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| Titel |
Characterization of an aerodynamic lens for transmitting particles greater than 1 micrometer in diameter into the Aerodyne aerosol mass spectrometer |
| VerfasserIn |
L. R. Williams, L. A. Gonzalez, J. Peck, D. Trimborn, J. McInnis, M. R. Farrar, K. D. Moore, J. T. Jayne, W. A. Robinson, D. K. Lewis, T. B. Onasch, M. R. Canagaratna, A. Trimborn, M. T. Timko, G. Magoon, R. Deng, D. Tang, E. de la Rosa Blanco, A. S. H. Prévôt, K. A. Smith, D. R. Worsnop |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1867-1381
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| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Measurement Techniques ; 6, no. 11 ; Nr. 6, no. 11 (2013-11-28), S.3271-3280 |
| Datensatznummer |
250085119
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| Publikation (Nr.) |
 copernicus.org/amt-6-3271-2013.pdf |
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| Zusammenfassung |
| We have designed and characterized a new inlet and aerodynamic lens for the
Aerodyne aerosol mass spectrometer (AMS) that transmits particles between
80 nm and more than 3 μm in vacuum aerodynamic diameter. The design of the
inlet and lens was optimized with computational fluid dynamics (CFD)
modeling of particle trajectories. Major changes include a redesigned
critical orifice holder and valve assembly, addition of a relaxation chamber
behind the critical orifice, and a higher lens operating pressure. The
transmission efficiency of the new inlet and lens was characterized
experimentally with size-selected particles. Experimental measurements are
in good agreement with the calculated transmission efficiency. |
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