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首页> 外文期刊>International journal of nonlinear sciences and numerical simulation >Three-Dimensional Numerical Study of Flow Structures of Impinging Jets in Y-typed Micro-mixers
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Three-Dimensional Numerical Study of Flow Structures of Impinging Jets in Y-typed Micro-mixers

机译：Y型微混合器中冲击射流流动结构的三维数值研究

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The miniaturization of equipment to perform chemical reactions requires the use of micro structures in the design. However, fouling or precipitation can be found in micro structures of such devices, especially for cases when the devices are not designed to avoid unwanted fouling or the chemical protocol is not well suited. Impinging jet micromixers provide a solution against fouling and blocking because the reaction takes place within a free flowing jet outside of the internal microstructures. In this paper a fluid mechanics simulation is thus performed based on a three-dimensional finite volume method in order to optimize the design of the impinging micromixers. It is found that the angle of the jets and the jet speed have an important influence on the mixing quality while the effect of density ratio of the two fluids is insignificant.
机译：进行化学反应的设备的小型化要求在设计中使用微结构。但是，在此类设备的微结构中会发现结垢或沉淀，尤其是在设备未设计为避免不必要的结垢或化学方案不太适合的情况下。撞击式射流微混合器提供了一种防止结垢和阻塞的解决方案，因为反应发生在内部微结构外部的自由流动射流内。因此，本文基于三维有限体积方法进行了流体力学仿真，以优化撞击式微混合器的设计。已发现，射流的角度和射流速度对混合质量有重要影响，而两种流体的密度比的影响则微不足道。

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