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A Study on the Application of the Two–Color Method to the Measurement of Flame Temperature and Soot Concentration in Diesel Engines
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Abstract
Flame temperature and KL factor in a DI diesel engine are measured optically by the two-color method. Some differences are observed between the measure values at visible and infrared wavelengths. These differences are caused by: (1) effect of change of index α in time at infrared wavelength during combustion period; (2) effect of distributions of temperature and soot concentration along optical path; and (3) effect of reflection at the walls.
The optical characteristics and some other problems on the instrumentation of the two-color method at both wavelengths are also discussed.
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Citation
Matsui, Y., Kamimoto, T., and Matsuoka, S., "A Study on the Application of the Two–Color Method to the Measurement of Flame Temperature and Soot Concentration in Diesel Engines," SAE Technical Paper 800970, 1980, https://doi.org/10.4271/800970.Also In
New Diesel Engines, Combustion, and Emissions Research in Japan
Number: SP-0468; Published: 1980-09-01
Number: SP-0468; Published: 1980-09-01
References
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