A Lightweight Concept for Aerodynamic Surfaces with Variable Camber
Campanile L. F., and Hanselka H., (1998) A Lightweight Concept for Aerodynamic Surfaces with Variable Camber. In: ICAS 98 Proceedings, pp. 1-10. "21st ICAS (International Council of the Aeronautical Sciences", Melbourne, Australien, September 1998. ISBN ISSN 1-56 347-287-2.
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In this work new concept for an aerodynamic surface with variable camber is presented. The changes with respect to the traditional structural design are kept to a minimum. The conventional rib, in charge of the aerodynamic sections shape stability, is replaced by a camber-flexible rib. In contrast to the traditional rib, the camber-flexible rib allows in-plane deformations. However, due to the ribs special construction, these occur mainly as changes in the section camber. The section camber can be selected and controlled under load by an appropriate actuator system. The camber-flexible rib is realized with a closed shell (belt), reinforced by in-plane stiffeners (spokes). The spokes' main task is to restrain the ribs in-plane flexibility in such a way, that undesired deformations can be avoided. The spokes are connected to the belt by hinges and the whole section stiffness of the rib is provided by the belts bending stiffness. Together with the description of the new structure, with some options for the integration in a real aerodynamic surface, some simulation and experimental results on a prototype are presented in the paper.
|Document Type:||Conference or Workshop Item (Paper)|
|Additional Information:||LIDO-Berichtsjahr=1999, monograph_id=A98-31620,|
|Title:||A Lightweight Concept for Aerodynamic Surfaces with Variable Camber|
|Journal or Publication Title:||ICAS 98 Proceedings|
|Page Range:||pp. 1-10|
|ISBN:||ISSN 1-56 347-287-2|
|Event Title:||"21st ICAS (International Council of the Aeronautical Sciences", Melbourne, Australien, September 1998|
|HGF - Research field:||no assignement|
|HGF - Program:||UNSPECIFIED|
|HGF - Program Themes:||UNSPECIFIED|
|DLR - Research area:||no assignement|
|DLR - Program:||UNSPECIFIED|
|DLR - Research theme (Project):||UNSPECIFIED|
|Institutes and Institutions:||Institute of Composite Structures and Adaptive Systems > Institut für Strukturmechanik|
|Deposited By:||Sibylle Wolff|
|Deposited On:||16 Sep 2005|
|Last Modified:||14 Jan 2010 15:45|
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