期刊
COMBUSTION AND FLAME
卷 189, 期 -, 页码 207-211出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.combustflame.2017.10.035
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资金
- AFOSR
- High Speed Systems Division, Aerospace Systems Directorate, AFRL/RQH
This communication describes and demonstrates an approach to making simultaneous multi-scalar measurements with reduced equipment requirements. Specifically, this letter describes and demonstrates the ability to simultaneously acquire high-quality planar laser-induced fluorescence (PLIF) images of CH2O and either CH, OH, or a combination of CH and OH using a single Nd:YAG-pumped dye-laser system and two intensified cameras. Acquiring these images with common diagnostic equipment was facilitated by exciting strong transitions in the C-X (0,0) band of CH (near 314nm) and in the A-X (0,0) and (1.1) bands of OH, which are spectrally adjacent. Additionally, Rayleigh scattering images were acquired simultaneously with these PLIF images using a second Nd:YAG laser and an un-intensified camera. However, it would be possible to conduct these measurements with a single, sufficiently energetic Nd:YAG laser. (C) 2017 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
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