Measurements of Aerosol Particle Sizes from a Direct Injection Nebulizer
- 1 November 1991
- journal article
- research article
- Published by SAGE Publications in Applied Spectroscopy
- Vol. 45 (9) , 1408-1412
- https://doi.org/10.1366/0003702914335481
Abstract
Photographs and laser-scattering measurements showed that a direct injection nebulizer (DIN) produced a finer aerosol with a narrower drop size distribution than that for a conventional glass concentric nebulizer when both were operated at the same liquid and nebulizer gas flow rates. The droplets from the DIN were slightly larger, however, than those leaving a Scott-type spray chamber with a glass concentric nebulizer. The droplets from the DIN had a Sauter mean diameter of ∼7 μm and a 90% mass diameter of 11–16 μm. The droplet size distribution became narrower and shifted to lower diameters as the aerosol gas flow rate increased.Keywords
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