Capacitance-Based Turbine Blade Vibration Monitor

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$0.00
Award Year:
2001
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Agency Tracking Number:
992122
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
Aerogage Corporation
22 Duggan Road, PO Box 733, Acton, MA, 01720
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Wayne Haase
Ph. D.
() -
wchaase@bicnet.net
Business Contact:
Wayne Haase
President
(978) 635-9515
wchaase@bicnet.net
Research Institution:
n/a
Abstract
Prevention of catastrophic failure of engine components is a major goal to the subtopic. Catastrophic failures of turbine engines are often caused by vibration-induced compressor and fan blade fatigue fractures. Existing capacitance systems have been unable to accurately measure blade vibration due to limited spatial resolution and limited system bandwidth. The proposed effort will develop a new capacitive system with significantly higher spatial resolution and wider bandwidth to provide high-accuracy time-of-arrival measurements for computing blade vibration. Successful demonstration of feasibility of the capacitive probe and electronics will lead to development of monitoring systems suitable for use on new engines as well as for retrofit on existing engines. The ability to detect excessibe blade vibration in flight will allow the pilot to change the engine operating parameters and thus prevent the occurrence of safety-significant blade fractures.

* information listed above is at the time of submission.

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