Simultaneous measurement of the surface temperature and the release of atomic sodium from a burning black liquor droplet

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dc.contributor.authorSaw, W.
dc.contributor.authorNathan, G.
dc.contributor.authorAshman, P.
dc.contributor.authorAlwahabi, Z.
dc.contributor.authorHupa, M.
dc.date.issued2010
dc.description.abstractSimultaneous measurement of the concentration of released atomic sodium, swelling, surface and internal temperature of a burning black liquor droplet under a fuel lean and rich condition has been demonstrated. Two-dimensional two-colour optical pyrometry was employed to determine the distribution of surface temperature and swelling of a burning black liquor droplet while planar laser-induced fluorescence (PLIF) was used to assess the temporal release of atomic sodium. The key findings of these studies are: (i) the concentration of atomic sodium released during the drying and devolatilisation stages was found to be correlated with the external surface area; and (ii) the insignificant presence of atomic sodium during the char consumption stage shows that sodium release is suppressed by the lower temperature and by the high CO<inf>2</inf> content in and around the particle. © 2009 The Combustion Institute.
dc.description.statementofresponsibilityWoei L. Saw, Graham J. Nathan, Peter J. Ashman, Zeyad T. Alwahabi and Mikko Hupa
dc.description.urihttp://www.elsevier.com/wps/find/journaldescription.cws_home/505736/description#description
dc.identifier.citationCombustion and Flame, 2010; 157(4):769-777
dc.identifier.doi10.1016/j.combustflame.2009.12.016
dc.identifier.issn0010-2180
dc.identifier.orcidSaw, W. [0000-0002-2538-5811]
dc.identifier.orcidNathan, G. [0000-0002-6922-848X]
dc.identifier.orcidAshman, P. [0000-0003-1876-4546]
dc.identifier.orcidAlwahabi, Z. [0000-0003-4831-7798]
dc.identifier.urihttp://hdl.handle.net/2440/59302
dc.language.isoen
dc.publisherElsevier Science Inc
dc.relation.grantARC
dc.rightsCopyright 2009 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
dc.source.urihttps://doi.org/10.1016/j.combustflame.2009.12.016
dc.subjectBlack liquor
dc.subjectSurface temperature
dc.subjectSodium
dc.subjectLIF
dc.titleSimultaneous measurement of the surface temperature and the release of atomic sodium from a burning black liquor droplet
dc.typeJournal article
pubs.publication-statusPublished

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