Influence of the number of detectors by laser scattering method for estimation of particle size
Review of Scientific Instruments Volume 83 Issue 5
Page 055103-
published_at 2012
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Title ( eng ) |
Influence of the number of detectors by laser scattering method for estimation of particle size
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Creator |
Igushi Tatsuo
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Source Title |
Review of Scientific Instruments
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Volume | 83 |
Issue | 5 |
Start Page | 055103 |
Abstract |
Effect of the number of detectors on an inversion problem of a scattering pattern by laser scattering method based on Mie scattering model has been investigated. The influence of the number of detectors is obtained by comparing a given size distribution and a calculated size distribution by computer simulation and experimental method. An observing range of scattering angles is from 0.0007 to 2.5 rad. A non-linear iteration method is used for calculating particle size distribution. The number of detectors is changed from 6 to 81 elements by the computer simulation. The algorithm of the inversion problem is applied with mean diameters of log-normal distribution in a range from 0.546 to 214 μm at standard deviation of 0.27 and 0.68. Experimental results of certified mono-disperse polystyrene latex standards and a poly-disperse aluminum sample are obtained with 21, 41, and 81 elements detector, respectively. All tests are performed under conditions at diluted aqueous suspensions. Narrow size distribution is influenced by the number of detectors compared with wide size distribution. Not the number of physical detectors but the number of useful detectors affects the algorithm of the inversion problem. When the detector elements are over 20, the influence of the number of detectors is decreased.
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NDC |
Electrical engineering [ 540 ]
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Language |
eng
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Resource Type | journal article |
Publisher |
American Institute of Physics
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Date of Issued | 2012 |
Rights |
(c) 2012 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
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Publish Type | Version of Record |
Access Rights | open access |
Source Identifier |
[ISSN] 0034-6748
[DOI] 10.1063/1.4709493
[NCID] AA00817730
[DOI] http://dx.doi.org/10.1063/1.4709493
[URI] http://link.aip.org/link/?rsi/83/055103
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