Development of Flow-Field Seeding for Large Wind Tunnels

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA9101-08-C-0006
Agency Tracking Number: F061-297-4103
Amount: $658,775.00
Phase: Phase II
Program: SBIR
Awards Year: 2008
Solicitation Year: 2006
Solicitation Topic Code: AF06-297
Solicitation Number: 2006.1
Small Business Information
1925 McKinley Avenue, Suite B, La Verne, CA, 91750
DUNS: 196694640
HUBZone Owned: N
Woman Owned: Y
Socially and Economically Disadvantaged: N
Principal Investigator
 Thomas Sobota
 (909) 228-9950
Business Contact
 Jane Sobota
Title: CFO and Corporate Counsel
Phone: (909) 392-3152
Research Institution
The Air Force seeks a large production wind tunnel seeding system with full field steering capability. Additionally, the system must offer control of the particle size and density along with minimal maintenance and flow disturbance characteristics. These features will increase tunnel productivity, and compliment nonintrusive flow visualization techniques, such as Particle Image Velocimetry (PIV), Doppler Global Velocimetry (DGV), and more, without hindering other techniques like Pressure Sensitive Paint (PSP), and force/moment balance measurements among many. Advanced Projects Research, Incorporated (APRI) proposes a design satisfying these requirements using a translating injector array, capable of full field steering and individual injector flow control. A reversible gear pump will be installed for each individual injector delivering adjustable flow rates of propylene glycol to optimize particle number density in the test section. The injector delivers the seed fluid within a stream of regulated coflowing air to allow for desired dispersion of the particles into the tunnel. A central computer system interfaces between the user inputs and all the hardware subsystems

* Information listed above is at the time of submission. *

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