石油残渣エマルジョン燃料(RWM)のミクロ爆発挙動 : RWMのミクロ爆発発生要因(熱工学,内燃機関,動力など)

概要

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Combustion experiments were carried out for four kinds of single droplet emulsified fuels; Asphalt/Water (As100), Pitch/Water(Pi100) and their mixing emulsions (As50 and As70). It was observed As100 had intensive microexplosion phenomena, however, it could never be seen in Pi100. The As70 and As50 also induced microexplosion and their combustion times were shorter than a half value of Pi100, so that the mixed fuels are efficient for using pitch as a thermal energy resource. The experiments of thermal analysis (TG/DTA) were carried out for making clear the cause of microexplosion. It could be seen in As70 and As50 as well as As100 that the water phase was drained in the emulsion at the specific point of decreasing TG curve before the saturation temperature (100℃) like Ref.(5), however, the TG curve of Pi100 showed only gradual decrease curve without the specific point. The occurrence of microexplosion can be explained by the facts and it may depend on the distillation property of neat mother oil playing an important role to microexplosion.
社団法人日本機械学会の論文
2002-11-25