Techniques used in the F-14 variable-sweep transition flight experiment | Zendy

Bianca Trujillo Anderson | Zendy; Robert R. Meyer | Zendy; Harry R. Chiles | Zendy

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Techniques used in the F-14 variable-sweep transition flight experiment

Author(s) -

Bianca Trujillo Anderson,

Robert R. Meyer,

Harry R. Chiles

Publication year - 1991

Publication title -

journal of aircraft

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.64

H-Index - 94

eISSN - 1533-3868

pISSN - 0021-8669

DOI - 10.2514/3.46074

Subject(s) - aerospace engineering , variable (mathematics) , swept wing , aerodynamics , aeronautics , environmental science , computer science , simulation , engineering , mathematics , mathematical analysis

This paper discusses and evaluates the test measurement techniques used to determine the laminar-to-turbulent boundary layer transition location in the F-14 variable-sweep transition flight experiment (VSTFE). The main objective of the VSTFE was to determine the effects of wing sweep on the laminar-to-turbulent transition location at conditions representative of transport aircraft. Four methods were used to determine the transition location: (1) a hot-film anemometer system; (2) two boundary-layer rakes; (3) surface pitot tubes; and (4) liquid crystals for flow visualization. Of the four methods, the hot-film anemometer system was the most reliable indicator of transition.

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