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A Two-Tracer LIF Strategy for Quantitative Oxygen Imaging in Engines Applied to Study the Influence of Skip-Firing on In-Cylinder Oxygen Contents of an SIDI Engine
Technical Paper
2003-01-1114
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The effect of skip-firing (which is often applied in optical engine work) on the available in-cylinder oxygen concentration was investigated with a laser-induced fluorescence imaging setup that combines the measurement of fluorescence signals from toluene and 3-pentanone to quantitatively determine the distribution of molecular oxygen. We describe in detail the image processing procedure for this measurement. The reduction of in-cylinder oxygen when switching from skip-fired to continuous-fired engine operation is measured and compared to traditional exhaust measurements.
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Citation
Frieden, D. and Sick, V., "A Two-Tracer LIF Strategy for Quantitative Oxygen Imaging in Engines Applied to Study the Influence of Skip-Firing on In-Cylinder Oxygen Contents of an SIDI Engine," SAE Technical Paper 2003-01-1114, 2003, https://doi.org/10.4271/2003-01-1114.Also In
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