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Results of LFC experiment on slotted swept supercritical airfoil in Langley's 8-foot transonic pressure tunnelA large chord swept supercritical laminar-flow control (LFC) airfoil was designed, constructed, and tested in the Langley 8-foot Transonic Pressure Tunnel (TPT). The LFC airfoil experiment was established to provide basic information concerning the design and compatibility of high performance supercritical airfoils with suction boundary-layer control achieved through fine slots or porous surface concepts. Shockless pressure distribution was achieved. Full chord laminar flow was achieved on upper and lower surfaces. Full chord laminar flow was maintained at subcritical speeds and over large supercritical zones. Feasibility of combined suction laminarization and supercritical airfoil technology was demonstrated.
Document ID
19900003215
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Brooks, Cuyler W., Jr. (NASA Langley Research Center Hampton, VA, United States)
Harris, Charles D. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 6, 2013
Publication Date
December 1, 1987
Publication Information
Publication: Research in Natural Laminar Flow and Laminar-Flow Control, Part 2
Subject Category
Aerodynamics
Accession Number
90N12531
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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