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Göran Frank

Director of graduate studies

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Methodology to estimate the transfer function of individual differential mobility analyzers

Author

  • B. G. Martinsson
  • M. N.A. Karlsson
  • G. Frank

Summary, in English

A method to estimate the nonideal features of the transfer function of individual differential mobility analyzers (DMA) was developed and tested experimentally. This was up to now an unsolved problem, which is important for the precision in DMA measurements. The method involves three DMAs of unknown characteristics, which are used in three rounds of experiments with two DMAs according to a fixed schedule. The width of the transfer functions of the three DMAs is obtained in a single fitting procedure where one parameter is fitted to each DMA transfer function and the particle losses in each DMA are calculated in direct relation to that parameter and parameters known from the experiment. It was shown that the proposed method could solve the apportioning problem and unambiguously estimate the transfer function width and the particle losses in each of the DMAs.

Department/s

  • Nuclear physics

Publishing year

2001-10-17

Language

English

Pages

815-823

Publication/Series

Aerosol Science and Technology

Volume

35

Issue

4

Document type

Journal article

Publisher

Taylor & Francis

Topic

  • Control Engineering
  • Other Physics Topics

Status

Published

ISBN/ISSN/Other

  • ISSN: 0278-6826