A134 W/Oエマルジョン燃料滴のミクロ爆発時に発生する水蒸気量の計算式の提案(燃焼科学と技術の新展開III)

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This paper describes a mathematical model to calculate a mass of generated water vapor at micro-explosion by using the mass and energy conservation equations under some assumptions. To develop the mathematical model, single droplet experiment was carried out. A W/O emulsified fuel droplet suspended by thermocouple was heated by halogen spot heater, and micro-explosion was observed with high-speed video camera. During heating of droplet, the progress of the coalescence of dispersed water droplet was observed. The calculated mass of water vapor generated at micro-explosion was compared with mass of aggregated water droplet just before micro-explosion. As a result, the validity of the proposed model of micro-explosion was shown, and it was revealed that almost whole water droplet was changed to vapor at micro-explosion instantaneously.
2009-11-06