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Drag Reduction by Laminar Flow Control

Author

Listed:
  • Nils Beck

    (Aeronautics Research Center Niedersachsen (NFL), TU Braunschweig, Hermann-Blenk-Straße 27, 38108 Braunschweig, Germany)

  • Tim Landa

    (Institute of Fluid Mechanics (ISM), TU Braunschweig, Hermann-Blenk-Straße 37, 38108 Braunschweig, Germany)

  • Arne Seitz

    (Institute of Aerodynamics and Flow Technology (DLR-AS), German Aerospace Center, Lilienthalplatz 7, 38108 Braunschweig, Germany)

  • Loek Boermans

    (Faculty of Aerospace Engineering, Delft University of Technology, Kluyverweg 1, 2629 HS Delft, The Netherlands)

  • Yaolong Liu

    (Aeronautics Research Center Niedersachsen (NFL), TU Braunschweig, Hermann-Blenk-Straße 27, 38108 Braunschweig, Germany)

  • Rolf Radespiel

    (Institute of Fluid Mechanics (ISM), TU Braunschweig, Hermann-Blenk-Straße 37, 38108 Braunschweig, Germany)

Abstract

The Energy System Transition in Aviation research project of the Aeronautics Research Center Niedersachsen (NFL) searches for potentially game-changing technologies to reduce the carbon footprint of aviation by promoting and enabling new propulsion and drag reduction technologies. The greatest potential for aerodynamic drag reduction is seen in laminar flow control by boundary layer suction. While most of the research so far has been on partial laminarization by application of Natural Laminar Flow (NLF) and Hybrid Laminar Flow Control (HLFC) to wings, complete laminarization of wings, tails and fuselages promises much higher gains. The potential drag reduction and suction requirements, including the necessary compressor power, are calculated on component level using a flow solver with viscid/inviscid coupling and a 3D Reynolds-Averaged Navier-Stokes (RANS) solver. The effect on total aircraft drag is estimated for a state-of-the-art mid-range aircraft configuration using preliminary aircraft design methods, showing that total cruise drag can be halved compared to today’s turbulent aircraft.

Suggested Citation

  • Nils Beck & Tim Landa & Arne Seitz & Loek Boermans & Yaolong Liu & Rolf Radespiel, 2018. "Drag Reduction by Laminar Flow Control," Energies, MDPI, vol. 11(1), pages 1-28, January.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:1:p:252-:d:127953
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    References listed on IDEAS

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    1. Yaolong Liu & Ali Elham & Peter Horst & Martin Hepperle, 2018. "Exploring Vehicle Level Benefits of Revolutionary Technology Progress via Aircraft Design and Optimization," Energies, MDPI, vol. 11(1), pages 1-22, January.
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    Citations

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    Cited by:

    1. Majeed Bishara & Peter Horst & Hinesh Madhusoodanan & Martin Brod & Benedikt Daum & Raimund Rolfes, 2018. "A Structural Design Concept for a Multi-Shell Blended Wing Body with Laminar Flow Control," Energies, MDPI, vol. 11(2), pages 1-21, February.
    2. Jonas Voigt & Jens Friedrichs, 2021. "Development of a Multi-Segment Parallel Compressor Model for a Boundary Layer Ingesting Fuselage Fan Stage," Energies, MDPI, vol. 14(18), pages 1-16, September.
    3. Nils Budziszewski & Jens Friedrichs, 2018. "Modelling of A Boundary Layer Ingesting Propulsor," Energies, MDPI, vol. 11(4), pages 1-15, March.
    4. Bekir Yildiz & Peter Förster & Thomas Feuerle & Peter Hecker & Stefan Bugow & Stefan Helber, 2018. "A Generic Approach to Analyze the Impact of a Future Aircraft Design on the Boarding Process," Energies, MDPI, vol. 11(2), pages 1-12, January.
    5. Moussavi, S. Abolfazl & Ghaznavi, Aidin, 2021. "Effect of boundary layer suction on performance of a 2 MW wind turbine," Energy, Elsevier, vol. 232(C).

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