2002, English, Book, Illustrated edition: Induced moment effects of formation flight using two F/A-18 aircraft / Jennifer L. Hansen and Brent R. Cobleigh. Hansen, Jennifer L.

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Bookmark: https://trove.nla.gov.au/version/30340080
Physical Description
  • 18 p. : col. ill. ; 28 cm.
Published
  • Edwards, CA : National Aeronautics and Space Administration, Dryden Flight Research Center, 2002.
Language
  • English

Edition details

Title
  • Induced moment effects of formation flight using two F/​A-18 aircraft /​ Jennifer L. Hansen and Brent R. Cobleigh.
Author
  • Hansen, Jennifer L.
Other Authors
  • Cobleigh, Brent R.
  • NASA Dryden Flight Research Center.
Published
  • Edwards, CA : National Aeronautics and Space Administration, Dryden Flight Research Center, 2002.
Physical Description
  • 18 p. : col. ill. ; 28 cm.
Series
Subjects
Summary
  • Previous investigations into formation flight have shown the possibility for significant fuel savings through drag reduction. Using two F/​A-18 aircraft, NASA Dryden Flight Research Center has investigated flying aircraft in autonomous formation. Positioning the trailing airplane for best drag reduction requires investigation of the wingtip vortex effects induced by the leading airplane. A full accounting of the vortex effect on the trailing airplane is desired to validate vortex-effect prediction methods and provide a database for the design of a formation flight autopilot. A recent flight phase has mapped the complete wingtip vortex effects at two flight conditions with the trailing airplane at varying distances behind the leading one. Force and moment data at Mach 0.56 and an altitude of 25,000 ft and Mach 0.86 and an altitude of 36,000 ft have been obtained with 20, 55, 110, and 190 ft of longitudinal distance between the aircraft. The moments induced by the vortex on the trailing airplane were well within the pilot's ability to control.
Notes
  • Available in PDF format, via the World Wide Web.
  • "Also presented at the AIAA Atmospheric Flight Mechanics Conference and Exhibit, Monterey, CA, August 5-8, 2002."
  • Includes bibliographical references.
Language
  • English
Libraries Australia ID
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