NDLI: Application of forebody strakes for directional stability and control of transport aircraft

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Application of forebody strakes for directional stability and control of transport aircraft

Content Provider	NASA Technical Reports Server (NTRS)
Author	Granda, J. Nijel Shah, Gautam H.
Copyright Year	1999
Description	A brief overview of a cooperative NASA/Boeing research effort, Strake Technology Research Application to Transport Aircraft (STRATA), intended to explore the potential of applying forebody strake technology to transport aircraft configurations for directional stability and control at low angles of attack, is presented. As an initial step in the STRATA program, an exploratory wind-tunnel investigation of the effect of fixed forebody strakes on the directional stability and control characteristics of a generic transport configuration was conducted in the NASA Langley 12-Foot Low-Speed Wind Tunnel. Results of parametric variations in strake chord and span, as well as the effect of strake incidence, are presented. The use of strakes for yaw control is also discussed. Results emphasize the importance of forebody/fuselage crossflow in influencing strake effectiveness. Strake effectiveness is also seen to be directly related to its span, but less sensitive to chord; a very short-chord strake with sufficient span can have a significant effect.
File Size	897201
Page Count	9
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20040090579
Archival Resource Key	ark:/13960/t26b22z18
Language	English
Publisher Date	1999-01-01
Access Restriction	Open
Subject Keyword	Aircraft Stability And Control Strakes Transport Aircraft Low Speed Lift Subsonic Wind Tunnels Directional Stability Flow Distribution Controllability Fuselages Angle of Attack Directional Control Aircraft Configurations Forebodies Cross Flow Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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