Monodisperse droplet spray dryers have great advantages in particle formation through spray drying because of their ability to produce uniform sized particles. Experimental analyses of this system have shown that droplets atomized through the piezoceramic nozzle need to be sufficiently well dispersed before entering the drying chamber to achieve sufficiently dried particles. However, the dispersion dynamics cannot be readily observed because of experimental limitations, and key factors influencing the dispersion state currently remain unclear. This study carried out numerical simulations for droplet dispersions in the dispersion chamber, which allow this important process to be visualized. The systematic and quantitative analyses on the dispersion states provide valuable data for improving the design of the dispersion chamber, and optimizing the spray drying operation.

单分散液滴喷雾干燥器在通过喷雾干燥形成颗粒方面具有​​很大的优势，因为它们具有产生均一尺寸的颗粒的能力。该系统的实验分析表明，通过压电陶瓷喷嘴雾化的液滴在进入干燥室之前需要充分分散，以获得足够干燥的颗粒。然而，由于实验的局限性，不能轻易观察到分散动力学，并且目前尚不清楚影响分散状态的关键因素。这项研究对分散室中的液滴分散进行了数值模拟，可以使这一重要过程可视化。对分散状态的系统和定量分析为改进分散室的设计提供了有价值的数据，