Multipoint Fiber Optic Sensor for Cryogenic Fuel Leak Detection

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$588,334.00
Award Year:
2001
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Award Id:
54992
Agency Tracking Number:
990639
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
2520 W. 237th St., Torrance, CA, 90505
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Edgar Ph.D.
Director, OSDM
() -
edmendoza@intopsys.com
Business Contact:
Reuben Sandler, Ph.D.
President & CEO
(310) 530-7130
rsandler@intopsys.com
Research Institute:
n/a
Abstract
Intelligent Optical Systems (IOS) Inc., a world leader in fiber optic sensing technology, proposes to develop a newmulti-point fiber optic sensors (MFOS) sensor system for the remote detection of cryogenic (hydrogen and oxygen) fuel leaks in evolved expandable launch vehicle (EELV) propulsion technology. The proposed fiber optic sensing technology is directly applicable to NASA's Integrated Vehicle Health Management (IVHM) strategy. MFOS system operation is based on the use of miniature optrodes (optical point sensors) sensitive to cryogenic fuel and effluent gases distributed at multiple locations along the length of an optical fiber bus. Using a novel fluorescence-based approach to hydrogen sensing allows common signal processing (quench-monitoring) for both oxygen and hydrogen; a third temperature-sensitive fluorescent optrode assures good performance over the entire 0F to 140 F temperature range. The proposed MFOS technology offers a low-cost, reliable solution to reducing planned ground processing (trouble shooting) through the predictive capabilities of real-time monitoring of system health and streamlined problem isolation, and will improve ground and flight safety through early detection and prediction of component failures and by improving visibility into critical safety systems.

* information listed above is at the time of submission.

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