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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Wing Twist Measurements at the National Transonic Facility

Wing Twist Measurements at the National Transonic Facility

Nasa, National Aeronautics and Space Adm

Paperback

Astronomy & Space

Currently unavailable to order

ISBN10: 1728920353
ISBN13: 9781728920351
Publisher: Independently Published
Published: Oct 18 2018
Pages: 30
Weight: 0.21
Height: 0.06 Width: 8.50 Depth: 11.02
Language: English
A technique for measuring wing twist currently in use at the National Transonic Facility is described. The technique is based upon a single camera photogrammetric determination of two dimensional coordinates with a fixed (and known) third dimensional coordinate. The wing twist is found from a conformal transformation between wind-on and wind-off 2-D coordinates in the plane of rotation. The advantages and limitations of the technique as well as the rationale for selection of this particular technique are discussed. Examples are presented to illustrate run-to-run and test-to-test repeatability of the technique in air mode. Examples of wing twist in cryogenic nitrogen mode are also presented. Burner, Alpheus W. and Wahls, Richard A. and Goad, William K. Langley Research Center RTOP 505-59-54-01...

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