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OH, NO, and Soot Measurement in Diesel Spray Flames Using Laser Induced Fluorescence and Laser Induced Incandescence

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Abstract

Although the time-space mechanism of NOx formation in diesel injection combustion in high temperature and pressure has conventionally been pursued by the sampling method and so forth(1), the cause-effect relationship on its formation factors still remains to be more accurately clarified. In our present research, NO, OH and soot in diesel fuel flames from a single injection in high temperature and pressure were measured using a motoring compressed injection test system by applying laser induced fluorescence (LIF)(2)(3)(4)(5)(6) and laser induced incandescence (LU)(6)(7), both of which can provide unperturbed measurements necessary for clarifying formation characteristics of harmful exhaust substances from diesel fuel flames in high pressure.

© 1996 Optical Society of America

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