DEVELOPMENT OF LASER LIFETIME PRESSURE SENSITIVE PAINT (PSP) TECHNIQUE FOR UNSTEADY MEASUREMENTS

被引：0

作者：

Aye-Addo, N. ^{[1
]}

Long, N. ^{[1
]}

Paniagua, G. ^{[1
]}

Saavedra, J. ^{[1
]}

机构：

[1] Purdue Univ, W Lafayette, IN 47907 USA

来源：

XXIV BIENNIAL SYMPOSIUM ON MEASURING TECHNIQUES IN TURBOMACHINERY | 2018年

关键词：

laser lifetime pressure sensitive paint; unsteady flow; turbine;

D O I：

暂无

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This paper describes the development of the laser lifetime PSP measurement techniques suitable for turbine unsteady flow investigation. The PSP formulation used for this analysis is tris(2,2'-bipyridyl) ruthenium 'Ru(bpy)' adsorbed on a porous Thin Layer Chromatograph (TLC) Aluminum Oxide plastic binder. Two calibration methods (apriori and in-situ) are used with a quasi-continuous burst-mode laser system. The PSP lifetime decay (< 5 mu s) of each pixel is measured with both Hyper Vision HPV-X2 Shimadzu and Photron FASTCAM SAZ cameras. The in-situ wind tunnel calibration is applied to a wall mounted hump test case which imposes a pressure gradient representative of the aft portion of low pressure airfoil suction side.

引用

页码：173 / 182

页数：10

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