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Fast in situ sizing technique for single levitated liquid aerosols

机译:单悬浮液体气雾剂的快速原位定径技术

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摘要

A fast in situ sizing technique for single levitated aerosol particles is presented. It makes use of the analysis of fast-Fourier-transformed vertically polarized Mie scattering patterns from single liquid aerosols levitated in a Paul-trap-type electrodynamic balance. The technique is shown to give reliable results for a test sphere of known physical properties. A first application to aqueous sodium chloride aerosol particles that changed size on humidity variation is presented, yielding good agreement with the full Mie theory.
机译:提出了一种用于单个悬浮气溶胶颗粒的快速原位定径技术。它利用了Paul-trap型电动平衡中悬浮的单个液体气溶胶对快速傅立叶变换的垂直极化Mie散射图的分析。对于已知的物理特性的测试领域,该技术可以给出可靠的结果。介绍了在湿度变化时会改变尺寸的氯化钠气溶胶颗粒的首次应用,这与完整的Mie理论完全吻合。

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