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Development of a Flight Dynamics Modelof a Flying Wing Configuration
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Aerodynamics.
2014 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The subject of UCAV design is an important topic nowadays and many countries have

their own programmes. An international group, under the initiative of the NATO RTO

AVT-201 Task group, titled “Extended Assessment of Reliable Stability & Control Prediction

Methods for NATO Air Vehicles”, is currently performing intensive analysis on

a generic UCAV configuration, named SACCON. In this thesis the stability and control

characteristics of the SACCON are investigated, with the purpose of carrying out a comprehensive

assessment of the flying qualities of the design. The study included the generation

of the complete aerodynamic database of the aircraft, on the basis of the experimental data

measured during TN2514 and TN2540 campaigns at DNW-NWB low speed wind tunnel.

Moreover, system identification techniques were adopted for the extraction of dynamic

derivatives from the time histories of forced oscillation runs. The trim of the aircraft was

evaluated across the points of a reasonable test envelope, so as to define a set of plausible

operative conditions, representing the reference conditions for subsequent linearization of

the dynamic model. The study provided a thorough description of the stability and control

characteristics and flying qualities of the unaugmented SACCON, laying the groundwork

for future improvement and validation of the configuration in the next design stages.

Place, publisher, year, edition, pages
2014. , 192 p.
TRITA-AVE, ISSN 1651-7660 ; 2014:23
Keyword [en]
Aerodynamic Modelization, System Identification, Stability & Control, Linear
National Category
Engineering and Technology
URN: urn:nbn:se:kth:diva-159873OAI: diva2:787489
Available from: 2015-02-10 Created: 2015-02-10 Last updated: 2015-02-10Bibliographically approved

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