Cycle-resolved measurements of the fuel concentration near a spark plug in an SI engine using an in-situ laser absorption method

N. Kawahara; E. Tomita; K. Hayashi

Cycle-resolved measurements of the fuel concentration near a spark plug in an SI engine using an in-situ laser absorption method

N. Kawahara, E. Tomita, K. Hayashi

Research output: Contribution to conference › Paper › peer-review

Abstract

This paper describes the application of a spark plug sensor using a 3.392 μm infrared absorption technique to quantify the instantaneous gasoline concentration near the spark plug inside the engine cylinder. The mixture formation process near the spark plug in a port-injected spark-ignition (SI) engine was examined for different fuel injection timings, and determined that when the injection timing was delayed, a rich mixture remained near the top of the combustion chamber. Cyclic variations of fuel concentration at the spark timing were investigated.

Original language	English
Publication status	Published - Jan 1 2007
Event	6th Asia-Pacific Conference on Combustion, ASPACC 2007 - Nagoya, Japan Duration: May 20 2007 → May 23 2007

Conference

Conference	6th Asia-Pacific Conference on Combustion, ASPACC 2007
Country	Japan
City	Nagoya
Period	5/20/07 → 5/23/07

ASJC Scopus subject areas

Chemical Engineering(all)
Energy Engineering and Power Technology
Fuel Technology
Condensed Matter Physics

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title = "Cycle-resolved measurements of the fuel concentration near a spark plug in an SI engine using an in-situ laser absorption method",

abstract = "This paper describes the application of a spark plug sensor using a 3.392 μm infrared absorption technique to quantify the instantaneous gasoline concentration near the spark plug inside the engine cylinder. The mixture formation process near the spark plug in a port-injected spark-ignition (SI) engine was examined for different fuel injection timings, and determined that when the injection timing was delayed, a rich mixture remained near the top of the combustion chamber. Cyclic variations of fuel concentration at the spark timing were investigated.",

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AU - Tomita, E.

AU - Hayashi, K.

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N2 - This paper describes the application of a spark plug sensor using a 3.392 μm infrared absorption technique to quantify the instantaneous gasoline concentration near the spark plug inside the engine cylinder. The mixture formation process near the spark plug in a port-injected spark-ignition (SI) engine was examined for different fuel injection timings, and determined that when the injection timing was delayed, a rich mixture remained near the top of the combustion chamber. Cyclic variations of fuel concentration at the spark timing were investigated.

AB - This paper describes the application of a spark plug sensor using a 3.392 μm infrared absorption technique to quantify the instantaneous gasoline concentration near the spark plug inside the engine cylinder. The mixture formation process near the spark plug in a port-injected spark-ignition (SI) engine was examined for different fuel injection timings, and determined that when the injection timing was delayed, a rich mixture remained near the top of the combustion chamber. Cyclic variations of fuel concentration at the spark timing were investigated.

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