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      Optimization of Anodized-Aluminum Pressure-Sensitive Paint by Controlling Luminophore Concentration

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          Abstract

          Anodized-aluminum pressure-sensitive paint (AA-PSP) has been used as a global pressure sensor for unsteady flow measurements. We use a dipping deposition method to apply a luminophore on a porous anodized-aluminum surface, controlling the luminophore concentration of the dipping method to optimize AA-PSP characteristics. The concentration is varied from 0.001 to 10 mM. Characterizations include the pressure sensitivity, the temperature dependency, and the signal level. The pressure sensitivity shows around 60 % at a lower concentration up to 0.1 mM. Above this concentration, the sensitivity reduces to a half. The temperature dependency becomes more than a half by setting the luminophore concentration from 0.001 to 10 mM. There is 3.6-fold change in the signal level by varying the concentration. To discuss an optimum concentration, a weight coefficient is introduced. We can arbitrarily change the coefficients to create an optimized AA-PSP for our sensing purposes.

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          Most cited references 7

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          Fluorescence Polarization

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            Luminophore application method of anodized aluminum pressure sensitive paint as a fast responding global pressure sensor

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              Accuracy of Pressure-Sensitive Paint

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                Author and article information

                Journal
                Sensors (Basel)
                Sensors (Basel, Switzerland)
                Molecular Diversity Preservation International (MDPI)
                1424-8220
                2010
                16 July 2010
                : 10
                : 7
                : 6836-6847
                Affiliations
                Aerodynamic Research and Development Directorate, Japan Aerospace Exploration Agency/Chofu, Tokyo 182-8522, Japan; E-Mail: kekoi@ 123456chofu.jaxa.jp
                sensors-10-06836-v2
                10.3390/s100706836
                3231135
                22163579
                © 2010 by the authors licensee MDPI, Basel, Switzerland.

                This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license ( http://creativecommons.org/licenses/by/3.0/).

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