Simultaneous luminescence pressure and temperature mapping

Details Simultaneous luminescence pressure and temperature mapping Simultaneous luminescence pressure and temperature mapping

1996-10-07

1998-10-06

Hannaher, Constantine

Radiant energy

Luminophor irradiation

Methods

G01N 2164

Patent

active

058180575

ABSTRACT:
A simultaneous luminescence pressure and temperature mapping system is developed including improved dye application techniques for surface temperature and pressure measurements from 5 torr to 1000 torr with possible upgrade to from 0.5 torr to several atmospheres with improved camera resolution. Adsorbed perylene dye on slip-cast silica is pressure (oxygen) sensitive and reusable to relatively high temperatures (.about.150.degree. C.). Adsorbed luminescence has an approximately linear color shift with temperature, which can be used for independent temperature mapping and brightness pressure calibration with temperature.

REFERENCES:
patent: 4885633 (1989-12-01), Buck
patent: 5151603 (1992-09-01), Nakamura
patent: 5341676 (1994-08-01), Gouterman et al.

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