K-1925 非定常噴流拡散火炎の成長過程におけるNOx生成量変化(S24-4 噴霧・噴流と燃焼)(S24 燃料噴霧,ガス流動,混合気形成過程)

概要

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The authors have been interested in a relationship between flame length of unsteady jet and NOx emission. It was predicted by their simple simulation that NO of unsteady jet flame is mainly formed in the region vicinity of the spray tip, where unsteady structure of species-concentration is dominant. Because of this fact they predicted that NO emission index has a peak, and beyond the peak low NO combustion may be accomplished. The purpose of the paper is to confirm the prediction experimentally. The result shows a tendency agreeing with the prediction, however the change is much smaller than the prediction. The paper presents a plan of the experimental system and shows a limited result of the experiment, although more data is necessary for the clear conclusion.
2001-08-22