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Active Flow Control with Adaptive Design Techniques for Improved Aircraft Safety

Award Information

National Aeronautics and Space Administration
Award ID:
Program Year/Program:
2008 / STTR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
Barron Associates, Inc.
1410 Sachem Place Suite 202 Charlottesville, VA -
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phase 2
Fiscal Year: 2008
Title: Active Flow Control with Adaptive Design Techniques for Improved Aircraft Safety
Agency: NASA
Contract: NND08AA58C
Award Amount: $599,857.00


The overall objective of this STTR effort is to evaluate and demonstrate the potential for well-designed, strategically-located synthetic jet actuators to provide improved aircraft safety by: (1) delaying wing stall and improving aircraft controllability at high angles of attack and (2) providing low-cost actuation redun-dancy to improve controllability in the event of a mechanical control surface failure. Delaying flow separa-tion (i.e., wing stall) and providing "back-up" control power could allow an aircraft to recover from adverse conditions (due to a control surface failure, pilot/autopilot error, etc.) that would otherwise result in a loss of control. Flow control studies have shown that synthetic jet actuators are efficient devices for controlling separated internal and external flows. However, an obstacle to the widespread application of synthetic jet actuators for practical flight control is that modulated input signals to achieve closed-loop flow control objectives have been shown to be complex. Barron Associates, the University of Virginia, and the University of Wyoming propose to develop a software toolbox for the creation of adaptive control systems for actuators having complex, nonlinear dynamics. The Phase II effort will culminate in a wind tunnel test that quanti-fies the safety improvement potential offered by adaptively-controlled synthetic jet actuators.

Principal Investigator:

Jason O. Burkholder
Principal Investigator

Business Contact:

Connie R. Hoover
Business Official
Small Business Information at Submission:

Barron Associates, Inc.
1410 Sachem Place, Suite 202 Charlottesville, VA 22901

EIN/Tax ID: 541243694
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Research Institution Information:
University of Virginia
PO Box 400195
Charlottesville, VA 22904 4257
Contact Phone: (434) 924-4270
RI Type: Nonprofit college or university