Immersion Freezing of Kaolinite: Scaling with Particle Surface Area
作者： Susan Hartmann , Heike Wex , Tina Clauss , Stefanie Augustin-Bauditz , Dennis Niedermeier
关键词: Immersion (virtual reality) 、 Kaolinite 、 Scaling 、 Analytical chemistry 、 Aerosol 、 Materials science 、 Volume (thermodynamics) 、 Surface (mathematics) 、 Charged particle 、 Particle 、 Atmospheric sciences
摘要: AbstractThis study presents an analysis showing that the freezing probability of kaolinite particles from Fluka scales exponentially with particle surface area for different atmospherically relevant sizes. Immersion experiments were performed at Leipzig Aerosol Cloud Interaction Simulator (LACIS). Size-selected mobility diameters 300, 700, and 1000 nm analyzed one per droplet. First, it is demonstrated immersion independent droplet volume. Using analyzer technique size selection involves presence multiply charged in quasi-monodisperse aerosol, which are larger than singly particles. The fractions these determined using cloud activation measurements. development a multiple charge correction method has proven to be essential deriving ice other quantities measurements here-applied used. ...
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