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Radial Differential Mobility Analyzer

Zhang, Shou-Hua and Akutsu, Yoshiaki and Russell, Lynn M. and Flagan, Richard C. and Seinfeld, John H. (1995) Radial Differential Mobility Analyzer. Aerosol Science and Technology, 23 (3). pp. 357-372. ISSN 0278-6826. https://resolver.caltech.edu/CaltechAUTHORS:20150805-112913411

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Abstract

A differential mobility analyzer in which particles are classified in a radial flow toward the center of parallel disk electrodes, termed the Radial Differential Mobility Analyzer (RDMA), has been developed. Its classifying characteristics have been determined experimentally using both standard polystyrene latex spheres and mobility-classified aerosol particles over the size range of 3–200 nm. The idealized transfer function for the RDMA differs from that of the conventional cylindrical DMA only by a group of geometrical constants. The RDMA is designed specifically for the measurement of ultrafine aerosol particles, achieving a transmission efficiency of 0.85 to 0.90 in the 3–10-nm size range and having a short residence time to limit diffusional broadening of the transfer function. The simple design of the RDMA reduces the number of precision parts that must be fabricated below that for cylindrical DMAs, resulting in a compact, relatively lightweight, and low-cost instrument.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1080/02786829508965320DOIArticle
http://www.tandfonline.com/doi/abs/10.1080/02786829508965320PublisherArticle
ORCID:
AuthorORCID
Russell, Lynn M.0000-0002-6108-2375
Flagan, Richard C.0000-0001-5690-770X
Seinfeld, John H.0000-0003-1344-4068
Additional Information:© 1995 American Association for Aerosol Research. Received July 26, 1994; revised December 22, 1994. This work was supported by US. Environmental Protect Agency agreement R-819714-01-0, National Science Foundation grant ATM-9307603, and the Office of Naval Research under contract N00014-93-1-0872.
Funders:
Funding AgencyGrant Number
Environmental Protection Agency (EPA)R-819714-01-0
NSFATM-9307603
Office of Naval Research (ONR)N00014-93-1-0872
Issue or Number:3
Record Number:CaltechAUTHORS:20150805-112913411
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20150805-112913411
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:59234
Collection:CaltechAUTHORS
Deposited By: Irina Meininger
Deposited On:09 Dec 2015 20:16
Last Modified:03 Oct 2019 08:44

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