Appl. Sci., Volume 9, Issue 8 (April-2 2019) – 206 articles
Cover Story (view full-size image): This study applied multiple high-speed optical imaging to investigate the interaction between the in-cylinder flow, the spark, the flame, and combustion performance. These individual elements have been studied closely in the literature, but the combined effect is not well understood. Simultaneous imaging of in-cylinder flow and flame tomography using high-speed particle image velocimetry (PIV), as well as simultaneous high-speed spark imaging, were applied to port-injected optical gasoline imaging. The result shows a trend that higher in-cylinder flow velocity near the spark will increase the stretch distance of the spark and decrease the ignition delay. View this paper
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