LIGHT-SCATTERING MEASUREMENTS OF SINGLE AEROSOL MICRODROPLET

章寿华; 高勇; 谷桂馨; 朱民

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LIGHT-SCATTERING MEASUREMENTS OF SINGLE AEROSOL MICRODROPLET

更新时间：2025-12-16

- LIGHT-SCATTERING MEASUREMENTS OF SINGLE AEROSOL MICRODROPLET
- CIESC Journal Issue 3, (1992)
- 作者机构：
  
  华东化工学院化学工程研究所,华东化工学院化学工程研究所,华东化工学院化学工程研究所,华东化工学院化学工程研究所上海200237,上海200237,上海200237,上海,200237
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 June 1992，
  
  Published：25 June 1992
- 稿件说明：
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章寿华, 高勇, 谷桂馨, et al. LIGHT-SCATTERING MEASUREMENTS OF SINGLE AEROSOL MICRODROPLET[J]. CIESC Journal, 1992, (3).
DOI：

章寿华, 高勇, 谷桂馨, et al. LIGHT-SCATTERING MEASUREMENTS OF SINGLE AEROSOL MICRODROPLET[J]. CIESC Journal, 1992, (3). DOI：

摘要

作者在改进的电动平衡仪中悬浮单个气溶胶微滴

并使它受到1束激光照射.平衡仪上的1组光电列阵检测某一散射角范围内的散射光强度

另一个位于90°散射角处的光电倍增管连续测量共振光谱讯号.把所测得的实验数据与Mie理论计算值对照

就能非常精确地测定微滴的尺寸及其变化.

Abstract

A single microdroplet was suspended in an electrodynamic balance and adjusted in a polarized laser beam. The scattered light from the micro-droplet was detected by a photodiode array and stored in a microcomputer. In addition

the optical resonance spectra were continuously recorded by a PMT at 0 = 90°. Comparing the light-scattering profile (intensity versus scattering angle) and the resonance spectra with Mie theory

the size of the micro-droplet and the change of its size as a sphere can be determined precisely.

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