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600 Volt Stretched Lens Array for Solar Electric Propulsion

Award Information

Agency:
National Aeronautics and Space Administration
Branch:
N/A
Award ID:
80767
Program Year/Program:
2006 / STTR
Agency Tracking Number:
050170
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
ENTECH, Inc.
1077 Chisolm Trail Keller, TX 76248 7000
View profile »
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 1
Fiscal Year: 2006
Title: 600 Volt Stretched Lens Array for Solar Electric Propulsion
Agency: NASA
Contract: NNC06CB43C
Award Amount: $99,956.00
 

Abstract:

Over the past six years, ENTECH, Auburn, NASA, and other organizations have developed a new space photovoltaic array called the Stretched Lens Array (SLA), which offers unprecedented performance (e.g., >80 kW/cu.m. stowed power, >300 W/sq.m. areal power, and >300 W/kg specific power in the very near term) and cost-effectiveness (>75% savings in $/W compared to planar high-efficiency arrays). SLA achieves these outstanding attributes by employing flexible Fresnel lenses for optical concentration (e.g., 8X), thereby minimizing solar cell area, mass, and cost. SLA's small cell size (85% less cell area than planar high-efficiency arrays) also allows super-insulation and super-shielding of the solar cells to enable high-voltage operation and radiation hardness in the space environment. Recent studies show that SLA offers a 3-4X advantage over competing arrays in specific power for many NASA Exploration missions. ENTECH and Auburn, with Aerojet support, propose to develop and demonstrate a special version of SLA, specifically optimized for Solar Electric Propulsion (SEP) missions. This SLA for SEP will operate at 600 V to direct-drive an Aerojet Hall-effect electric thruster. Such a combination of an ultra-light, high-voltage, radiation-hard SLA with a high-specific-impulse electric thruster will have widespread applicability to many NASA, DOD, and commercial missions.

Principal Investigator:

Mark O'Neill
Principal Investigator
8173790100
mjoneill@entechsolar.com

Business Contact:

Mark J. O'Neill
President
8173790100
mjoneill@entechsolar.com
Small Business Information at Submission:

ENTECH, Inc.
1077 Chisolm Trail Keller, TX 76248

EIN/Tax ID: 751907840
DUNS: N/A
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Research Institution Information:
Auburn University
231 Leach Center
Auburn University, AL 36849
Contact: Michael Moriarty
Contact Phone: (334) 844-5894
RI Type: Nonprofit college or university