NASA SBIR 2004 Solicitation

FORM B - PROPOSAL SUMMARY


PROPOSAL NUMBER: 04 X2.03-7987
SUBTOPIC TITLE: Wireless Power Transmission
PROPOSAL TITLE: Thin Film Flat Panel Off-Axis Solar Concentrator with Flux Distribution

SMALL BUSINESS CONCERN (Name, E-mail, Mail Address, City/State/Zip, Phone)
United Applied Technologies, Inc.
11506 Gilleland Road
Huntsville, AL 35803-4327
(256)650-5120

PRINCIPAL INVESTIGATOR/PROJECT MANAGER (Name, E-mail, Mail Address, City/State/Zip, Phone)
LARRY BRADFORD
l.bradford@unitedappliedtech.com
11506 Gilleland Road
Huntsville, AL 35803-4327
(256)650-5120

TECHNICAL ABSTRACT (LIMIT 200 WORDS)
Relatively small concentric thin film FRESNEL lenses and fresnel-like Multiple Parabolic Reflecting Surface (MPRS) reflectors have been successfully produced from molds machined with diamond turning lathes, which are limited in size to less than 15 feet diameter. This size limitation prevents using this fabrication method for production of molds for operational size space concentrators and off-axis (non-concentric) patterns cannot be produced at all with lathes. UAT has been demonstrated that computer numerical control (CNC) milling machines that can readily machine complex geometries, including any radius of curvature, can be used to produce mold segments representing any portion of any size MPRS. These mold patterns can then be replicated on thin film sheets, which are then appropriately integrated to produce solar concentrators of the desired size. Multiple focal lengths/points, concentration ratios, and controlled flux distribution can be incorporated in a single reflector panel allowing substantial and previously unavailable Wireless Power Transfer System design flexibility.
The Phase I program will verify the thin film performance capabilities and scalability of the MPRS concept and the Phase II program will provide a full scale concentrator applicable to Wireless Power Transfer technology for testing and deployment.

POTENTIAL NASA COMMERCIAL APPLICATIONS (LIMIT 100 WORDS)
The deployable self-rigidizing MPRS solar concentrators are applicable to space solar thermal propulsion systems, solar photovoltaic, solar furnaces, and lunar bases.

POTENTIAL NON-NASA COMMERCIAL APPLICATIONS (LIMIT 100 WORDS)
This concentrator concept may be used by commercial satellite operators to substantially enhance their design versatility. Terrestrial applications include both photovoltaic and solar thermal commercial and residential systems.