Three-gate lifetime imaging system for pressure-sensitive paint measurements

被引：0

作者：

Mitsuo, Kazunori ^{[1
,4
,5
]}

Asai, Keisuke ^{[2
,5
,6
]}

Suzuki, Hitoshi ^{[3
,7
]}

Mizushima, Hiroshi ^{[3
,7
]}

机构：

[1] Japan Aerospace Exploration Agency, Tokyo 182-8522, Japan

[2] Tohoku University, Mivagi 980-8579, Japan

[3] Hamamatsu Photonics K.K, Shizuoka 431-3196, Japan

[4] Aerodynamics Research Group, Institute of Space Technology and Aeronautics

[5] AIAA

[6] Departrnent of Aerospace Engineering, School of Engineering

[7] System Design 1

来源：

AIAA Journal | 2006年 / 44卷 / 03期

关键词：

A lifetime imaging system to measure simultaneously pressure and temperature images from a luminescent lifetime decay of pressure-sensitive paint (PSP) has been developed. The dependence of the luminescent lifetime decays on pressure and temperature was clarified by analysis of PtTFPP PSP using a streak camera. The method is proposed to acquire pressure and temperature images from three luminescent images. The three gated times of an intensified charge-coupled device camera were determined; referring to the analysis of streak camera data. The performance of the measurement system was evaluated over the wide range of pressures and temperatures using a PSP-coated coupon. The ratioed lifetime images could be fitted with a smooth function of pressure and temperature. This allowed reconstruction of pressure and temperature images from three luminescent lifetime images. As a verification test; pressure and temperature distributions induced by a sonic-jet impingement flow were visualized. PSP data agreed with pressure tap data; indicating that this lifetime imaging system was a useful tool to measure pressure and temperature fields on an aerodynamic model surface;

D O I：

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中图分类号：

学科分类号：

摘要：

Conference article (CA)

引用

页码：600 / 607

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