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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >The propagation of shock waves in a channel of variable cross section containing a dusty gas
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The propagation of shock waves in a channel of variable cross section containing a dusty gas

机译：冲击波在含有尘埃气体的可变截面通道中的传播

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摘要

An analytic solution is obtained for one-dimensional adiabatic flow behind converging shock waves propagating through a channel of variable cross section containing a dusty gas. The dusty gas is assumed to be a mixture of a perfect gas and small solid particles, in which solid particles are continuously distributed. In order to obtain the analytical solutions, the Whitham's geometrical shock dynamics method is employed and the initial density of the ambient medium is assumed to be constant. The effects of the variation of cross-sectional area of channel on the flow variables immediately behind the shock are investigated. The effects of increase in (i) the mass fraction (concentration) of solid particles in the mixture and (ii) the ratio of the density of solid particles to the initial density of the gas on the flow variables are also discussed in comparison with a non-dusty gas case.
机译：对于在通过包含灰尘的气体的可变截面的通道传播的会聚冲击波之后的一维绝热流，获得了解析解。假定粉尘气体是理想气体和小固体颗粒的混合物，其中固体颗粒连续分布。为了获得解析解，采用了Whitham的几何冲击动力学方法，并且假定环境介质的初始密度是恒定的。研究了通道横截面积变化对冲击后紧随其后的流动变量的影响。还与（a）比较讨论了（i）混合物中固体颗粒的质量分数（浓度）和（ii）固体颗粒密度与气体初始密度之比对流量变量的影响。非尘土飞扬的情况。

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