Abstract
A new optimized winglet of a small aircraft is used to develop the solutions for structure, VHF antenna, systems as lights and lightning protection. The aerodynamic optimization has been based on the Design of Experiment and Response Surface method in order to find out the suitable shape of the winglet from the aerodynamic, structure and the basic operating frequency range for VHF radio communication points of view. The winglet’s structure has been designed based on the aerodynamic loads and took into account the appropriate technology. The improvement of the aerodynamic characteristics and handling qualities of the aircraft are discussed and the integration concepts and production moulds are presented.
Highlights
Modern aircraft are highly efficient in terms of fuel burn and emissions
The VHF antennas can be integrated into the fuselage panels or winglet’s surface, e.g. This paper is focusing on the design of the winglet enabling to integrate VHF antenna into it and its effect on aerodynamic characteristics
Design of Experiment & Response Surface Method The circumscribe type of DoE was used during this study
Summary
Modern aircraft are highly efficient in terms of fuel burn and emissions. One part of the existing aircraft which can be modified in order to further reduction of CO2 and NOx emissions is replacing of the protruding antennas by integrating ones [1]. The structurally integrated antennas cause less additional drag, noise and turbulence in comparison with classical protruding antennas. It reduces the maintenance costs and operational delays avoiding to protruding parts by collisions with airport cargo cars. The European project ACASIAS [2] addresses, among others, the topic of integrated antennas and their effect on aerodynamic performances and environment. The VHF antennas can be integrated into the fuselage panels or winglet’s surface, e.g. This paper is focusing on the design of the winglet enabling to integrate VHF antenna into it and its effect on aerodynamic characteristics
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