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Leading-edge deflection optimization for a highly swept arrow wing configurationTests were also conducted to determine the sensitivity of the lateral stability derivative C sub l sub beta to geometric anhedral. The optimized leading edge deflection was developed by aligning the leading edge with the incoming flow along the entire span. Owing to the spanwise variation of upwash, the resulting optimized leading edge was a smooth, continuously warped surface. For the particular configuration studied, levels of leading edge suction on the order of 90 percent were achieved with the smooth, continuously warped leading edge contour. The results of tests conducted to determine the sensitivity of C sub l sub beta to geometric anhedral indicate values of delta C sub l sub beta/delta T which are in reasonable agreement with estimates provided by simple vortex lattice theories.
Document ID
19810006459
Acquisition Source
Legacy CDMS
Document Type
Technical Publication (TP)
Authors
Coe, P. L., Jr. (NASA Langley Research Center Hampton, VA, United States)
Huffman, J. K. (NASA Langley Research Center Hampton, VA, United States)
Fenbert, J. W. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 4, 2013
Publication Date
December 1, 1980
Subject Category
Aerodynamics
Report/Patent Number
L-13820
NASA-TP-1777
Accession Number
81N14974
Funding Number(s)
PROJECT: RTOP 533-01-43-02
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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