MEMS Skin Friction Sensor

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$749,831.00
Award Year:
2012
Program:
SBIR
Phase:
Phase II
Contract:
NNX12CA75C
Award Id:
n/a
Agency Tracking Number:
105478
Solicitation Year:
2010
Solicitation Topic Code:
A4.01
Solicitation Number:
n/a
Small Business Information
FL, Gainesville, FL, 32652-4061
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
113641695
Principal Investigator:
Tai-AnChen
Principal Investigator
(937) 361-7711
taianchen@gmail.com
Business Contact:
LouisCattafesta
President
(352) 359-4691
cattafes@GMAIL.COM
Research Institute:
Stub




Abstract
Interdisciplinary Consulting Corporation proposes a sensor that offers the unique capability to make non-intrusive, direct, simultaneous mean and fluctuating shear stress measurement for subsonic and transonic test applications. Currently a standard for shear stress measurement tool does not exist. A precise silicon micromachined, differential capacitive, instrumentation grade sensor will facilitate skin friction measurement with high bandwidth, high resolution, and minimal sensitivity to extraneous inputs such as pressure. The proposed sensor possesses through wafer vias for backside electrical contacts to enable non-intrusive measurements in turbulent boundary layers. A robust and compact package with miniature interface electronics enables flush sensor mounting conformal with the surface. Circuit topology development for biasing and signal conditioning provides the ability to make simultaneous mean and dynamic shear stress measurement. The sensor performance will exceed its predecessors and set the standard for quantitative skin friction measurements. The simplicity of sensor design and an equally simple and proven fabrication technique allows for low cost, high performance skin friction sensors.

* information listed above is at the time of submission.

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