ACOUSTIC ARRAY TECHNIQUE FOR WIND TUNNEL APPLICATIONS

Award Information
Agency:
Department of Defense
Branch
Army
Amount:
$200,000.00
Award Year:
1994
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
18472
Agency Tracking Number:
18472
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
7925 Westpark Drive, Mclean, VA, 22102
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Walter S. Koroljow
(703) 734-3493
Business Contact:
() -
Research Institute:
n/a
Abstract
THIS IS A PROPOSAL TO PRODUCE AN ACOUSTIC ARRAY DESIGN SUITABLE FOR MAKING ACOUSTIC MEASUREMENTS OF MODEL HELICOPTERS IN A WIND TUNNEL. THIS "FEASIBILITY DESIGN" WILL DEMONSTRATE THE THEORETICAL FEASIBILITY OF SUCH A WIND TUNNEL ARRAY, AND WILL QUANTIFY THE PERFORMANCE OF SUCH AN ARRAY. THE WORK WILL INVESTIGATE THE DESIGN TRADEOFFS AVAILABLE AND WILL ESTABLISH THE COMPUTATIONAL REQUIREMENTS FOR ARRAY SIGNAL PROCESSING AS WELL AS MECHANICAL AND ELECTRICAL TOLERANCES FOR ARRAY FABRICATION. THE REQUIRED ARRAY SIGNAL PROCESSING WILL BE UNIQUE IN THAT IT WILL TAKE INTO ACCOUNT THE SIGNIFICANT MACH NUMBERS OF THE WIND TUNNEL AIRFLOW. IT IS EXPECTED THAT THE DESIGN WILL BE ABLE TO PROVIDE FREQUENCY COVERAGES OF 5 - 6 OCTAVES, SIGNIFICANT REJECTION OF AMBIENT NOISE AND REFLECTED NOISE, AND ACOUSTIC IMAGING CAPABILITY.

* information listed above is at the time of submission.

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