914 噴霧ノズルからのミスト噴霧状況に関する解析(OS12-(2) 流体工学・熱流体,オーガナイズドセッション)

概要

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We developed a discharge nozzle for the purpose of providing a water mist appropriate to fire extinguishment under low pressure. Using the nozzle, it was confirmed that oil fires (for example, diesel spray fire, gasoline pool fire, and so on) can be extinguished. It has an apparently simple atomization mechanism, but it is not clear how the dimensions of the nozzle parts affect the spraying behavior, which is also a very important problem from industrial viewpoint. Therefore, it is difficult to verify only by experiments. In this study, we tried to suggest a simple calculation model and analyze spraying behaviors of the nozzle with CFD. The calculated values were well coincident with the experimental values.
一般社団法人日本機械学会の論文
2009-08-25