A water-based fast integrated mobility spectrometer (WFIMS) with enhanced dynamic size range
Abstract
We developed a water-based fast integrated mobility spectrometer (WFIMS) with enhanced dynamic size range. The WFIMS builds on two established technologies: the fast integrated mobility spectrometer and laminar flow water-based condensation methodology. Inside WFIMS, particles of differing electrical mobility are separated in a drift tube and subsequently enlarged through water condensation. Particle size and concentration are measured via digital imaging at a frame rate of 10 Hz. When we measure particles of different mobilities simultaneously, the WFIMS resolves particle diameters ranging from 8 to 580 nm within 1 s or less. The performance of WFIMS was characterized with differential mobility analyzer (DMA) classified (NH4)2SO2 particles with diameters ranging from 8 to 265 nm. The mean particle diameters measured by WFIMS were found to be in excellent agreement with DMA centroid diameters. Furthermore, detection efficiency of WFIMS was characterized using a condensation particle counter as a reference and is nearly 100% for particles with diameter greater than 8 nm. In general, measured and simulated WFIMS mobility resolutions are in good agreement. But, some deviations are observed at low particle mobilities, likely due to the non-idealities of the WFIMS electric field.
- Authors:
-
- Brookhaven National Lab. (BNL), Upton, NY (United States). Environmental and Climate Sciences Dept.
- Aerosol Dynamics Inc., Berkeley, CA (United States)
- Publication Date:
- Research Org.:
- Brookhaven National Laboratory (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Biological and Environmental Research (BER)
- OSTI Identifier:
- 1366353
- Report Number(s):
- BNL-113991-2017-JA
Journal ID: ISSN 0278-6826; R&D Project: 2016-BNL-EE630EECA-Budg; 87158; KP1701000
- Grant/Contract Number:
- SC00112704; SC0006312; AC02-98CH10886
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Aerosol Science and Technology
- Additional Journal Information:
- Journal Volume: 51; Journal Issue: 10; Journal ID: ISSN 0278-6826
- Publisher:
- American Association for Aerosol Research
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 54 ENVIRONMENTAL SCIENCES
Citation Formats
Pinterich, Tamara, Spielman, Steven R., Hering, Susanne, and Wang, Jian. A water-based fast integrated mobility spectrometer (WFIMS) with enhanced dynamic size range. United States: N. p., 2017.
Web. doi:10.1080/02786826.2017.1338664.
Pinterich, Tamara, Spielman, Steven R., Hering, Susanne, & Wang, Jian. A water-based fast integrated mobility spectrometer (WFIMS) with enhanced dynamic size range. United States. https://doi.org/10.1080/02786826.2017.1338664
Pinterich, Tamara, Spielman, Steven R., Hering, Susanne, and Wang, Jian. Thu .
"A water-based fast integrated mobility spectrometer (WFIMS) with enhanced dynamic size range". United States. https://doi.org/10.1080/02786826.2017.1338664. https://www.osti.gov/servlets/purl/1366353.
@article{osti_1366353,
title = {A water-based fast integrated mobility spectrometer (WFIMS) with enhanced dynamic size range},
author = {Pinterich, Tamara and Spielman, Steven R. and Hering, Susanne and Wang, Jian},
abstractNote = {We developed a water-based fast integrated mobility spectrometer (WFIMS) with enhanced dynamic size range. The WFIMS builds on two established technologies: the fast integrated mobility spectrometer and laminar flow water-based condensation methodology. Inside WFIMS, particles of differing electrical mobility are separated in a drift tube and subsequently enlarged through water condensation. Particle size and concentration are measured via digital imaging at a frame rate of 10 Hz. When we measure particles of different mobilities simultaneously, the WFIMS resolves particle diameters ranging from 8 to 580 nm within 1 s or less. The performance of WFIMS was characterized with differential mobility analyzer (DMA) classified (NH4)2SO2 particles with diameters ranging from 8 to 265 nm. The mean particle diameters measured by WFIMS were found to be in excellent agreement with DMA centroid diameters. Furthermore, detection efficiency of WFIMS was characterized using a condensation particle counter as a reference and is nearly 100% for particles with diameter greater than 8 nm. In general, measured and simulated WFIMS mobility resolutions are in good agreement. But, some deviations are observed at low particle mobilities, likely due to the non-idealities of the WFIMS electric field.},
doi = {10.1080/02786826.2017.1338664},
journal = {Aerosol Science and Technology},
number = 10,
volume = 51,
place = {United States},
year = {Thu Jun 08 00:00:00 EDT 2017},
month = {Thu Jun 08 00:00:00 EDT 2017}
}
Web of Science
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Works referencing / citing this record:
Retrieval of high time resolution growth factor probability density function from a humidity-controlled fast integrated mobility spectrometer
journal, June 2019
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Retrieval of high time resolution growth factor probability density function from a humidity-controlled fast integrated mobility spectrometer
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Retrieval of High Time Resolution Growth Factor Probability Density Function from a Humidity-controlled Fast Integrated Mobility Spectrometer
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A review of experimental techniques for aerosol hygroscopicity studies
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