Friction-Sensing Retroreflector Array Patches (FRAP)

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$99,980.00
Award Year:
2008
Program:
SBIR
Phase:
Phase I
Contract:
NNX08CB37P
Award Id:
87987
Agency Tracking Number:
075176
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
4325-B Forbes Blvd., Lanham, MD, 20706
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
076337877
Principal Investigator:
John Kline
Principal Investigator
(732) 329-3700
kline@researchsupport.com
Business Contact:
Christopher Rollins
Vice President
(301) 306-0010
rollins@researchsupport.com
Research Institution:
n/a
Abstract
Research Support Instruments, Inc. (RSI) proposes to develop the Friction-Sensing Retroreflector Array Patches (FRAP), a technology that will measure the shear stress distribution on aerodynamic surfaces in ground test facilities with high resolution, sensitivity, and bandwidth. Unlike the oil-film interference method, FRAP patches will not be thinned as a function of time during a test. No knowledge of the streamlines of the flow will be needed in order to calculate the local stress distribution; this will avoid the tracers needed with the oil-film interference approach. Flexible patches of FRAP arrays, inexpensive due to simple, mass-production-compatible microfabrication techniques, will be interrogated using a light source and camera. FRAP will be independent of the flow species and applied as a very thin, flexible, adhesive material. The Phase I goals will be to design sensors, develop a microfabrication technique and use it to fabricate prototype units, demonstrate feasibility, and select the most promising design for Phase II development. In Phase II, the prototype units will be field-demonstrated at NASA facilities, with manufacturing issues and realistic operating conditions addressed. The result will be a product that will address a critical NASA instrumentation need.

* information listed above is at the time of submission.

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