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One way of representing the size and shape of biomass particles in combustion modeling
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0002-6571-3277
Retsch Technology GmbH.
Amager power plant, HOFOR A/S.
DONG Energy Thermal Power A/S.
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2017 (English)In: Fuel, ISSN 0016-2361, E-ISSN 1873-7153, Vol. 206, p. 675-683Article, book review (Refereed) Published
Abstract [en]

This study aims to provide a geometrical description of biomass particles that can be used in combustion models. The particle size of wood and herbaceous biomass was compared using light microscope, 2D dynamic imaging, laser diffraction, sieve analysis and focused beam reflectance measurement. The results from light microscope and 2D dynamic imaging analysis were compared and it showed that the data on particle width, measured by these two techniques, were identical. Indeed, 2D dynamic imaging was found to be the most convenient particle characterization method, providing information on both the shape and the external surface area. Importantly, a way to quantify all three dimensions of biomass particles has been established. It was recommended to represent a biomass particle in combustion models as an infinite cylinder with the volume-to-surface ratio (V/A) measured using 2D dynamic imaging.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 206, p. 675-683
National Category
Chemical Engineering Energy Engineering Other Health Sciences
Research subject
Energy Engineering; Health Science
Identifiers
URN: urn:nbn:se:ltu:diva-64684DOI: 10.1016/j.fuel.2017.06.052ISI: 000405805800066Scopus ID: 2-s2.0-84992456215OAI: oai:DiVA.org:ltu-64684DiVA, id: diva2:1118203
Note

Validerad;2017;Nivå 2;2017-06-03 (andbra)

Available from: 2017-06-30 Created: 2017-06-30 Last updated: 2018-07-10Bibliographically approved

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Trubetskaya, AnnaVelaga, Sitaram

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