熱工学コンファレンス講演論文集
Online ISSN : 2424-290X
セッションID: F232
会議情報
F232 CO_2溶解エマルジョン燃料の二次微粒化挙動と噴霧火炎特性(OS-03:革新的技術のための燃焼研究(5))
渡部 弘達東海林 豊山垣 拓馬林 潤赤松 史光岡崎 健
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会議録・要旨集 フリー

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抄録
Secondary atomization behavior and spray flame characteristics of carbonated W/O emulsified fuel were studied. An emulsified fuel or carbonated emulsified fuel was injected into a flame stabilized in a laminar counterflow field. Direct photography of the flame using a color high-speed video camera and magnified shadow imaging of spray droplets using a monochrome high-speed video camera were used. As a result, tip position of spray flame became shorter and spray flame was compact when carbonated emulsified fuel was used. This was because dissolved CO_2 enhanced secondary atomization, leading to improvement of fuel vapor ignition at upstream region. Secondary atomization behavior of carbonated emulsified fuel droplet was also observed at upstream region.
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