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首页> 外文会议>International Conference on Microchannels and Minichannels >AEROSOL PARTICLE DEPOSITION IN A T-SHAPED MICRO MIXER
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AEROSOL PARTICLE DEPOSITION IN A T-SHAPED MICRO MIXER

机译：在T形微混合器中的气溶胶颗粒沉积

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Micro technology supported aerosol processes provide a basis for integrated control of complex processes and therefore a promising research subject. A key aspect in aerosol technology is to control particle deposition, either to avoid clogging or to achieve a well defined coating of surfaces. As a first step we conducted an experimental and theoretical study of the particle deposition in a simple static T-shaped micro mixer. For the experiments monodisperse sodium chloride particles in the particle size range between 10 nm and 700 nm were used. The aerosol was introduced into one branch of the micro reactor and mixed with a particle-free air stream. The predominant particle deposition effect within the mixer is due to impaction, which is induced by the high curvature of stream lines at the inlet and in the mixing zone. Additional CFD calculations confirm the experimental results and show ways of optimizing the inlet geometry of the mixer, which should result in a significant reduction in impaction losses.
机译：Micro Technology支持气溶胶过程为复杂过程的综合控制提供了基础，因此是一个有前途的研究主体。气溶胶技术中的一个关键方面是控制粒子沉积，以避免堵塞或实现良好定义的表面涂层。作为第一步，我们对简单静态T形微混合器中的颗粒沉积进行了实验和理论研究。对于实验，使用粒度在10nm和700nm之间的粒度范围内的单分散氯化钠颗粒。将气溶胶引入微反应器的一个分支中并与无颗粒空气流混合。混合器内的主要颗粒沉积效果是由于施加，其由入口和混合区中的流线的高曲率诱导。额外的CFD计算证实了实验结果，并显示了优化混合器的入口几何形状的方法，这应该导致撞击损耗显着降低。

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