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Development and characterization of fast responding pressure sensitive microspheres
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10.1063/1.2952502
/content/aip/journal/rsi/79/7/10.1063/1.2952502
http://aip.metastore.ingenta.com/content/aip/journal/rsi/79/7/10.1063/1.2952502

Figures

Image of FIG. 1.
FIG. 1.

Pressure sensitive osmium luminophors used in novel set of PSPs.

Image of FIG. 2.
FIG. 2.

SEM image of osmium-doped, porous silicon dioxide microspheres.

Image of FIG. 3.
FIG. 3.

Schematic of the shock tube facility constructed at the University of Washington.

Image of FIG. 4.
FIG. 4.

diagram of the theoretical shockwave behavior within the shock tube. Initial driven and driver pressures are 68.5 and , respectively. Samples are located from the diaphragm. Initial time, corresponds to the moment of diaphragm bursting.

Image of FIG. 5.
FIG. 5.

Comparison of the theoretical model to pressure measurements from the pressure transducer and a 1%, 1:83 PtTFPP:MAX on TLC PSP.

Image of FIG. 6.
FIG. 6.

A priori and in situ calibration curves of 1%, 1:83 PtTFPP:MAX on TLC. Stern–Volmer parameters of and 0.33 and and 0.66, respectively, were obtained from linear fits.

Image of FIG. 7.
FIG. 7.

Response times of various platinum-based PSPs to the passing shockwave.

Image of FIG. 8.
FIG. 8.

Response of Os-based PSPs to the passing shockwave.

Image of FIG. 9.
FIG. 9.

Response of PSBeads (PtOEP in a polystyrene microsphere).

Image of FIG. 10.
FIG. 10.

Response of osmium-based silicon dioxide microspheres to the passing shockwave.

Tables

Generic image for table
Table I.

A priori and in situ Stern–Volmer parameters of various platinum-based PSPs, where represents the intercept and represents the slope (and thus sensitivity of the PSP) of a linear best fit.

Generic image for table
Table II.

and 90% rise times of various platinum-based PSPs.

Generic image for table
Table III.

and 90% rise times of Os-based PSPs.

Generic image for table
Table IV.

A priori and in situ Stern–Volmer parameters of various osmium-based PSPs.

Generic image for table
Table V.

A priori and in situ Stern–Volmer parameters of PSBeads.

Generic image for table
Table VI.

and 90% rise times of osmium-based silicon dioxide microspheres.

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/content/aip/journal/rsi/79/7/10.1063/1.2952502
2008-07-10
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Development and characterization of fast responding pressure sensitive microspheres
http://aip.metastore.ingenta.com/content/aip/journal/rsi/79/7/10.1063/1.2952502
10.1063/1.2952502
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