1 July 1990 Image intensification with high-speed videography for flame propagation studies
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Abstract
In the past, analysis of flame propagations within a spark ignition engine combustion chamber has been analyzed with pressure diagrams. These pressure diagrams have helped to develop the geometry within the combustion chamber. Photographing or electronically imaging the flame propagations are very important in the visualization of combustion characteristics. Attempts to use intensification with videography have met with limited success. A new integrated intensified imager is now available which works in conjunction with the KODAK EKTAPRO 1000 Motion Analyzer. The intensified imager to be discussed uses a two stage intensifier coupled to a solid-state sensor array. The first stage shutters the image at microsecond rates. The second stage amplifies the light from the first stage over a short integration period. The coupling of these two stages to Kodak's 1000 frame per second motion analyzer has significantly extended the use of high speed videography for flame propagation studies. This paper will address the imaging requirements for flame propagation studies and the methods for performing analysis using an intensified imager.
© (1990) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kris S. Balch "Image intensification with high-speed videography for flame propagation studies", Proc. SPIE 1243, Electron Image Tubes and Image Intensifiers, (1 July 1990); doi: 10.1117/12.19462; https://doi.org/10.1117/12.19462
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