NASA NTRS · 19740000208
Visualization of smoke stack plume
Abstract
System consists of ultraviolet vidicon tube, interference and color filters, ultraviolet telephoto lens, monitor, and waveform analyzer to extract information from video scene, stack plume viewed against sky. System will view SO2 and any other element which absorbs light at wavelength used.
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Exton, R. J.. 1974-11-01. Visualization of smoke stack plume. https://ntrs.nasa.gov/citations/19740000208
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