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Bürgernahes flugzeug: testing technology for the high power propeller of a wind tunnel model

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Abstract

The research project “Bürgernahes Flugzeug (BNF)”, funded by the federal state of Lower Saxony, is set to study future commercial aircraft. Main task is the development of technologies for quiet aircraft with short take-off and landing capability. A wind tunnel model is built for testing the active high-lift system on a semispan wing, equipped with a scaled high power propeller which is driven by an electric motor. The electric motor was specially developed to meet the required high power density. In 2012 and 2013 several measurement campaigns were carried out in the Low Speed Wind Tunnel Braunschweig (NWB) of the German-Dutch Wind Tunnels (DNW). An operation procedure was set for the measurement campaigns, which allowed testing on varying operation points.

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Abbreviations

BNF:

Bürgernahes Flugzeug (Metropolitan Aircraft)

NWB:

Niedergeschwindigkeitswindkanal Braunschweig (Low-speed wind tunnel Braunschweig)

DNW:

German-Dutch Wind Tunnels

DLR:

German Aerospace Center

References

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Acknowledgments

The work described in this publication was carried out within the research project BNF, which is partly funded by the state of Lower Saxony in Germany since 2009. The authors are thankful for the good cooperation between the involved institutes of the Technical University of Braunschweig and the German Aerospace Center.

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Correspondence to M. Bauer.

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This paper is based on a presentation at the German Aerospace Congress, September 16–18, 2014, Augsburg, Germany.

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Bauer, M., Wulff, D. & Friedrichs, J. Bürgernahes flugzeug: testing technology for the high power propeller of a wind tunnel model. CEAS Aeronaut J 7, 225–239 (2016). https://doi.org/10.1007/s13272-016-0183-6

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  • DOI: https://doi.org/10.1007/s13272-016-0183-6

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