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Sensors 2018, 18(1), 26; https://doi.org/10.3390/s18010026

Uniformity Study of Two-Functional Luminescent Dyes Adsorbed over an Anodized Aluminum Coating for Motion-Capturing Pressure- and Temperature-Sensitive Paint Imaging

1
Mechanical Section, Second Forensic Science Division, National Research Institute of Police Science, Kashiwa 277-0882, Japan
2
Department of Mechanical Engineering and Intelligent System, University of Electro-Communications, Chofu 182-8585, Japan
3
Department of Aerospace and Mechanical Engineering, University of Notre Dame, Notre Dame, IN 46556, USA
*
Author to whom correspondence should be addressed.
Received: 16 October 2017 / Revised: 19 December 2017 / Accepted: 20 December 2017 / Published: 23 December 2017
(This article belongs to the Special Issue Novel Sensors for Bioimaging)
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Abstract

The pressure- and temperature-sensitive paint (PSP/TSP) technique, for steady-state and unsteady-state measurements, is becoming widespread. However, unsteady quantitative measurement is still difficult because non-uniform distribution of the probes over a test model may cause errors in the results. We focus on the dipping method that applies two luminophores into a binding material to improve sensitivity uniformity over a model surface. A bullet-shaped axisymmetric test model with motion-capturing TSP was used to evaluate the sensitivity uniformity, and three dipping methods (static, convectional, and rotational) were examined. The average peak ratios in the longitudinal direction were 1.17–1.46 for static, 1.38–1.51 for convectional, and 1.42–1.45 for rotational dipping. The standard deviations in the transverse direction were the smallest for rotational (0.022–0.033), relative to static (0.086–0.104), and convectional (0.044–0.065) dipping. View Full-Text
Keywords: sensitivity uniformity; PSP/TSP; unsteady measurement; dual luminescence sensitivity uniformity; PSP/TSP; unsteady measurement; dual luminescence
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Ishii, M.; Miyazaki, T.; Sakaue, H. Uniformity Study of Two-Functional Luminescent Dyes Adsorbed over an Anodized Aluminum Coating for Motion-Capturing Pressure- and Temperature-Sensitive Paint Imaging. Sensors 2018, 18, 26.

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