中文摘要：

采用ANSYS软件建立了超高压微型反应器的三维模型,并对整个计算区域采用结构和非结构网格进行离散处理.运用Fluent软件分别对同向撞击流反应器和同轴相向撞击流反应器的速度场进行了模拟,研究了在相同高压下两种不同结构的撞击流反应器内部的速度场.结果表明,在相同的高压下,同轴相向撞击流反应器内的速度明显大于同向撞击流反应器内的速度,同轴相向撞击流反应器能产生更高的动能,这会增强反应器内部流场的湍动混合和撞击效果,为进一步优化超高压微型撞击流反应器的结构提供参考.

英文摘要：

Flowing models of ultra-high pressure micro reactor was established by ANSYS software.The discrete processing of the whole computational domain was conducted by using the structured grids and unstructured grids.Then Fluent software was applied to simulate the velocity field of same direction impinging stream reactor and coaxial opposite direction impinging stream reactor.The inner velocity field of two different structures impinging stream reactors under the same high pressure was investigated.The results showed that the speed of the coaxial opposite direction impinging stream reactor＇s velocity was evidently higher than that of the same direction impinging stream reactor＇s,thus could generate higher dynamic energy which would enhance the internal filed turbulent mixing and impacting effect.All of these researches provided references for further optimizing the structure of the ultra-high pressure micro impinging stream reactor.