The design of leading-edge and intake wall structure to resist bird impact I. I. McNaughtan

By: Contributor(s): Series: Technical Report ; 72056 1972Content type:
  • text
Media type:
  • unmediated
Carrier type:
  • volume
Summary: The results are presented of a comprehensive investigation into the bird impact resistance of aircraft leading-edge structures. The penetration velocity of typical designs using L73 aluminum alloy and riveted construction has been measured as a function of bird weight (up to 1.8 kg), skin thickness, nose radius, rib thickness and pitch, and sweep angle. An empirical design formula has been derived. Some trials have also been made with alternative skin materials (L72 aluminum alloy, nickel and titanium alloys and a cfrp-L73 alloy laminate) and bonded construction. For reference, empirical design formulae for the bird impact resistance of flat and curved walls of offset engine intakes are included.
Holdings
Item type Current library Call number Copy number Status Notes Date due Barcode Item holds
REPORT REPORT NCAR Library STORAGE 102114 1 Available This version is a printed copy of the jpeg images from c.2 50583020000653
REPORT REPORT NCAR Library STORAGE 102114 2 Available This version is a cd containing jpeg images of each page of the report. 50583020000646
Total holds: 0

This report is in 2 different formats, a cd containing jpeg images of each page (c.2) and a version printed from those images (c.1).

The results are presented of a comprehensive investigation into the bird impact resistance of aircraft leading-edge structures. The penetration velocity of typical designs using L73 aluminum alloy and riveted construction has been measured as a function of bird weight (up to 1.8 kg), skin thickness, nose radius, rib thickness and pitch, and sweep angle. An empirical design formula has been derived. Some trials have also been made with alternative skin materials (L72 aluminum alloy, nickel and titanium alloys and a cfrp-L73 alloy laminate) and bonded construction. For reference, empirical design formulae for the bird impact resistance of flat and curved walls of offset engine intakes are included.

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