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NASA Agricultural Aircraft Research Program in the Langley Vortex Research Facility and the Langley Full Scale Wind TunnelThe current status of aerial applications technology research at the Langley's Vortex Research Facility and Full-Scale Wind Tunnel is reviewed. Efforts have been directed mainly toward developing and validating the required experimental and theoretical research tools. A capability to simulate aerial dispersal of materials from agricultural airplanes with small-scale airplane models, numerical methods, and dynamically scaled test particles was demonstrated. Tests on wake modification concepts have proved the feasibility of tailoring wake properties aerodynamically to produce favorable changes in deposition and to provide drift control. An aerodynamic evaluation of the Thrush Commander 800 agricultural airplane with various dispersal systems installed is described. A number of modifications intended to provide system improvement to both airplane and dispersal system are examined, and a technique for documenting near-field spray characteristics is evaluated.
Document ID
19790032711
Document Type
Conference Paper
Authors
Jordan, F. L., Jr.
(NASA Langley Research Center Hampton, VA, United States)
Mclemore, H. C.
(NASA Langley Research Center Dynamic Stability Branch, Hampton, Va., United States)
Bragg, M. B.
(Illinois, University Urbana, Ill., United States)
Date Acquired
August 9, 2013
Publication Date
December 1, 1978
Subject Category
Aircraft Design, Testing And Performance
Report/Patent Number
ASAE PAPER 78-1507
Meeting Information
Meeting: American Society of Agricultural Engineers, Winter Meeting
Location: Chicago, IL
Start Date: December 18, 1978
End Date: December 20, 1978
Accession Number
79A16724
Distribution Limits
Public
Copyright
Other

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