Dieses Bild zeigt  Werner Würz

Herr Dr.-Ing.

Werner Würz

Leiter Laminarwindkanal
Institut für Aerodynamik und Gasdynamik

Kontakt

0049 711 685-63470
0049 711 685-60211

Pfaffenwaldring 21
70569 Stuttgart
Deutschland

Experimentelle Sichtbarmachung von Strömungen
Sommersemester, Mi 11:30h - 12:15h

Strömungsversuchs- und Messtechnik
Wintersemester, Di 11:30h - 13:00h

Persönliche Daten

Geburtsdatum
1959

Citizenship
Adresse
Institut für Aerodynamik und Gasdynamik
Pfaffenwaldring 21
70550 Stuttgart

Telefon
+49 (0711) 685-63470 

Fax
+49 (0711) 685-60211 

Internet home page
http://www.iag.uni-stuttgart.de/laminarwindkanal


Education, Academic Degrees and Titles 

  • 1978-1986
    Undergraduate study, University of Stuttgart,
    'Aerospace Engineering'
    1986
    Dipl.-Ing., University of Stuttgart
    Thesis title: 'Design, construction and test of an experimental set-up for towing tests with wind turbine models'
  • 1995
    Dr.-Ing., University of Stuttgart, Institute of Aerodynamics and Gas Dynamics (IAG),
    Dissertation title: 'Hot wire measurements with respect to laminar-turbulent transition in attached and separated boundary layers and comparison to Linear Stability Theory and empirical transition criteria'

Employment History

1986-1995
Junior Research Scientist at IAG, Laminar Wind Tunnel, Stuttgart

1995-present
Leading Research Scientist at IAG, Head of the section 'Laminar Wind Tunnel'

Professional Activities
Current Fields of Interest

Key words: wind tunnel testing, viscous fluid mechanics, boundary layer flows, subsonic speeds, laminar flow receptivity, laminar flow instability, laminar-turbulent transition, airfoil design, aero-acoustics
Experimental studies of various stages of boundary layer transition. Receptivity characteristics of 2D boundary layers (with and without pressure gradients) to 3D external perturbations (roughness, vibrations, acoustics, turbulence, etc.). Stability characteristics of 2D boundary layers with respect to traveling 2D and 3D instability modes. Weakly nonlinear interactions of instability modes in laminar boundary layers.
Boundary layer induced noise on airfoils, development of aero-acoustic measurement procedures for non anechoic wind tunnels. Investigation of turbulence properties relevant for acoustic radiation.
Airfoil design for various applications, standard wind tunnel testing for third party companies.

Teaching Experience

  • Lecture on "Flow Visualization" at Stuttgart University, 2000 - present
  • Lecture on "Wind Tunnel Measurement Technique" at Stuttgart University, 2006 - present
  • Research advisor of several graduate and 2 postgraduate students at Stuttgart University
  • Althaus D., Würz W.: Experimental Investigation of Laminar Separation Bubbles , Gersten K. (Ed.), Physics of Separated Flows - Numerical, Experimental and Theoretical Aspects, NNFM, Vol.40, Vieweg-Verlag Braunschweig, 1993, DOI: 1007/978-3-663-13986-7_13
  • Würz W., Wagner S.: Experimental Investigations of Transition Development in Attached Boundary Layers and Laminar Separation Bubbles , Körner H., Hilbig R. (Eds.), New Results in Numerical and Experimental Fluid Mechanics, NNFM, Vol.60, Vieweg-Verlag Braunschweig, 1997, DOI: 1007/978-3-322-86573-1_52
  • Würz W., Herr S., Wagner S., Kachanov Y.S.: Experimental Investigations on 3D Acoustic Receptivity of a Laminar Boundary Layer in the Presence of Surface Non-Uniformities , Nitsche W., Heinemann H.J., Hilbig R. (Eds.), New Results in Numerical and Experimental Fluid Mechanics II, NNFM, Vol.72, Vieweg-Verlag Wiesbaden, 1999, DOI: 1007/978-3-663-10901-3_68
  • Würz W., Herr S., Wörner A., Rist U., Wagner S., Kachanov Y.S.: Study of 3D Wall Roughness Acoustic Receptivity on an Airfoil , Fasel H., Saric W. (Eds.), Laminar-Turbulent Transition, proc. of the IUTAM Symposium Sedona, Az./USA, September 13-17, 1999, pp. 91-96, Springer Verlag Berlin, 2000, DOI: 1007/978-3-662-03997-7_11
  • Lutz Th., Würz W., Wagner S.: Numerical Optimization and Wind-Tunnel Testing of Low Reynolds-Number Airfoils , Conference on Fixed, Flapping and Rotary Wing Vehicles at very Low Reynolds Numbers, Notre Dame, Indiana, 5.-7.6.2000, published in: Thomas J. Mueller (ed.): Fixed and Flapping Wing Aerodynamics for Micro Air Vehicle Applications, Vol. 195, AIAA 2001, DOI: 2514/5.9781600866654.0169.0190
  • Herr S., Wörner A., Würz W., Rist U., Wagner S.: Experimental/Numerical Investigation of the Influence of a Pressure Gradient on Acoustic Roughness Receptivity in the Boundary Layer of a 2D Airfoil , 12. AGSTAB Fachsymposium Stuttgart 2000, Wagner S., Rist U., Heinemann H.J., Hilbig H. (Eds.), New Results in Numerical and Experimental Fluid Mechanics III, NNFM, Vol.77, Springer-Verlag Berlin, 2002, , DOI : 1007/978-3-540-45466-3
  • Herr S., Würz W., Wagner S.: Experimental investigation of local vortex roughness receptivity of a boundary layer on an airfoil , 13.DGLR/AG-STAB Fach-Symposium München, 12.-14.11.2002, New Results in Numerical and Experimental Fluid Mechanics III, NNFM, Springer-Verlag Berlin, DOI: 1007/978-3-540-39604-8
  • Würz W., Herr S., Wörner A., Rist U., Wagner S., Kachanov Y.S.: Three-Dimensional Acoustic-Roughness Receptivity of a Boundary Layer on an Airfoil. Experiment and DNS , Journal of Fluid Mechanics, vol.468, pp1-29, 2003, DOI: 10.1017/S0022112002003348
  • Herr S., Würz W., Wörner A., Rist U., Wagner S., Ivanov A., Kachanov Y.S.: Systematic investigations of 3D acoustic receptivity with respect to steady and unsteady disturbances. Experiment and DNS , Wagner S., Kloker M., Rist U.(Eds.), Recent Results in Laminar-Turbulent Transition - Selected Numerical and Experimental Contributions from the DFG-Verbundschwerpunktprogramm "Transition" in Germany, NNFM, Vol.86, pp.75-90, Springer-Verlag Heidelberg, 2003, DOI: 10.1007/978-3-540-45060-3_7
  • Ivanov A.V., Würz W., Herr S., Wagner S., Kachanov Y.S.: Experimental investigation of 3D acoustic receptivity of an airfoil boundary layer due to surface vibrations , European Journal of Mechanics -B/Fluids, 24, pp621-641, 2005, DOI: 1016/j.euromechflu.2004.12.004
  • de Paula I.B., Würz W., Medeiros M.A.F.: Experimental Study of a Tollmien-Schlichting wave interacting with a shallow 3-D roughness element , Journal of Turbulence Volume 9 N 7 (2008) pp.1-23, DOI: 10.1080/14685240701790706
  • de Paula I.B., Würz W., Medeiros M.A.F.: The effect of a single three-dimensional roughness element on the boundary layer transition . In: Schlatter P., Henningson D. (eds) Seventh IUTAM Symposium on Laminar-Turbulent Transition. IUTAM Bookseries, vol 18. Springer, Dordrecht. 2010, DOI: 10.1007/978-90-481-3723-7_96
  • Schreyer A.M., Würz W., Krämer E., Talamel1 A., Alfredsson H.: Experimental Flow Studies on Separation and Reattachment in the Vicinity of Sharp, Wedge Shaped Leading Edges at Low Reynolds Numbers , A. Dillmann et al. (Eds.): Numerical & Experimental Fluid Mechanics VII, NNFM 112, pp. 273- 280, Springer-Verlag Berlin Heidelberg 2010, DOI: 10.1007/978-3-642-14243-7_34
  • Cerretelli C., Gharaibah E., Toplack G., Gupta A., Würz W.: Unsteady Separation Control for Wind Turbine Applications at Full Scale Reynolds Number , AIAA JOURNAL Vol. 48, No. 7, July 2010, DOI: 10.2514/6.2009-380
  • Herrig A., Kamruzzaman M., Würz W., Wagner S.: Broadband Airfoil Trailing-Edge Noise Prediction from Measured Surface Pressures and Spanwise Length Scales , Int. Journ. of Aeroacoustics, 12(1-2), pp. 53-82 June 2013, DOI: 10.1260/1475-472X.12.1-2.53
  • Kamruzzaman M., Herrig A., Lutz T., Würz W., Krämer E., Wagner S.: Comprehensive Evaluation and Assessment of Trailing Edge Noise Prediction Based on Dedicated Measurements , Noise Control Engineering Journal (NCEJ), 59(1), pp. 54-67;January 2011, DOI: 10.3397/1.3531794
  • Würz W., Sartorius D., Kloker M., Borodulin V. I., Kachanov Y. S., Smorodsky B.V.: Nonlinear instabilities of a non-self-similar boundary layer on an airfoil: experiments, DNS, and theory , European Journal of Mechanics / B Fluids 31(2012)102-128, DOI: 1016/j.euromechflu.2011.07.006
  • Würz W., Sartorius D., Kloker M., Borodulin V. I., Kachanov Y. S., Smorodsky B.V.: Detuned resonances of Tollmien-Schlichting waves in an airfoil boundary layer: Experiment, theory, and direct numerical simulation , Phys. Fluids 24, 094103 (2012), DOI: 10.1063/1.4751246
  • Plogmann B., Würz W. and Krämer E.: Interaction of a cylindrical roughness element and a two-dimensional TS-Wave , in: New results in numerical and experimental fluid mechanics IX, Contributions to the 18th STAB/DGLR symposium, Stuttgart 2012, NNFM 124, DOI: 10.1007/978-3-319-03158-3_17
  • Plogmann B., Würz W., Krämer E.: Interaction of a Laminar Boundary Layer with a Cylindrical Roughness Element near an Airfoil Leading Edge , AIAA Paper 2012-3077, 42nd AIAA Fluid Dynamics Conference and Exhibit, New Orleans, Louisiana, June 25-28, 2012, DOI :2514/6.2012-3077
  • Plogmann B., Herrig A. Würz W.: Experimental investigations of a trailing edge noise feedback mechanism on a NACA 0012 airfoil , Experiments in Fluids, Volume 54, Issue 5, 2013, DOI: 10.1007/s00348-013-1480-z
  • Plogmann B., Würz W.: Aeroacoustic measurements on a NACA 0012 applying the Coherent Particle Velocity method , Experiments in Fluids, Volume 54, Issue 7, 2013, DOI: 10.1007/s00348-013-1556-9
  • de Paula I.B., Würz W., Krämer E., Borodulin V.I., Kachanov Y.S.: Weakly nonlinear stages of boundary-layer transition initiated by modulated Tollmien-Schlichting waves , J. Fluid Mech., Volume 732, pp. 571-615, 2013, DOI: 10.1017/jfm.2013.420
  • Herrig A., Kamruzzaman M., Würz W., Wagner S.: Broadband Airfoil Trailing-edge Noise Prediction from Measured Surface Pressures and Spanwise Length Scales , Int. Journal of Aeroacoustics 12, No.1+2, pp.53-82, 2013, DOI: 10.1260/1475-472X.12.1-2.53
  • 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, DOI: 10.1017/jfm.2014.499
  • Plogmann B., Würz W., Krämer E.: Interaction of a Cylindrical Roughness Element and a Two-Dimensional TS-Wave , New Results of Numerical and Experimental Fluid Mechanics IX, pp.163-172, 2014, DOI: 1007/978-3-319-03158-3
  • Plogmann B., Würz W., Krämer E.: Transitional flow in the wake of a moderate to large height cylindrical roughness element, Experiments in Fluids, Volume 56, Issue 12, 2015, DOI: 10.1007/s00348-015-2069-5
  • Plogmann B., Würz W., Krämer E.: Nonlinear Disturbance Evolution Downstream of a Medium Height Roughness Element , In: Dillmann A., Heller G., Krämer E., Wagner C., Breitsamter C. (eds) New Results in Numerical and Experimental Fluid Mechanics X. Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol 132. Springer, Cham., DOI: 10.1007/978-3-319-27279-5_22
  • Werner M., Würz W., Krämer E.: Experimental investigation of an aeroacoustic feedback mechanism on a two-dimensional side mirror model , Journal of Sound and Vibration Vol. 387, pp.79–95, 2017, DOI: 10.1016/j.jsv.2016.10.012
  • Werner M., Würz W., Krämer E.: Experimental Investigations of Tonal Noise on a Vehicle Side Mirror , New Results of Numerical and Experimental Fluid Mechanics X, pp.777-787, 2016, DOI: 10.1007/978-3-319-27279-5_68
  • Werner M., Würz W., Krämer E.: Experimental Investigation of the Tonal Self-Noise Emission of a Vehicle Side Mirror , AIAA Journal, Vol. 55, No. 5, pp. 1673-1680, 2017, DOI: 10.2514/ 1 . J055513
  • de Paula I.B., Würz W., Mendonca M.T., Medeiros M.A.F.: Interaction of instability waves and a three-dimensional roughness element in a boundary layer , J. Fluid Mech., vol. 824, pp. 624-660, 2017, DOI: 10.1017/jfm.2017.362
  • Lemarechal J., Costantini M., Klein C., Kloker M.J., Würz W., Kurz H.B.E., Schaber S.:
    Investigation of Stationary-Crossflow-Instability Induced Transition with Temperature-Sensitive-Paint,
    5th International Conference on Experimental Fluid Mechanics, Munich, 2.-4.7.2018, in: Experimental Thermal and Fluid Science, Elsevier, 2019, DOI: 10.1016/j.expthermflusci.2019.109848, 06/2019
  • Würz W., Sartorius D., Borodulin V.I., Kachanov Y.S.: Weakly-nonlinear interactions of broadband Tollmien-Schlichting waves in a non-self-similar boundary layer on an airfoil , European Journal of Mechanics -B/Fluids, 77, 2019, DOI: 10.1016/j.euromechflu.2019.03.002
  • Althaus D., Würz W.: Wind Tunnel Tests of the SM701 Airfoil and the UAG 88-143/20 Airfoil ,
    Technical Soaring, Vol.17 No.1, pp21-32, 1993
  • Würz W., Wagner S.: Experimentelle Untersuchungen zur Störungsanfachung in anliegenden Grenzschichten und Ablöseblasen , 7.AG-STAB Workshop, DLR-Göttingen, 14.-16.11.1995
  • Würz W., Wagner S.: Experimentelle Untersuchungen zur Umschlagsentwicklung in anliegenden Grenzschichten und Ablöseblasen , 10. DGLR/AG-STAB Fach-Symposium, Braunschweig, 11.-13.11.1996
  • Funk P.,Würz W.: Experimentelle Untersuchungen zur Widerstandsverminderung durch Riblets am Tragflügelprofil eines Segelflugzeugs der Standardklasse , 10. Symposium für Segelflugzeugentwicklung, Stuttgart, 18.-19.11.1996
  • Würz W., Wagner S.: Hot-Wire Measurements and Transition Prediction in Boundary Layers with Adverse Pressure Gradient , Proceedings of the Colloquium on Fluid Dynamics `97, Prague 21.-23.10.1997
  • Würz W.: Entwurf und Vermessung von 2 Profilen für Segelflugzeuge der Standardklasse , Symposium für Segelflugzeugentwicklung 1997, Stuttgart, 11.-12.11.1997
  • Würz W., Herr S., Wagner S.: Experimentelle Untersuchung der Rezeptivität zweidimensionaler Grenzschichten ,
    AG-STAB Workshop, Göttingen, 11.-13.11.1997
  • Wagner S., Würz W., Jäger G.: E xperimentelle Untersuchung der Leitwerk-Propeller Kombination für das menschtragende Solarflugzeug Icaré 2 , AG-STAB Jahresbericht 1997
  • Würz W., Herr S., Wagner S.: Experimental Investigation on Receptivity of two-dimensional Boundary Layers due to Surface Non-Uniformitie s, Proceedings of the Colloquium on Fluid Dynamics `98, Prague 20.-22.10.1998
  • Würz W., Herr S., Wagner S., Kachanov Y.S.: Experimentelle Untersuchungen zur akustischen Rezeptivität einer Einzelrauhigkeit in einer 2-dimensionalen Grenzschicht , 11. DGLR/AG-STAB Fach-Symposium, Berlin, 10.-12.11.1998
  • Eppler R., Würz W.: Design Philosophies for Sailplane Airfoils with Flaps , OSTIV-Congress, Bayreuth, 6.8.-10.8.1999
  • Würz W., Herr S., Wörner A., Rist U., Kachanov Y.S.: 3D acoustic receptivity of boundary layer on an airfoil in presence of localized surface non-uniformities. Experiment and DNS , In: Actual Problems of Physical Hydroaerodynamics. [Transactions of International Workshop "Outcomes and Perspectives of Cooperation of the European and Siberian Scientists in Field of Physical Hydromechanics" (Part I) and of International Conference on Stability and Turbulence of Homogeneous and Heterogeneous Flows (Part II)], pp. 1-64 - 1-65. Novosibirsk: Institute of Thermophysics, 1999
  • Herr S., Würz W., Wagner S.: Experimentelle Untersuchungen zur akustischen Rezeptivität einer 2-dimensionalen Grenzschicht unter dem Einfluss eines Druckgradienten , 9. AG-STAB Workshop, Göttingen, 9.-11.11.1999
  • Herr S., Wörner A., Würz W., Rist U., Wagner S.: Experimentelle/Numerische Untersuchung zum Einfluss des Druckgradienten auf die akustische Rezeptivität einer Einzelrauhigkeit in einer 2-dimensionalen Profilgrenzschicht , 12. DGLR/AG-STAB Fach-Symposium Stuttgart, 15.-17.11.2000
  • Würz W.: Rezeptivität und Transition, Grundlagenuntersuchungen am Laminarwindkanal , 24. Segelflugsymposium, Stuttgart, 20.u.21.11.2000
  • Würz W., Herr S., Wörner A., Rist U., Wagner S., Kachanov Y.S.: Experimental and Numerical Investigation of 3D Acoustic Receptivity due to Localized Wall Roughness ; Proceedings of the ICMAR 2000, Novosibirsk, 9.-15.7.2000
  • Herr S., Würz W., Wörner A., Rist U., Wagner S., Kachanov Y.S.: Experimental and Numerical Investigation of 3D Wall Roughness Acoustic Receptivity on an Airfoil ; ICTAM 2000, Chicago, 27.8.-2.9.2000
  • Wörner A., Rist U., Herr S., Würz W., Wagner S., Kachanov Y.S.: Study of the Acoustic Receptivity of a Blasius Boundary Layer in the Presence of a Surface Non-Uniformity ; ECCOMAS 2000, Barcelona, 11.-14.9.2000
  • Lang M., Marxen O., Rist U., Wagner S., Würz W.: LDA-Messungen zur Transition in einer laminaren Ablöseblase; Lasermethoden in der Strömungsmeßtechnik , 8. Fachtagung der Gala, Freising-Weihenstephan,12.-14.9.2000
  • Ivanov A.V., Würz W., Herr S., Wagner S.: Experimental Investigation of 3-D Acoustic Receptivity due to a Surface Vibration on an Airfoil ; EUROMECH Colloquium 423 'Boundary-Layer Transition in Aerodynamics‘, Stuttgart, 2.-4.4.2001
  • Herr S., Würz W.,Wagner S.: Experimentelle Untersuchungen zur Charakterisierung des dominanten Störspektrums in der Anströmung anhand der Rezeptivität einer Oberflächenstörung an einem 2-dimensionalen Tragflügelprofil , 10. AG STAB-Workshop, Göttingen, 14.-15.November 2001
  • Würz W., Herr S., Wagner S., Kachanov Y.S.: A First Experimental Approach to the Distributed 3D-Vortex Receptivity of a Boundary Layer on an Airfoil , Proceedings of the ICMAR 2002, Novosibirsk, 1.-7.7.2002
  • Ivanov A.V., Würz W., Herr S., Wagner S., Kachanov Y.S.: Experimental Study of Essentially Non-Stationary Acoustic Receptivity of a Boundary Layer on an Airfoil due to Surface Non-Uniformities ; Proceedings of the ICMAR 2002, Novosibirsk, 1.-7.7.2002
  • Sartorius D., Würz W., Wagner S.: Auslegung eines Membranaktuators unter Berücksichtigung der Stabilitäts- und Rezeptivitätseigenschaften der Grenzschicht , 11. AG STAB-Workshop, Göttingen, 4.-5.November 2003
  • Guidati S., Herrig A., Ostertag J., Würz W., Wagner S.: Numerical Simulation and Measurement of Boundary-Layer Induced Noise on Wing Sections , 4th Aeroacoustics Workshop, Aachen, 26.-27. February 2004
  • Würz W., Sartorius D., Wagner S., Borodulin V.I., Kachanov Y.S.: Experimental study of weakly nonlinear interactions of instability waves in a non self-similar boundary layer on an airfoil, Part I: Base flow and initially tuned resonances , ICMAR 2004, Novosibirsk, 28.6.-2.7.2004
  • Sartorius D., Würz W., Wagner S., Borodulin V.I., Kachanov Y.S.: Experimental study of weakly nonlinear interactions of instability waves in a non self-similar boundary layer on an airfoil, Part II: Influence of frequency and spanwise-wavenumber detunings , ICMAR 2004, Novosibirsk, 28.6.-2.7.2004
  • Würz W., Guidati S., Herrig A., Luth Th., Wagner S.: Measurement of trailing edge noise by a coherent particle velocity method , ICMAR 2004, Novosibirsk, 28.6.-2.7.2004
  • Sartorius D., Würz W., Wagner S., Borodulin V.I., Kachanov Y.S.: Resonant Interactions of 3D Instability Waves in an Airfoil Boundary Layer for Harmonic and Broadband Perturbations , XXI. International Congress of Theoretical and Applied Mechanics (ICTAM), Warsaw, 15.-21.8.2004
  • Lutz Th., Würz W., Herrig A., Braun K., Wagner S.: Numerical Optimization of Silent Airfoil Sections , Deutsche Windenergie-Konferenz 2004, Wilhelmshaven, 20.-21.10.04
  • Sartorius D., Würz W., Ries T., Kloker M., Wagner S., Borodulin V.I., Kachanov Y.S.: Experimental Study of Resonant Interactions of Instability Waves in an Airfoil Boundary Layer , IUTAM Symposium on Laminar-Turbulent Transition, 13.-17. December 2004, Bangalore, India
  • Herrig, W. Würz, Th. Lutz, K. Braun, E. Krämer and S. Oerlemans: Trailing-Edge Noise Measurements of Wind Turbine Airfoils in Open and Closed Test Section Wind Tunnels , Windturbinenoise2005, Berlin
  • Würz W., Sartorius D., Kloker M., Ries T., Wagner S., Smorodsky B., Borodulin V.I., Kachanov Y.S.: Experimental, numerical and theoretical investigation of weakly nonlinear stages of transition in a non self-similar boundary layer , 12. AG STAB-Workshop, Göttingen, 8.-9.November 2005
  • Herrig A., Würz W., Krämer E.: Akustisches Messverfahren für den Einsatz in Windkanälen mit hohem Hintergrundstörpegel , 12. AG STAB-Workshop, Göttingen, 8.-9.November 2005
  • de Paula I.B., de Medeiros M.A.F., Würz W., Mendonça M.T.: Fundamental resonance induced by a 3D shallow roughness , 58th Annual Meeting of the Division of Fluid Mechanics, American Physical Society, Chicago, 20.-22. November 2005
  • Herrig A., Würz W., Lutz Th., Krämer E.: Trailing-Edge Noise Measurements using a Hot-Wire Based Coherent Particle Velocity Method , 24th AIAA Applied Aerodynamics Conference, San Francisco,5.-8.June 2006
  • Lutz Th., Herrig A., Würz W., Kamruzzaman M., Krämer E.: Design and Wind-Tunnel Verification of Low-Noise Airfoils for Wind Turbines , 24th AIAA Applied Aerodynamics Conference, San Francisco, 5.-8. June 2006
  • de Paula I. B., de Medeiros M. A. F., Würz W., Mendonça M. T.: Experimental study on the boundary layer transition induced by a shallow 3D roughness element , 6th Euromech Fluid Mechanics Conference, Stockholm, 26-30 June 2006
  • 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.: New Results from the European SIROCCO Project: Silent Rotors by Acoustic Optimization , DEWEK 2006, 8th German Wind Energy Conference, Bremen, 22.-23. November 2006
  • Kobiela B., Lerch A., Herrig A., Würz W.: Grenz-N-Faktor Bestimmung bei Reynoldszahlen < 600.000 - Ein neuer Ansatz für kombinierte Freiflug- und Windkanalmessungen , Segelflug-Symposium, Darmstadt, 23.-24. November 2006
  • Herrig A., Würz W., Lutz Th., Krämer E., Wagner S.: Trailing-Edge Noise Measurements of a NACA 0012 Airfoil using the Coherent Particle Velocity Method , Conference on Methods of Aerophysical Research ICMAR, 05.-10.Feb. 2007
  • Herrig A., Würz W., Lutz Th., Krämer E., Wagner S.: Measurement of Airfoil Trailing Edge Noise with the Coherent Particle Velocity Method , 33rd German Annual Conference on Acoustic (DAGA), Stuttgart, 19.-22.März 2007
  • Schepers J.G., Curvers T., Oerlemans S., Braun K., Lutz Th., Herrig A., Würz W., Matesanz A., Fisher M., Koegler K., Maeder T.: Sirocco: Silent Rotors by Acoustic Optimisation , Second International Meeting on Wind Turbine Noise, Lyon, 20.-21.September 2007
  • Miller A., Müller M., Neumann S.O., Würz W.: Numerische Untersuchung der aerodynamischen Kräfte an einem Flügelelement mit unterbrochenem Hinterkantenschlitz , ANSYS Conference & 25th CADFEM Users' Meeting 2007, Dresden, 21.-23. November 2007
  • Herrig A., Würz W., Krämer E., Wagner S.: Hitzdraht-basierte Messungen von Hinterkantenlärm an NACA-0012-Profilen , AG STAB Workshop, Göttingen, 14.-15. Nov.2007
  • Herrig A., Würz W., Krämer E., Wagner S.: New CPV-Results of NACA 0012 Trailing-Edge Noise , Int. Conference on Methods of Aerophysical Research ICMAR , 30.June-06.July 2008
  • de Paula I.B., Sartorius D., Krämer E., Kachanov Y.S.: Experimental Study of Broadband Resonant Interactions in an Non-Self Similar Boundary Layer of an Airfoil , Int. Conference on Methods of Aerophysical Research ICMAR , 30.June-06.July 2008
  • Herrig A., Würz W., Krämer E., Wagner S.: Trailing-Edge Noise Measurements on NACA 0012 Airfoils Using the Coherent Particle Velocity Method , 15th International Congress of Sound and Vibration, Daejon, Korea, 06.-10.July 2008
  • Würz W., Sartorius D., Kloker M., Wagner S., Smorodsky B., Borodulin V.I., Kachanov Y.S.: Weakly nonlinear stages of transition in an airfoil boundary layer. A combined experimental, numerical and theoretical investigation , Deutscher Luft- und Raumfahrtkongress der DGLR, Darmstadt, 23.-25. September 2008
  • Herrig A., Würz W.: Untersuchungen zur atmosphärischen Turbulenz in Bodennähe , 32. Symposium für Segelflugzeugentwicklung, Gersfeld, 20.-21. 11.2008
  • Käser, K., Ruppert R., Würz W.: Untersuchungen zur Aerodynamik bespannter Tragflügel am Beispiel des Archaeopteryx , 32. Symposium für Segelflugzeugentwicklung, Gersfeld, 20.-21. 11.2008
  • Cerretelli C., Gharaibah E., Toplack G., Gupta A., Würz W.: Unsteady Separation Control for Wind Turbine Applications at Full Scale Reynolds Number , 47th AIAA Aerospace Sciences Meeting, AIAA 2009-380, Orlando, 5.-8. January 2009
  • Kamruzzaman M., Lutz Th., Ivanov A., Herrig A., Würz W., Krämer E.: Evaluation of Measured Anisotropic Turbulence Two-point Correlation Data for the Accurate Prediction of the Turbulence Noise Sources , 15th AIAA/CEAS Aeroacoustics Conference, Miami, USA, 11-13 May, 2009
  • Kamruzzaman M., Herrig A., Lutz Th., Würz W., Kraemer E., Wagner S.: Comprehensive Evaluation and Assessment of Trailing Edge Noise Prediction Based on Dedicated Measurements , 3rd Conference on Wind Turbine Noise, 17-19 June, Aalborg, Denmark, 2009
  • de Paula I. B., Würz W., Krämer E., Borodulin V. I., Kachanov Y. S.: Experimental study of resonant interaction of modulated waves in a non self-similar boundary layer , 7th IUTAM Symposium on Laminar-Turbulent Transition, KTH Stockholm. 22-26.06.2009
  • de Paula I.B., Würz W., Medeiros M.A.F.: The Effect of a single three-dimensional roughness element on the boundary layer transition , 7th IUTAM Symposium on Laminar-Turbulent Transition, KTH Stockholm. 22-26.06.2009
  • de Paula, I.B., Würz, W., Krämer, E., Borodulin, V.I., Kachanov, Y.S.: Experimental study of weakly non-linear interactions of Tollmien-Schlichting waves in a non self-similar boundary layer , 14th STAB Workshop, Göttingen. -12. November 2009
  • Kamruzzaman M., Wolf A., Bekiropoulos D., Lutz Th., Herrig A., Würz W., Krämer E.: Study of Turbulent Boundary Layer Wall Pressure Fluctuations Spectrum Models for Trailing-edge Noise Prediction , 15th Int. Conf. on the Methods of Aerophysical Research (ICMAR 2010), Akademgorodok, Novosibirsk Russia, 1-6 Nov., 2010
  • de Paula, I.B., Würz, W., Krämer, E., Borodulin, V.I., Kachanov, Y.S.: Production of Seeds for Subharmonic Resonance in the Evolution of Modulated T-S waves on an Airfoil Boundary Layer , 8th Euromech Fluid Mechanics Conference. September 13 - 16, 2010. Bad-Reichenhall, Germany
  • 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 , XV International Conference on Methods of Aerophysical Research. November 1 - 6, 2010. Novosibirsk: ITAM SB RAS 2010
  • Plogmann B., Würz W., Krämer E.: Interaction of a 3D roughness element with a laminar boundary layer near an airfoil leading edge , AG STAB Workshop, Göttingen, 09.-10.11.2011
  • Plogmann B., Würz W., Krämer E.: Interaction of a Cylindrical Roughness Element and a Two-Dimensional TS-Wave 18, DGLR-Symposium of STAB, Stuttgart, Germany, November 6-7, 2012
  • Plogmann B. Würz W.: The Influence of a Cylindrical Roughness Element on a Perturbed Laminar Boundary Layer , AIAA Paper 2013-3109, 43rd AIAA Fluid Dynamics Conference, San Diego, June 24-27, 2013, DOI: 2514/6.2013-3109
  • Plogmann B., Würz W., Krämer E.: The Influence of a Cylindrical Roughness Element on the Disturbance Evolution in a Perturbed Laminar Boundary Layer , 16. STAB-Workshop, Göttingen, November 12-13, 2013
  • Werner M., Würz W., Krämer E.: Experimental Investigations of Tonal Noise on Vehicle Side Mirrors , 16. STAB-Workshop, Göttingen, November 12-13, 2013
  • Plogmann B., Würz W., Krämer E.: Stability of a boundary layer flow in the wake of a medium roughness element , AIAA Paper 2014-2886, 44rth AIAA Fluid Dynamic Conference, Atlanta, June 16-20, 2014, DOI: 2514/6.2014-2886
  • Plogmann B., Würz W., Krämer E.: Nonlinear mode interactions in the wake of a medium height roughness element , 8th IUTAM Symposium on Laminar Turbulent Transition, Rio de Janeiro, September 8-12, 2014, in Procedia IUTAM, Vol. 14, 2015, pp.423-432, DOI: 1016/j.piutam.2015.03.070
  • Plogmann B., Würz W., Krämer E.: Nonlinear disturbance evolution downstream of a medium height roughness element , 19. STAB-Symposium, München, November 4-5, 2014
  • de Paula I.B., Würz W., Borodulin V.I., Kachanov Y.S.: Weakly-nonlinear interactions of modulated T-S waves in the boundary layer of an airfoil , Procedia IUTAM, 2015. Vol. 14. IUTAM_ABCM Symposium on Laminar Turbulent Transition / Eds.: M.A.F. Medeiros & J.R. Meneghinipp, pp. 433 – 437, DOI: 1016/j.piutam.2015.03.071
  • Werner M., Würz W., Krämer E.: Experimental Investigation of the Tonal Self-Noise Emission of a Vehicle Side Mirror , 22nd AIAA/CEAS Aeroacoustics Conference Lyon, France, 2016, DOI: 10.2514/6.2016-2753
  • Maughmer M.D., Coder J.G., Wannenmacher Ch., Würz W.: The Design of a New Racing Sailplane: A New Thermal Mix Model and the Role of Transitional CFD, of 17th AIAA Aviation Technology, Integration, and Operations Conference 2017, Denver, USA, June 2017 pp. 580-598
  • Romblad J., Ohno D., Nemitz T., Würz W., Krämer E.: Laminar to Turbulent Transition under unsteady Inflow Conditions: Wind Tunnel Experiments, 18th AG STAB-Workshop, Göttingen, 7.-8.11.2017
  • Würz W.: Grundlagenuntersuchungen und Messverfahren am Laminarwindkanal der Universität Stuttgart
    Technik-Kolloquium Regensburg, 23.5.2018
  • Romblad J., Ohno D., Nemitz T., Würz W., Krämer E.: Laminar to Turbulent Transition due to unsteady Inflow Conditions: Wind Tunnel Experiments at increased Turbulent Levels , Deutscher Luft- und Raumfahrtkongress 2018, Friedrichshafen, 04.09.-06.09.2018
  • Greiner M., Osso C., Würz W.: Turbulente Anströmbedingungen für laminare Profile: Messung von Turbulenzspektren im Segelflug , 42. Symposium für Segelflugzeugentwicklung, Darmstadt 21/22..11.2018
  • Petters V., Würz W., Scholz W., Axthelm J.: Anti-Stall-Assistenz-System , 42. Symposium für Segelflugzeugentwicklung, Darmstadt 21/22..11.2018
  • Romblad J., Ohno D., Guissart A., Würz W., Krämer E.: Wind Tunnel Experiments on Laminar to Turbulent Transition at Increased Turbulence Levels , IUTAM Transition Symposium, 2-6 September 2019 in London
  • Greiner, M., Würz, W.: Turbulent Inflow Conditions and Laminar Separation Bubbles: Inflight Measurements of Turbulent Spectra for Wind Tunnel Experiments , 19. Stab Workshop, 5.-6.11.2019, Göttingen
  • Petters V., Würz W.: Anti-Stall-Assistenz-System – Stand der Dinge , 43. Symposium für Segelflugzeug-entwicklung, Braunschweig 21/22..11.2019
  • Grant of the German Foundation for Basic Research (DFG): ' Experimental investigation of laminar separation bubbles ', AL 242/1-3, 1986 - 1988, (Participant in the project)
  • Grant of the German Foundation for Basic Research (DFG): ' Experimental investigation of the receptivity of two dimensional boundary layers ', Wa 424/16, 1996 - 2002, (Head of the project)
  • Grant of the 'Forschungsschwerpunktprogramm Baden Württemberg, ' Intelligenter Tragflügel für zukünftige Flugzeuggenerationen ', (2001-2003) (Participant in the project)
  • Grant of the European Commission: 'DATA, Design and Testing of Acoustically Optimized Airfoils for Wind Turbines' Non-Nuclear Energy Program, JOR3-CT98-0248, 1998 - 2001, (Participant in the project)
  • Grant of the German Foundation for Basic Research (DFG): 'Verbundvorhaben SWING, Numerische Aeroakustik für Verkehrsflugzeuge', Wa 424/17, 1997 - 2000, (Participant in the project)
  • Grant of the German Foundation for Basic Research (DFG):Verbundvorhaben SWING+, Numerische Aeroakustik für Verkehrsflugzeuge, Wa 424/18, 2000 - 2003 , (Participant in the project)
  • International grant of the German Foundation for Basic Research (DFG) together with the Russian Foundation of Basic Research (RFBR): ' Experimental, theoretical and numerical investigation of resonant interactions of TS-instabilities in a boundary layer with variable pressure gradient ', Wu 265/1-1, 2003 - 2005, (Head of the project from German side)
  • International grant of the European Commission: 'SIROCCO, Silent Rotors by Acoustic Optimisation', ENK5-CT-2002-00702, 2003-2006 (Participant in the project)
  • International grant of the German Foundation for Basic Research (DFG) together with the Russian Foundation of Basic Research (RFBR): ' Akustische Messverfahren für den Einsatz in Windkanälen mit hohem Hintergrundlärmpegel ', Wu 265/2-1, 2005 - 2008, (Head of the project from German side)
  • Integrated EU-project UPWIND, FP6-2004-Energy-3, Integrated Wind Turbine Design, 2005-2010 (Participant in the project)
  • International grant of the German Federal Ministry of Environment, Nature Conservation and Nuclear Safety (BMU) together with Ministry of Science and Technology Israel: Active flow control noise reduction , 2009-2011, (Participant in the project)
  • International grant of the German Foundation for Basic Research (DFG) together with the Russian Foundation of Basic Research (RFBR): ' Nichtlineare Stadien der Transition in einer verzögerten Flügel-Grenzschichtströmung bei kontrolliertem, kontinuierlichen und bei natürlichem Störspektrum ’, Wu 265/3-1, 2007 - 2010, (Head of the project from German side)
  • Collaborated EU-project RECEPT, FP7-AAT-2010-RTD-1: RECEPTivity and amplitude-based transition prediction, 2010-2015 (Participant in the project)
  • Grant of the German Foundation for Basic Research (DFG): Interaction of a laminar boundary layer with roughness elements in the close vicinity of an airfoil leading edge, WU265/4-1, 2010 - present, (Head of the project) AUDI AG aero-acoustic research project: Tonal noise generation on vehicle side mirrors, 2012 - 2016 (Head of the experimental part of the project)
  • LuFo-V2: Laminar-turbulente Transition unter instationären Anströmbedingungen (LTT) , 2016 – 2019 (Head of the wind tunnel part of the project)
  • LuFo-V3: ASASys, Anti Stall Assistenz System, 2017 – present (Head of the wind tunnel part of the project)
  • LuFo-V3: LAINA, Untersuchung laminarer Ablöseblasen unter instationären Anströmbedingungen zur Verbesserung von Profilentwurfsverfahren , 2018 – present (Head of the wind tunnel part of the project)
  • LuFo-VI: HPIA, Hochleistungsprofil für instationäre Anströmbedingungen , expected start 1.1.2021, (Head of the wind tunnel part of the project)
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