INVESTIGATION OF MULTI-MATERIAL LAMINATES FOR SMART DROOP NOSE DEVICES

摘要

For the application of laminar flow atcommercial aircraft wings the high-lift devicesat the leading edge play a major role. Sinceconventional leading edge devices like slats donot comply with the high surface qualityrequirements needed for laminar flow,alternative concepts must be developed. Besidesthe conventional Krueger device which provideslaminar flow on the upper side of the airfoil andan insect shielding functionality, smart droopnose devices are currently being investigated.However, the research on such morphingdevices which can deform to a given targetshape and provide a smooth, high-qualitysurface has to give answers to questions offundamental industrial requirements likeerosion protection, anti/de-icing, lightningstrike protection and bird strike protection. Theintegration of these functionalities into a givenbaseline-design of a morphing structure is a keychallenge for the application of such devices inthe future. This paper focuses on the designdrivers, interdependencies and effects of theintegration of the mentioned functionalities intoa smart droop nose device.