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Modelling of A Boundary Layer Ingesting Propulsor

Author

Listed:
  • Nils Budziszewski

    (Institute of Jet Propulsion and Turbomachinery, TU Braunschweig, Hermann-Blenk-Straße 37, D-38108 Braunschweig, Germany)

  • Jens Friedrichs

    (Institute of Jet Propulsion and Turbomachinery, TU Braunschweig, Hermann-Blenk-Straße 37, D-38108 Braunschweig, Germany)

Abstract

Boundary layer ingestion is a promising method to decrease the propulsive power consumption of an aircraft, and therefore the fuel consumption. This leads to a reduced environmental impact and an improved cost-efficiency. To get a better understanding of this method and to estimate its benefits, the modelling of a propulsor located at the upper rear centerbody of a blended wing body aircraft is presented in this paper. A parallel compressor model approach is used to analyse the impact of the ingested low velocity fluid which leads to a non-uniform inflow. The required boundary layer data are generated with an analysis tool for 2D subsonic airfoils. Some parameter variations are conducted with the developed programme to study their impact on the power saving potential. In addition, a simple estimation for the benefit of embedded aeroengines is given. Despite the drawback from fan efficiency due to the inflow distortion, the results show a significant decrease in required propulsive power for boundary layer ingestion in combination with integrated engines.

Suggested Citation

  • Nils Budziszewski & Jens Friedrichs, 2018. "Modelling of A Boundary Layer Ingesting Propulsor," Energies, MDPI, vol. 11(4), pages 1-15, March.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:4:p:708-:d:137367
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    References listed on IDEAS

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    1. 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.
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    Cited by:

    1. 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.
    2. Elitza Karadotcheva & Sang N. Nguyen & Emile S. Greenhalgh & Milo S. P. Shaffer & Anthony R. J. Kucernak & Peter Linde, 2021. "Structural Power Performance Targets for Future Electric Aircraft," Energies, MDPI, vol. 14(19), pages 1-30, September.

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