Ultra-light, Quasi-active Noise Control Solution for Quiet UAVs

Award Information
Agency:
Department of Defense
Branch
Navy
Amount:
$80,000.00
Award Year:
2010
Program:
SBIR
Phase:
Phase I
Contract:
N68936-10-C-0092
Award Id:
98405
Agency Tracking Number:
N101-039-1831
Solicitation Year:
n/a
Solicitation Topic Code:
NAVY 10-039
Solicitation Number:
n/a
Small Business Information
112 W. Foster Ave, Suite 1, State College, PA, 16801
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
005051219
Principal Investigator:
Michael Grissom
Senior Project Engineer
(814) 867-4097
mgrissom@kcftech.com
Business Contact:
Jeremy Frank
President
(814) 867-4097
jfrank@kcftech.com
Research Institution:
n/a
Abstract
KCF Technologies in partnership with Insitu, Inc. proposes an ultra-light, quasi-active noise control method for quiet Unmanned Aerial Vehicles (UAV's). The main motivation of this proposed effort is reducing the SPL's of the radiated tones of UAV's, since stealth is critical to the success of their operation. In the present design of most UAV's, the propeller is rear mounted and thus operates in a push rather than a pull mode that is common in say, turboprop engines. With the push-type propeller, noise is generated by rotor interaction with the time invariant flow distortions that are generated due to the presence of the upstream components of aircraft, e.g. the fuselage. Since this is an inherent feature of the design, the only recourse to reducing the radiation noise is to attenuate it, either actively or passively. In Phase I, KCF will demonstrate the technical feasibility of the quasi-active noise control method for UAVs without significant impact to UAV performance, and develop a detailed analysis of predicted performance of the proposed technology. In Phase II, KCF in partnership with Insitu, will develop, demonstrate, and validate the proposed technology integrated on a production UAV.

* information listed above is at the time of submission.

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