditions. 19 th AIAA/CEAS Aeroacoustics Conference (34 th AIAA Aeroacoustics Conference) 27-29 May 2013, Berlin, Germany, DOI: 10.2514/6.2013-2202.

[153]
Engfer, Chr., Lutz, Th., Krämer, E.: Characterization of the Cavity Shear Layer of the Stratospheric Observatory For Infrared Astronomy by Means of Pressure Sensor Data and a Hybrid RANS-LES Study. 21 st AIAA Computational Fluid Dynamics Conference, San Diego, USA, 24-27 June 2013, DOI: 10.2514/6.2013-2839.

[155]
Hollands, M., Keßler, M., Krämer, E.: Planform Design for a Five Bladed Isolated Helicopter Rotor Using Fluid-Structure Coupled CFD Simulations. 31 st AIAA Applied Aerodynamics Conference, San Diego, USA, 24-27 June 2013, DOI: 10.2514/6.2013-2525.

[156]
Wurst, M., Keßler, M., Krämer, E.: Aerodynamic and acoustic analysis of an extruded airfoil with a trailing edge device using Detached Eddy Simulation with a Discontinuous Galerkin method. 21 st AIAA Computational Fluid Dynamics Conference, San Diego, USA, 24-27 June 2013, DOI: 10.2514/6.2013-2429.

[157]
Illi, S., Fingskes, Chr., Lutz, Th., Krämer, E.: Transonic Tail Buffet Simulations for the Common Research Model. 31 st AIAA Applied Aerodynamics Conference, San Diego, USA, 24-27 June 2013, DOI: 10.2514/6.2013-2510.


[158]

Kowarsch, U., Keßler, M., Krämer, E.: High Order CFD-Simulation of the Rotor-Fuselage Interaction. 39 th European Rotorcraft Forum, Moscow, 2013.

[159]
Kutz, B.M., Großmann, T., Keßler, M., Krämer, E.: Experimental and Numerical Examination of a Helicopter Hovering in Ground Effect. CEAS Aeronautical Journal, Volume 4, Issue 4 (2013), pp. 397-408, DOI: 10.1007/s13272-013-0084-x, 2013.

[160]
De Paula, , Würz, W., Krämer, E., Borodulin, V., Kachanov, Y.: Weakly-nonlinear Stages of Boundary-Layer Transition by Modulated Tollmien-Schlichting Waves. Journal of Fluid Mechanics, Vol. 732, October 2013, pp 571 - 615.

[161]
Krämer, E.: Konfigurationsaerodynamik Kampfflugzeuge. In: Rossow, C.-C., Wolf, K., Horst, P. (Hrsg.): Handbuch der Luftfahrzeugtechnik. Carl Hanser Verlag München, 2014, pp. 113-150.

[162]
Gansel, P., Illi, S., Krimmer, S., Lutz, Th., Krämer, E.: Unsteady CFD Simulation of the NASA Common Research Model in Low Speed Stall. In: Nagel, W.E., Kröner, D.H., Resch, M.M. (eds.): High Performance Computing in Science and Engineering ´13, DOI 10.1007/978-3-319-02165-2, Springer Verlag Berlin Heidelberg 2013, 439-454.

[163]
Kowarsch, U., Oehrle, C.,Hollands, M., Keßler, M., Krämer, E.: Computation of Helicopter Phenomena Using a Higher Order Method. In: Nagel, W.E., Kröner, D.H., Resch, M.M. (eds.): High Performance Computing in Science and Engineering ´13, DOI 10.1007/978-3-319-02165-2, Springer Verlag Berlin Heidelberg 2013, 423-438.

[164]
Dillmann, A., Heller, G., Krämer, E., Kreplin, H.-P., Nitsche, W., Rist, U. (Hrsg.): Notes on Numerical Fluid Mechanics and Multidiscipinary Design 124. New Results in Numerical and Experimental Fluid Mechanics IX. Contributions to the 18 th STAB/DGLR Symposium, Stuttgart, Germany, 2012. Springer-Verlag 2014, ISBN: 978-3-319-03157-6.

[165]
Plogmann, B., Petri, L., Souza, L., Wuerz, W., Kraemer, E.: Disturbance Evolution downstream of a Cylindrical Roughness Element: Experiments and DNS. 44 th AIAA Fluid Dynamics Conference, AIAA Aviation and Aeronautics Forum and Exposition 2014 [accepted]

[166]
Plogmann B., Würz W., Krämer E.: On the disturbance evolution downstream of a cylindrical roughness element. Journal of Fluid Mechanics, vol. 758, pp. 238-286, 2014.

[167]
Kamruzzaman, M., Bekiropoulos, D., Wolf, A., Lutz, Th., Kraemer, E.: Rnoise: A RANS Based Airfoil Trailing-edge Noise Prediction Model. 20 th AIAA/CEAS Aeroacoustic Conference, AIAA Aviation and Aeronautics Forum and Exposition 2014, Atlanta, U.S., AIAA2014-3305.

[168]
Arnold, B., Lutz, T., Krämer, E., Abzalilov, D.: 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 .

[169]
Krause, M., Gaisbauer, U., Kosinov, A.D., Yermolaev, Y., Krämer, E.: Static Calibration of Wedge Hot-film Probe and determination of Sensitivities for Modal Analysis in T-325 Supersonic Wind Tunnel. Angenommen für die 17th International Conference on the Methods of Aerophysical Research (ICMAR 2014) .

[170]
Gaisbauer, U., Krämer, E., Weigand, B., Yaroslavtsev, M.I.: Aero-thermodynamic Design of a Scramjet Propulsion System – Ground Testing. Angenommen für die 17th International Conference on the Methods of Aerophysical Research (ICMAR 2014) .

[171]
Kowarsch, U., Keßler, M., Krämer, E.: CFD-Simulation of the Rotor Head Influence on the Rotor-Fuselage Interaction. 40 th European Rotorcraft Forum, Southampton, 2014.

[172]
Lutz, Th., Arnold, B., Wolf, A., Krämer, E.: Numerical Studies on a Rotor with Distributed Suction for Noise Reduction. The Science of Making Torque from Wind 2014 (TORQUE 2014), J. Phys.: Conference Series 524 (2014) 012122. IOP Publishing. doi: 10.1088/1742-6596/524/1/012122.

[173]
Schulz, C., Klein, L., Weihing, P., Lutz, Th., Krämer, E.: CFD Studies on Wind Turbines in Complex Terrain under Atmospheric Inflow Conditions. The Science of Making Torque from Wind 2014 (TORQUE 2014), J. Phys.: Conference Series 524 (2014) 012134. IOP Publishing. doi: 10.1088/1742-6596/524/1/012134.

[174]
Weihing, P., Meister, K., Schulz, C., Lutz, Th., Krämer, E.: CFD Simulations on Interference Effects between Offshore Wind Turbines. The Science of Making Torque from Wind 2014 (TORQUE 2014), J. Phys.: Conference Series 524 (2014) 012143. IOP Publishing. doi: 10.1088/1742-6596/524/1/012143.

[175]
Meister, K., Lutz, Th., Krämer, E.: Simulation of a 5MW wind turbine in an atmospheric boundary layer. Phys.: Conference Series 555 (2014) 012071, doi: 10.1088/1742-6596/555/1/012071.

[176]
Wurst, M., Keßler, M., Krämer, E.: A high-order Discontinuous Galerkin Chimera method for laminar and turbulent flows. 53 rd AIAA Aerospace Sciences Meeting, AIAA Science and Technology Forum 2015, 5-9 January 2015, Kissimee, Florida, US.
auch erschienen in Computers and Fluids (s.u.).

[177]
Waldmann, A., Gansel, P., Lutz, Th., Krämer, E.: Unsteady Wake Flow Analysis of an Aircraft under Low-speed Stall Conditions Using DES and PIV. 53 rd AIAA Aerospace Sciences Meeting, AIAA Science and Technology Forum 2015, 5-9 January 2015, Kissimee, Florida, US. AIAA 2015-1096, 2015. DOI: 10.2514/6.2015-1096.

[178]
Shin, Y., Rist, U., Krämer, E.: Stability of the laminar boundary-layer flow behind a roughness element. Experiments in Fluids, Volume 56, Issue 1, January 2015. Springer Berlin Heidelberg, doi: 10.1007/s00348-014-1878-2

[179] Lutz, Th., Fischer, A., Jost, E., Klein, L., Krämer, E.: CFD Studies on Passive and Active Load Control for Wind Turbines. Smart Blade Symposium 2015, 11.-12.02.2015, Oldenburg.

[180]
Illg, J., Lutz, Th., Neunaber, I., Krämer, E.: Numerische Untersuchung von Vorder- und Hinterkantenlärm eines Profils in turbulenter Anströmung. Jahrestagung für Akustik DAGA, Nürnberg, 16. - 19. März 2015.

[181]
Illg, J., Lutz, Th., Krämer, E.: Aeroacoustic Simulation of an Airfoil in Turbulent Inflow . Proc. 6 th International Conference on Wind Turbine Noise, Glasgow, 20.-23. April 2015.

[182]
Kowarsch, U., Lippert, D., Schneider, S., Keßler, M., Krämer, E.: Aeroacoustic Simulation of an EC145T2 Rotor in Descent Flight. AHS International. 71 st Annual Forum and Technology Display. Virginia Beach, USA, May 5-7, 2015.

[183]
Wolf, A., Lutz, Th., Würz, W., Krämer, E., Stalnov, O., Seifert, A.: Trailing Edge Noise Reduction of Wind Turbine Blades by Active Flow Control. Wind Energy, Volume 18, Issue 5, pp. 909-923, May 2015, doi: 10.1002/we.1737.

[184]
Mayer, R., Lutz, Th., Krämer, E.: NUMERICAL OPTIMIZATION OF BUFFET ALLEVIATING THREE-DIMENSIONAL SHOCK CONTROL BUMPS. 6th European Conference for Aeronautics and Space Sciences, 29 June - 3 July 2015, Kraków (Poland).

[185]
Wurst, M., Keßler, M., Krämer, E.: A high-order Discontinuous Galerkin Chimera method for laminar and turbulent flows. Computers and Fluids 10/2015; DOI: 10.1016/j.compfluid.2015.08.013

[186]
Fischer, A., Lutz, Th., Krämer, E., Cordes, U., Hufnagel, K., Tropea, C.: Experimental and Numerical Generation of Turbulent Inflow Conditions for Wind Turbine Airfoils. 12 th German Wind Energy Conference, DEWEK 2015, Bremen, 19./20. Mai 2015.

[187]
Lutz, Th., Bekiropoulos, D., Illg, J., Würz, W., Dembowski, J., Krämer, E: RANS Based Prediction of the Airfoil Turbulent Boundary Layer-Trailing Edge Interaction Noise for Mildly Separated Flow Conditions. 12 th German Wind Energy Conference, DEWEK 2015, Bremen, 19./20. Mai 2015.

[188]
Kim, Y., Weihing, P., Lutz, Th.: An Accurate Wind Resource Assessment in Complex Terrain Using Numerical Simulations. 12 th German Wind Energy Conference, DEWEK 2015, Bremen, 19./20. Mai 2015.

[189]
Bangga, G., Lutz, Th., Krämer, E.: Numerical Investigation of Unsteady Aerodynamic effects on thick Flatback Airfoils. 12 th German Wind Energy Conference, DEWEK 2015, Bremen, 19./20. Mai 2015.

[190]
Zimmermann, D.-M., Waldmann, A., Lutz, Th., Krämer, E.: Development of Flow Structures in the Near-field Wake Region of the Common Research Model . 5 th CEAS Air & Space Conference, Delft, September 2015

[191]
Kowarsch, U., Öhrle, C., Schneider, S., Keßler, M., Krämer, E.: Aeroacoustic Simulation of a Complete EC145T2 Helicopter in Descent Flight. 41 st European Rotorcraft Forum, München, 1.-4. September 2015.

[192]
Hoffrogge, C., Kraus, B., Yao, L., Passeck, S., Zimmermann, D.-M., Jost, E., Krämer, E.: Ein mobiler Flachwasserkanal zu Visualisierungszwecken. Deutscher Luft- und Raumfahrtkongress, -24. September 2015, Rostock, Germany.

[193]
Bangga, G., Lutz, Th., Krämer, E.: An examination of rotational effects on large wind turbine blades. 11 th EAWE PhD Seminar on Wind Energy in Europe. Stuttgart, 23.-25. September 2015.

[194]
Fischer, T. Lutz, E. Krämer: Numerical investigations of an airfoil in the wake of a slotted cylinder. 11 th EAWE PhD Seminar on Wind Energy in Europe. Stuttgart, 23.-25. September 2015.

[195]
Jost, T. Lutz, E. Krämer: Steady and unsteady CFD power curve simulation of generic 10 MW turbines. 11 th EAWE PhD Seminar on Wind Energy in Europe. Stuttgart, 23.-25. September 2015.

[196]
Lutz, Th., Arnold, B., Bekiropoulos, D., Illg, J., Krämer, E., Wolf, A., Hann, R., Kamruzzaman, M.: Prediction of Flow-Induced Noise Sources of Wind Turbines and Application Examples. J. of aeroacoustics, Vol. 14, number 5&6, p. 675-714, 2015.

[197]
Kamruzzaman, M., Bekiropoulos, D., Lutz, Th., Würz, W., Krämer, E.: A semi-empirical surface pressure spectrum model for airfoil trailing-edge noise prediction. J. of aeroacoustics, Vol. 14, number 5&6, p. 833-882, 2015.

[198]
Krämer, E.: Status and Future of High-Fidelity Prediction Methods for Rotorcraft Aeromechanics. 10 th AIRTEC 2015, Munich, 3-5 November 2015 (invited keynote lecture).

[199]
Jost, E., Lutz, Th., Krämer, E.: Numerische Untersuchung einer 10 MW Windenergieanlage mit elastischen Hinterkantenklappen. Präsentation am STAB Workshop, Göttingen, 10.-11. November 2015

[200]
Waldmann, A., Gansel, P., Lutz, Th., Krämer, E.: Unsteady Wake of the NASA Common Research Modell in Low-Speed Stall. J of Aircraft, Vol.1, No. 1, 2016 (??)

[201]
Dillmann, A., Heller, G., Krämer, E., Wagner, C., Breitsamter, Chr. (Hrsg.): Notes on Numerical Fluid Mechanics and Multidiscipinary Design 124. New Results in Numerical and Experimental Fluid Mechanics X - Contributions to the 19 th STAB/DGLR Symposium, Munich, Germany, 2014. Springer-Verlag 2016(?), ISBN: …

[202]
Wawrzinek, K., Lutz, Th., Krämer, E.: Numerical studies of turbulent flow influence on a two-element airfoil. In: Notes on Numerical Fluid Mechanics and Multidiscipinary Design 07/2016; 131: 111-135. DOI: 10.1007/978-3-319-21127-5_7.

[203]
Mayer, R., Zimmermann, D.-M., Wawrzinek, K., Lutz, Th., Krämer, E.: Numerical Study of Three-Dimensional Shock Control Bump Flank Effects on Buffet Behavior. In: Nagel, W.E., Kröner, D.H., Resch, M.M. (eds.): High Performance Computing in Science and Engineering ´15, DOI 10.1007/978-3-319-???, Springer Verlag Berlin Heidelberg 201?, ???.

[204]
C. Schulz, A. Fischer, P. Weihing, T. Lutz and E. Krämer: Evaluation and Control of Wind Turbines under Different Operation Conditions by means of CFD. In: Nagel, W.E., Kröner, D.H., Resch, M.M. (eds.): High Performance Computing in Science and Engineering ´15, DOI 10.1007/978-3-319-???, Springer Verlag Berlin Heidelberg 201?, ???