Effect of Turbulence on Nucleation and Coagulation Rates in the Aerosol Synthesis of Titania Particles: A Numerical Simulation Study

摘要 CTS-9417527 L. Collins 提出了一种直接数值模拟 (DNS) 方法来分析湍流对二氧化钛颜料颗粒气溶胶形成和凝结的影响。 通过计算相干湍流结构并使用两相流系统的微观结构，可以定量预测成核速率、颗粒碰撞、生长速率和最终颗粒尺寸分布。 计算结果将与杜邦公司进行的实验进行比较。所提出的方法如果成功，将开辟一种新的方法来理解和预测湍流气溶胶反应器，并应用于先进材料。 ***

ABSTRACT CTS-9417527 L. Collins It is proposed a Direct Numerical Simulation (DNS) method to analyze the effect of turbulence on the aerosol formation and coagulation of titanium dioxide pigment particles. Quantitative predictions of the rate of nucleation, particle collisions, growth rates, and the final particle size distribution will be obtained by calculating the coherent turbulent structure and using microstructural aspects of the two-phase flow system. The computational results will be compared to the experiments performed at the DuPont Co. The proposed method, if successful, will open a new approach to understand and predict the turbulent flow aerosol reactors, with application to advance materials. ***