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2021 | OriginalPaper | Chapter

Understanding the Flight Mechanics of Active High-Lift Aircraft Configurations: Achievements of the CRC 880 Project

Authors : Yannic Beyer, Jobst H. Diekmann, Nicolas Fezans, Meiko Steen

Published in: Fundamentals of High Lift for Future Civil Aircraft

Publisher: Springer International Publishing

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Abstract

Flight mechanics of short take-off and landing aircraft with active high-lift system and propeller engines exhibit excellent low airspeed flight performance on the one hand but also flight mechanical challenges on the other. These are results of previous work of the 60s as well as of the Collaborative Research Centre CRC 880. In the CRC 880 project, new knowledge about unsatisfactory handling qualities was gained by flight dynamics modeling and simulations based on a high-fidelity computational fluid dynamics database of the CRC reference aircraft. This paper summarizes the results of the flight dynamics that confirm excellent flight performance, minor challenges in the longitudinal motion and major challenges in the lateral-directional motion. Passive and active countermeasures are discussed to improve the handling qualities. Moreover, it is shown that only partial failures of the active high-lift system can be compensated. Finally, the paper gives an outlook on future work.

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previous chapter Aerodynamic Analysis of a STOL Propeller Aircraft with Active High-Lift and Control Surface Systems

next chapter A Multifidelity Approach for Uncertainty Propagation in Flight Dynamics

Note that an intermediate configuration would be a preferable first action but no data on intermediate flaps configurations was available at the time of this investigation.

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Title: Understanding the Flight Mechanics of Active High-Lift Aircraft Configurations: Achievements of the CRC 880 Project
Authors: Yannic Beyer
Jobst H. Diekmann
Nicolas Fezans
Meiko Steen
Publisher: Springer International Publishing
Book: Fundamentals of High Lift for Future Civil Aircraft
Print ISBN: 978-3-030-52428-9

Electronic ISBN: 978-3-030-52429-6

Copyright Year: 2021
DOI: https://doi.org/10.1007/978-3-030-52429-6_27

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