Effect of convergence angle on impactor performance

Effect of convergence angle on impactor performance

Two nozzles, modified and original, were tested in a sampler that was placed in a wind tunnel and penetration efficiencies, √Stk50, and slope of the performance curve were determined by challenging the sampler with fluorescent-tagged monodisperse test aerosol particles having known concentration. It...

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Veröffentlicht in:Aerosol science and technology 2017-08, Vol.51 (8), p.981-987
Hauptverfasser: Li, Huan, Faulkner, William B., Haglund, John S., Lacey, Ronald E.
Format: Artikel
Sprache:eng
Schlagworte:
Aerosol particles
Aerosol research
Aerosols
Convergence
Fluorescence
Jingkun Jiang
Nozzles
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Zusammenfassung:Two nozzles, modified and original, were tested in a sampler that was placed in a wind tunnel and penetration efficiencies, √Stk50, and slope of the performance curve were determined by challenging the sampler with fluorescent-tagged monodisperse test aerosol particles having known concentration. It was shown that a change in convergence angle of the modified nozzle can affect impactor performance. The √Stk50 for original and modified nozzles were 0.57 and 0.49, respectively. The slope of the efficiency curve for original and modified nozzles was 1.52 and 1.36, respectively. © 2017 American Association for Aerosol Research
ISSN:0278-6826
1521-7388
DOI:10.1080/02786826.2017.1322174