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Proceedings Paper

DARPA/AFRL Smart Wing Phase 2 wind tunnel test results
Author(s): Lewis B. Scherer; C. A. Martin; Brian P. Sanders; Mark N. West; Jennifer L. Pinkerton-Florance; Carol D. Wieseman; Alpheus W. Burner; Gary A. Fleming
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Paper Abstract

Northrop Grumman Corporation built and twice tested a 30 percent scale wind tunnel model of a proposed uninhabited combat air vehicle under the DARPA/AFRL Smart Materials and Structures Development - Smart Wing Phase 2 program to demonstrate the applicability of smart control surfaces on advanced aircraft configurations. The model constructed was a full span, sting mounted model with smart leading and trailing edge control surfaces on the right wing and conventional, hinged trailing edge control surfaces on the left wing. Among the performance benefits that were quantified were increased pitching moment, increased rolling moment and improved pressure distribution of the smart wing over the conventional wing. This paper present an overview of the result from the wind tunnel test performed at NASA Langley Research Center's Transonic Dynamic Tunnel in March 2000 and May 2001. Successful results included: (1) improved aileron effectiveness at high dynamic pressures, (2) demonstrated improvements in lateral and longitudinal effectiveness with smooth contoured smart trailing edge over conventional hinged control surfaces, (3) chordwise and spanwise shape control of the smart trailing edge control surface, and (4) smart trailing edge control surface deflection rates over 80 deg/sec.

Paper Details

Date Published: 9 July 2002
PDF: 12 pages
Proc. SPIE 4698, Smart Structures and Materials 2002: Industrial and Commercial Applications of Smart Structures Technologies, (9 July 2002); doi: 10.1117/12.475104
Show Author Affiliations
Lewis B. Scherer, Northrop Grumman Corp. (United States)
C. A. Martin, Northrop Grumman Corp. (United States)
Brian P. Sanders, Air Force Research Lab. (United States)
Mark N. West, Mission Research Corp. (United States)
Jennifer L. Pinkerton-Florance, NASA Langley Research Ctr. (United States)
Carol D. Wieseman, NASA Langley Research Ctr. (United States)
Alpheus W. Burner, NASA Langley Research Ctr. (United States)
Gary A. Fleming, NASA Langley Research Ctr. (United States)


Published in SPIE Proceedings Vol. 4698:
Smart Structures and Materials 2002: Industrial and Commercial Applications of Smart Structures Technologies
Anna-Maria Rivas McGowan, Editor(s)

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