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

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N68936-10-C-0092
Agency Tracking Number: N101-039-1831
Amount: $149,995.00
Phase: Phase I
Program: SBIR
Awards Year: 2010
Solicitation Year: 2010
Solicitation Topic Code: N101-039
Solicitation Number: 2010.1
Small Business Information
112 W. Foster Ave, Suite 1, State College, PA, 16801
DUNS: 005051219
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Michael Grissom
 Senior Project Engineer
 (814) 867-4097
Business Contact
 Jeremy Frank
Title: President
Phone: (814) 867-4097
Email: jfrank@kcftech.com
Research Institution
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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