Diagnostic of supersonic O2(a1delta)/I2 mixing flow field with chemical fluorescence method

Zengqiang Wang; Fengting Sang; Yuelong Zhang; Xiaokang Hui; Mingxiu Xu; Peng Zhang; Weili Zhao; Benjie Fang; Liping Duo; Yuqi Jin

doi:10.1117/12.2014075

30 January 2013 Diagnostic of supersonic O₂(a¹Δ)/I₂ mixing flow field with chemical fluorescence method

Zengqiang Wang, Fengting Sang, Yuelong Zhang, Xiaokang Hui, Mingxiu Xu, Peng Zhang, Weili Zhao, Benjie Fang, Liping Duo, Yuqi Jin

Author Affiliations +

Proceedings Volume 8677, XIX International Symposium on High-Power Laser Systems and Applications 2012; 86770B (2013) https://doi.org/10.1117/12.2014075
Event: XIX International Symposium on High-Power Laser Systems and Applications, 2012, Istanbul, Turkey

Abstract

A fluorescence image detection system that can visualize the COIL hot mixing flow field by taking images of the fluorescence of active I₂ with a high speed camera was set up. Based on the captured flow field image, O₂(a¹Δ)/I₂ mixing quality was evaluated quantitively by an exclusive image processing program. With this method, the hot supersonic mixing flow field in COIL which uses parallel stream supersonic mixing nozzles with a set of trip tabs was investigated. Meanwhile the effectiveness of the trip tabs was demonstrated.

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Zengqiang Wang, Fengting Sang, Yuelong Zhang, Xiaokang Hui, Mingxiu Xu, Peng Zhang, Weili Zhao, Benjie Fang, Liping Duo, and Yuqi Jin "Diagnostic of supersonic O₂(a¹Δ)/I₂ mixing flow field with chemical fluorescence method", Proc. SPIE 8677, XIX International Symposium on High-Power Laser Systems and Applications 2012, 86770B (30 January 2013); https://doi.org/10.1117/12.2014075

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