Abstract

Supersonic gas flow from an annular nozzle into a low-pressure chamber is studied numerically using kinetic and continuum approaches. Such flows find applications in gas-jet plasma-chemical technologies using an electron beam passing through an axial channel. The study is performed by using the direct simulation Monte Carlo method and by solving continuum equations using ANSYS Fluent software. It is shown that the solutions obtained are in good agreement with each other even in low-density regions of the electron beam channel. This leads to the conclusion that ANSYS Fluent software is suitable for simulating flows of this type.

中文翻译：

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超声速气体从环形喷嘴流入带有轴向通道的低压室：动力学和连续体解决方案

摘要

使用动力学和连续介质方法对从环形喷嘴进入低压室的超音速气流进行数值研究。这种流动在使用穿过轴向通道的电子束的气体喷射等离子体化学技术中得到应用。该研究是通过使用直接模拟蒙特卡罗方法并使用 ANSYS Fluent 软件求解连续介质方程来进行的。结果表明，即使在电子束通道的低密度区域，所获得的解也彼此吻合良好。由此得出结论：ANSYS Fluent 软件适合模拟此类流动。