CAREER: Understanding Multiphase Atmospheric Aerosol Particle Thermodynamics using Models, Mimics, and Microfluidics

这项工作将提高模拟大气中气溶胶特性的能力。它结合了热力学模型和实验研究，以更好地了解粒子对水的吸收以及气体、固体和液体气溶胶以及地球大气中水的相互作用。项目结果将有利于气候和空气质量模型，并提高我们预测环境颗粒物浓度的能力。预期的具体项目成果有：(1)在整个颗粒液态水含量或气相相对湿度范围内，建立复杂多组分系统中大气气溶胶颗粒（内部混合、结节或核-壳）平衡内部结构的参数化预测模型；(2)模拟和研究水-有机和水-蒸汽界面的新型微流控平台，将为改进预测模型中的参数化提供有价值的数据。

This effort will improve the ability to model aerosol properties in the atmosphere. It combines thermodynamic modeling and experimental studies to better understand water uptake by particles and the interactions of gases, solid and liquid aerosols, and water in the Earth's atmosphere. Project results will benefit climate and air quality models and improve our ability to predict ambient concentrations of particulate matter.The specific project outcomes expected are: (1) a parameterized predictive model for equilibrium internal structure of atmospheric aerosol particles (internally mixed, nodule, or core-shell) in complex multicomponent systems across the entire range of particle liquid water content or gas phase relative humidity; and (2) a novel microfluidic platform for mimicking and investigating aqueous-organic and aqueous-vapor interfaces which will yield valuable data for improving the parameterizations used in predictive models.