Influence of Formulations on Characteristics of Ruthenium-Based Temperature-Sensitive Paints

Tsubasa Ikami; Koji Fujita; Hiroki Nagai

doi:10.3390/s22030901

Influence of Formulations on Characteristics of Ruthenium-Based Temperature-Sensitive Paints

Tsubasa Ikami, Koji Fujita, Hiroki Nagai

Creative Flow Research Division

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Temperature-sensitive paint (TSP) can optically measure a global temperature distribution using a thermal quenching of dye molecules. The TSP measurement is often used in wind tunnel tests to measure the temperature and flow fields in the aerodynamic field. The measurement accuracy is affected by the characteristics of TSP, such as temperature sensitivity, pressure dependency, luminescent intensity, photostability, and surface condition. The characteristics depend on the formulation of TSP. This study investigates the characteristics of the TSP using dichlorotris (1,10-phenanthroline) ruthenium(II) hydrate (Ru-phen). We compare the characteristics of TSPs using different polymers, solvents, and dye concentrations. The TSPs using polyacrylic acid as a polymer shows linear calibration curves, high luminescent intensity, high photostability, and smooth surface. On the other hand, the TSPs using polymethyl methacrylate have nonlinear calibration curves, low luminescent intensity, strong photodegradation, and a rough surface.

Original language	English
Article number	901
Journal	Sensors
Volume	22
Issue number	3
DOIs	https://doi.org/10.3390/s22030901
Publication status	Published - 2022 Feb 1

Keywords

Luminescent intensity
Photodegradation
Pressure dependency
Surface roughness
Temperature sensitivity
Temperature-sensitive paint (TSP)

ASJC Scopus subject areas

Analytical Chemistry
Information Systems
Atomic and Molecular Physics, and Optics
Biochemistry
Instrumentation
Electrical and Electronic Engineering

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10.3390/s22030901

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title = "Influence of Formulations on Characteristics of Ruthenium-Based Temperature-Sensitive Paints",

abstract = "Temperature-sensitive paint (TSP) can optically measure a global temperature distribution using a thermal quenching of dye molecules. The TSP measurement is often used in wind tunnel tests to measure the temperature and flow fields in the aerodynamic field. The measurement accuracy is affected by the characteristics of TSP, such as temperature sensitivity, pressure dependency, luminescent intensity, photostability, and surface condition. The characteristics depend on the formulation of TSP. This study investigates the characteristics of the TSP using dichlorotris (1,10-phenanthroline) ruthenium(II) hydrate (Ru-phen). We compare the characteristics of TSPs using different polymers, solvents, and dye concentrations. The TSPs using polyacrylic acid as a polymer shows linear calibration curves, high luminescent intensity, high photostability, and smooth surface. On the other hand, the TSPs using polymethyl methacrylate have nonlinear calibration curves, low luminescent intensity, strong photodegradation, and a rough surface.",

keywords = "Luminescent intensity, Photodegradation, Pressure dependency, Surface roughness, Temperature sensitivity, Temperature-sensitive paint (TSP)",

author = "Tsubasa Ikami and Koji Fujita and Hiroki Nagai",

note = "Funding Information: Funding: This research was funded by JSPS KAKENHI JP17H03474. Publisher Copyright: {\textcopyright} 2022 by the authors. Licensee MDPI, Basel, Switzerland.",

year = "2022",

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doi = "10.3390/s22030901",

language = "English",

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AU - Ikami, Tsubasa

AU - Fujita, Koji

AU - Nagai, Hiroki

PY - 2022/2/1

Y1 - 2022/2/1

N2 - Temperature-sensitive paint (TSP) can optically measure a global temperature distribution using a thermal quenching of dye molecules. The TSP measurement is often used in wind tunnel tests to measure the temperature and flow fields in the aerodynamic field. The measurement accuracy is affected by the characteristics of TSP, such as temperature sensitivity, pressure dependency, luminescent intensity, photostability, and surface condition. The characteristics depend on the formulation of TSP. This study investigates the characteristics of the TSP using dichlorotris (1,10-phenanthroline) ruthenium(II) hydrate (Ru-phen). We compare the characteristics of TSPs using different polymers, solvents, and dye concentrations. The TSPs using polyacrylic acid as a polymer shows linear calibration curves, high luminescent intensity, high photostability, and smooth surface. On the other hand, the TSPs using polymethyl methacrylate have nonlinear calibration curves, low luminescent intensity, strong photodegradation, and a rough surface.

AB - Temperature-sensitive paint (TSP) can optically measure a global temperature distribution using a thermal quenching of dye molecules. The TSP measurement is often used in wind tunnel tests to measure the temperature and flow fields in the aerodynamic field. The measurement accuracy is affected by the characteristics of TSP, such as temperature sensitivity, pressure dependency, luminescent intensity, photostability, and surface condition. The characteristics depend on the formulation of TSP. This study investigates the characteristics of the TSP using dichlorotris (1,10-phenanthroline) ruthenium(II) hydrate (Ru-phen). We compare the characteristics of TSPs using different polymers, solvents, and dye concentrations. The TSPs using polyacrylic acid as a polymer shows linear calibration curves, high luminescent intensity, high photostability, and smooth surface. On the other hand, the TSPs using polymethyl methacrylate have nonlinear calibration curves, low luminescent intensity, strong photodegradation, and a rough surface.

KW - Luminescent intensity

KW - Photodegradation

KW - Pressure dependency

KW - Surface roughness

KW - Temperature sensitivity

KW - Temperature-sensitive paint (TSP)

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Influence of Formulations on Characteristics of Ruthenium-Based Temperature-Sensitive Paints

Abstract

Keywords

ASJC Scopus subject areas

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