0106 作動ガスの種類に着目した大気圧非平衡プラズマジェットの特性評価(OS1-1 噴流,後流および剥離流れの流動解析と応用,オーガナイズドセッション)

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  • 0106 Characteristics of Atmospheric Non-thermal Plasma Jet Focus on Working Gases

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This study was focused on the nature of fluctuation in an atmospheric microwave plasma jet. The plasma jet is issued into the ambient air. Two kinds gases were used : nitrogen and argon. It was clarified that the detailed behavior of the plasma jet is mainly dependent on the gas being used, and also observed that the argon plasma jet heaves for large flow rate although the nitrogen plasma jet has no fluctuation. The heaving frequency increases approximately linearly with gas flow rate. Moreover, the velocity measurement of gas flow with no microwave supply was conducted by PIV, then the each velocity field is remarkably different for Q=2 1/min by the difference in density of the gases.

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