The Method of Measuring Air-Fuel Ratio by Radical Luminescence in High Combustion Pressure

Paper #:
  • 1999-01-0507

Published:
  • 1999-03-01
Citation:
Sawada, H., Suzuki, T., Oguri, Y., and Yoshida, M., "The Method of Measuring Air-Fuel Ratio by Radical Luminescence in High Combustion Pressure," SAE Technical Paper 1999-01-0507, 1999, https://doi.org/10.4271/1999-01-0507.
Pages:
10
Abstract:
The relations of luminous intensity of the radicals, CH, C2, and OH radical, and the equivalence ratio, ϕ under high combustion pressure region (7.0MPa maximum) were investigated. Luminous intensity of each radical and combustion pressure were experimentally obtained using a constant volume combustion chamber. It was found that luminous intensity of each radical can be expressed as a function of ϕ and the combustion pressure. The estimation of ϕ was done within the region, 0.8<ϕ<1.2 and 2.0MPa
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