Advanced

Structured illumination for 3-D Mie imaging and 2-D attenuation measurements in optically dense sprays

Kristensson, Elias LU ; Berrocal, Edouard; Wellander, Rikard; Ritcher, Mattias; Alden, Marcus and Linne, Mark (2011) In Proceedings of the Combustion Institute 33. p.855-861
Abstract
Qualitative description of spray structure and geometry in the near-field region of atomizing sprays is particularly challenging due to the lack of visibility through such optically dense media. Similarly, quantitative determination of the optical depth can be particularly underestimated as a result of detecting photons which have experienced a number of scattering events. In this paper we demonstrate, based on average imaging, the possibility to reconstruct the "true" 3-D Mie representation of an aerated spray, where image artifacts introduced by multiple scattering have been suppressed by means of Structured Laser Illumination Planar Imaging (SLIPI). Here, six images were used, instead of three usually employed in structured... (More)
Qualitative description of spray structure and geometry in the near-field region of atomizing sprays is particularly challenging due to the lack of visibility through such optically dense media. Similarly, quantitative determination of the optical depth can be particularly underestimated as a result of detecting photons which have experienced a number of scattering events. In this paper we demonstrate, based on average imaging, the possibility to reconstruct the "true" 3-D Mie representation of an aerated spray, where image artifacts introduced by multiple scattering have been suppressed by means of Structured Laser Illumination Planar Imaging (SLIPI). Here, six images were used, instead of three usually employed in structured illumination, to reconstruct a single SLIPI image. Based on a similar approach, a 2-D estimation of optical depth has been performed and compared with the conventional single-point attenuation measurement. (C) 2010 The Combustion Institute. Published by Elsevier Inc. All rights reserved. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Multiple scattering, Aerated sprays, Structured illumination, Light, extinction, Optical depth
in
Proceedings of the Combustion Institute
volume
33
pages
855 - 861
publisher
Elsevier
external identifiers
  • wos:000285780200091
  • scopus:78650924638
ISSN
1540-7489
DOI
10.1016/j.proci.2010.06.016
language
English
LU publication?
yes
id
3891f75c-3729-4b59-a050-b2d85c1aaee5 (old id 1870177)
date added to LUP
2011-04-06 09:38:44
date last changed
2017-01-01 03:47:19
@article{3891f75c-3729-4b59-a050-b2d85c1aaee5,
  abstract     = {Qualitative description of spray structure and geometry in the near-field region of atomizing sprays is particularly challenging due to the lack of visibility through such optically dense media. Similarly, quantitative determination of the optical depth can be particularly underestimated as a result of detecting photons which have experienced a number of scattering events. In this paper we demonstrate, based on average imaging, the possibility to reconstruct the "true" 3-D Mie representation of an aerated spray, where image artifacts introduced by multiple scattering have been suppressed by means of Structured Laser Illumination Planar Imaging (SLIPI). Here, six images were used, instead of three usually employed in structured illumination, to reconstruct a single SLIPI image. Based on a similar approach, a 2-D estimation of optical depth has been performed and compared with the conventional single-point attenuation measurement. (C) 2010 The Combustion Institute. Published by Elsevier Inc. All rights reserved.},
  author       = {Kristensson, Elias and Berrocal, Edouard and Wellander, Rikard and Ritcher, Mattias and Alden, Marcus and Linne, Mark},
  issn         = {1540-7489},
  keyword      = {Multiple scattering,Aerated sprays,Structured illumination,Light,extinction,Optical depth},
  language     = {eng},
  pages        = {855--861},
  publisher    = {Elsevier},
  series       = {Proceedings of the Combustion Institute},
  title        = {Structured illumination for 3-D Mie imaging and 2-D attenuation measurements in optically dense sprays},
  url          = {http://dx.doi.org/10.1016/j.proci.2010.06.016},
  volume       = {33},
  year         = {2011},
}