A high speed two wavelength holographic interferometer is being used to simultaneously measure temperature and concentration distributions for ignition and flame spread. Lines from a cw CO2 laser were used and the holograms recorded on a movie at 500 frames per/sec, individual frames were digitized with a microdensitometer. The detection on the fringe center was a major problem.
Temperature and concentration measurements in combustion
1987-05-01
Conference paper
No indication
English
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