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Design of a Slotted, Natural-Laminar-Flow Airfoil for a Transport AircraftA 13.49-percent-thick, slotted, natural-laminar-flow airfoil, the S207, for a transport aircraft has been designed and analyzed theoretically. The two primary objectives of high maximum lift, insensitive to roughness, and low profile drag have been achieved. The drag-divergence Mach number is predicted to be greater than 0.70.
Document ID
20190031816
Acquisition Source
Langley Research Center
Document Type
Contractor Report (CR)
Authors
Somers, Dan M. (Airfoils, Inc. Port Matilda, PA, United States)
Date Acquired
September 26, 2019
Publication Date
August 1, 2019
Subject Category
Aerodynamics
Report/Patent Number
NASA-CR-2019-220403
NF1676L-34040
Funding Number(s)
WBS: 128698.02.93.07.45
CONTRACT_GRANT: NNX17AJ95A
Distribution Limits
Public
Copyright
Public Use Permitted.

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