Formulations and method of use of pressure sensitive paint

Details Formulations and method of use of pressure sensitive paint Formulations and method of use of pressure sensitive paint

1995-06-07

1997-03-18

Chilcot, Richard

Measuring and testing

Wind tunnel: aerodynamic wing and propeller study

73705, G01M 900, G01L 900

Patent

active

056124929

ABSTRACT:
A pressure sensitive paint is coated onto the surface over which a pressure distribution is to be measured, such as in a wind-tunnel test of an aerodynamic body. A pressure sensitive paint is a mixture of a photoluminescent-compatible, oxygen-permeable binder that is a mixture of silanol-terminated polydimethylsiloxane and methyltriacetoxysilane, and a photoluminescent active agent such as tris(4,7-diphenyl-1,10-phenanthroline) ruthenium(II) chloride pentahydrate. The binder and active agent are placed into an appropriate amount of a solvent for the binder and the active agent, such as dichloromethane, and applied to a surface. In testing of the surface such as wind tunnel testing, the active agent quantitatively luminesces responsive to the local external pressure at the surface.

REFERENCES:
patent: 5162407 (1992-11-01), Turner
patent: 5186046 (1993-02-01), Gouterman et al.
patent: 5307675 (1994-05-01), Mosharov et al.
patent: 5359887 (1994-11-01), Schwab et al.

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