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Investigation of a Morphing Wing Capable of Airfoil and Span Adjustment using a Retractable Folding Mechanism – New Engineering Approach

Investigation of a Morphing Wing Capable of Airfoil and Span Adjustment using a Retractable Folding Mechanism – New Engineering Approach

Wednesday 18/10/2017
  • Amit Geva
  • Work towards MSc degree under the supervision of Assoc. Prof. Haim Abramovich and Assoc. Prof. Rimon Arieli
  • Classroom 165, ground floor, Library, Aerospace Eng.
  • Department of Aerospace Engineering
  • Technion – Israel Institute of Technology
  • The talk will be given in either Hebrew or English, depending on the crowd

A morphing or adapting aircraft is a term used to define an airplane that enables mid-flight geometry change, in order to allow a shift in performance and aerodynamic traits which in turn would allow for the optimization of multiple flight scenarios. Many viable solutions are examined and tested with various degrees of success. Span morphing is commonly used in order to improve duration while airfoil morphing (mostly refers to the camber) is commonly used to allow the elimination of ailerons and flap aerodynamic disturbances and thus lower parasitic drag. Most span morphing solutions are of limited geometry change, while those who do offer an extreme alteration in span result in a “new” aircraft which has an airfoil that is not suitable for the new working point.

The proposed solution presented in this work is of a folding, reversible wing which enables substantial wingspan and airfoil alteration simultaneously. The efficiency of such an aircraft is defined and analyzed while a “step by step” procedure is laid out for the process of initial sizing. In addition, the folding maneuver results in an abnormal airfoil which is examined and wind tunnel tested in order to assess the overall validity of the proposed configuration.

Light refreshments will be served before the lecture
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