表面压力分布成像帧率超过1khz使用多孔压敏涂料

20th International Congress on Instrumentation in Aerospace Simulation Facilities, 2003. ICIASF '03. Pub Date : 2003-08-25 DOI:10.1109/ICIASF.2003.1274888

Y. Sakamura, T. Suzuki, M. Matsumoto

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引用次数: 6

摘要

本研究的目的是证明多孔压敏涂料(PSP)在非定常流动中用于时间分辨表面压力测量的可行性。该多孔PSP由邻菲罗啉钌(II)配合物、Ru(Ph/sub - 2/-phen)和硅胶薄层色谱(TLC)铝板组成。将其应用于冲击波和脉冲射流产生的快速压力变化中，表征了多孔PSP的动态响应。利用快速分幅互补金属氧化物半导体(CMOS)相机，将多孔PSP应用于二维拉瓦尔喷嘴内流动的瞬态启动过程。实验结果表明，该成像系统能较好地捕捉喷管启动过程中激波运动等千赫兹量级的快速流动演变过程。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Surface pressure distribution imaging at frame rates over 1 kHz using porous pressure-sensitive paint

The aim of the present work is to demonstrate the feasibility of a porous pressure-sensitive paint (PSP) for time-resolved surface pressure measurements in unsteady flows. The porous PSP was composed of bathophenanthroline ruthenium(II) complex, Ru(Ph/sub 2/-phen), and a silica-gel thin-layer chromatography (TLC) aluminum plate. The dynamic response of the porous PSP was characterized by applying it to rapid pressure changes generated by a shock wave and a pulse-jet. The porous PSP was then applied to the transient starting process of flow in a two-dimensional Laval nozzle with a fast-framing complementary metal oxide semiconductor (CMOS) camera. It has been shown that the present imaging system can well capture a rapid flow evolution on the order of kilohertz such as shock wave motion in the nozzle during its starting process.

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20th International Congress on Instrumentation in Aerospace Simulation Facilities, 2003. ICIASF '03.

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