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Adaptive vortex generators based on active hybrid composites: from idea to flight test

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Abstract

In this contribution, we present a system of adaptive vortex generators (VGs) enabling an on-demand optimization of the airflow for high angles of attack. The generated vortices enhance the boundary layer with kinetic energy and prevent flow separation. The maximum cruise efficiency is ensured as VGs are stowed. The system presented uses active hybrid composites, where the actuation is initiated by shape memory alloys (SMA). By the direct integration of SMA elements in flat fiber-reinforced polymer (FRP) parts, the components turn into active hybrid composites. A well-selected amount of SMA wire is integrated in a composite layup and allows small elements of about 25 × 30 mm2 and a thickness of only 1.8 mm to deflect up to 8 mm upwards into the airflow. These small active VG with a weight of 1.5 g each can easily be integrated in the wing structure, since only an electrical connection is required. This contribution will highlight the actuation performance of these elements under airflow in the laboratory, illustrate the required system architecture and will give a first look on results of flight tests with functional setup equipped on a glider for measuring the aerodynamic impact on the flight behavior.

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(Picture by courtesy of DG Flugzeugbau)

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References

  1. Quackenbush, T.R., McKillip, R.M., Whitehouse, G.R.: Development and testing of deployable vortex generators using SMA actuation. In: Proc. 28th AIAA Applied Aerodynamics Conf. USA, IL, Chicago. (2010)

  2. Ikeda, T., Masuda, S., Miyasaka, T., Ueda, T.: Smart vortex generator using shape memory alloy. In: Proceedings of 25th International Congress of The Aeronautical Sciences. Hamburg. (2006)

  3. Vasista, S., Riemenschneider, J., Monner, H.P.: Design and testing of a compliant mechanism-based de- monstrator for a droop-nose morphing device. In: Proceedings of 23rd AIAA/AHS Adaptive Structures Conference, 05–09 Jan 2015, Kissimmee, Florida, USA. (2015)

  4. Hartl, D.J., Lagoudas, D.C., Calkins, F.T., Mabe, J.H.: Use of a Ni60Ti shape memory alloy for active jet engine chevron application: I. Thermomechanical characterization. Smart Mater. Struct. 19(1), 15020 (2010)

    Article  Google Scholar 

  5. Hartl, D.J., Mooney, J.T., Lagoudas, D.C., Calkins, F.T., Mabe, J.H.: Use of a Ni60Ti shape memory alloy for active jet engine chevron application: II. Experimentally validated numerical analysis. Smart Mater. Struct. 19(1), 15021 (2010)

    Article  Google Scholar 

  6. Cosin, R., Catalano, F.M., Correa, L.G.N., Entz, R.M.U.: Aerodynamic Analysis of multi-winglets for low air speed aircraft. In: Proceedings of 27th ICAS Int. Congress of the Aeronautical Sciences 27. (2010)

  7. Srikanth, G., Surendra, B.: Experimental investigation on the effect of multi-winglets. Int. J. Mech. Ind. Eng. 1(1), 43–46 (2011)

    Google Scholar 

  8. Hübler, M., Gurka, M., Schmeer, S., Breuer, U.P.: Performance range of SMA actuator wires and SMA–FRP structure in terms of manufacturing, modeling and actuation. Smart Mater. Struct. 22(9), 94002 (2013)

    Article  Google Scholar 

  9. Gurka, M., Hübler, M., Schmeer, S., Breuer, U.P.: Shape memory alloys as actuating elements in fiber reinforced structures. In: Proc. ACTUATOR12: 13th Int. Conf. New Actuators (Bremen, June) (2012)

  10. Shivashankara, B.N., Mabe, J.H., Clingman, D.J.: The BOEING COMPANY, “Vortex generator using shape memory alloys. US-Patent 2014/0331665 (2014)

  11. Champbell, M.: Controllable vortex generator. US-Patent 6427948B1 (2002)

  12. Narramore, J.C.: Bell Helicopter Textron, Inc. Retractable vortex generator. US-Patent 7878457B2 (2011)

  13. Lachmann, G.V.: Boundary layer and flow control: its principles and application. Pergamon Press, Oxford (1961)

    MATH  Google Scholar 

  14. Gurka, M.: Active hybrid structures made of shape memory alloys and fiber-reinforced composites. In: Friedrich, K., Breuer, U. (eds.): Multifunctionality of Polymer Composites Challenges and New Solutions. Wiliam Andrew Plastics Design Library. Elsevier, Amsterdam (2015) (eBook ISBN: 9780323265034 )

    Chapter  Google Scholar 

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Acknowledgements

The project “VortexGen” (KF2088334CK4/KF2117803CK4) was realized as a cooperation between the “Institut für Verbundwerkstoffe Kaiserslautern” and “DG Flugzeugbau” and was funded by the German Federal Ministry for Economic Affairs and Energy by the program ZIM (“Zentrales Innovationsprogramm Mittelstand”). The authors acknowledge the support of the German Federal Ministry for Economic Affairs and Energy. The authors also acknowledge DG Flugzeugbau for the support and for performing of the flight tests. Furthermore, the authors acknowledge University of Stuttgart for carrying out the wind tunnel tests.

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  1. Institut für Verbundwerkstoffe GmbH, Erwin-Schrödinger-Str. 58, 67663, Kaiserslautern, Germany

    S. Nissle, M. Kaiser, M. Hübler, M. Gurka & U. Breuer

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  1. S. Nissle
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  2. M. Kaiser
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  3. M. Hübler
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  4. M. Gurka
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  5. U. Breuer
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Correspondence to S. Nissle.

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Nissle, S., Kaiser, M., Hübler, M. et al. Adaptive vortex generators based on active hybrid composites: from idea to flight test. CEAS Aeronaut J 9, 661–670 (2018). https://doi.org/10.1007/s13272-018-0316-1

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  • DOI: https://doi.org/10.1007/s13272-018-0316-1

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