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Effect of Stefan flow on drag coefficient of reactive spherical particles in gas flow
Luleå Univ Technol, Div Energy Sci, SE-97187 Luleå, Sweden..
SINTEF Energy Res, N-7465 Trondheim, Norway..
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Chemical Engineering, Energy Processes.ORCID iD: 0000-0001-7995-3151
Luleå Univ Technol, Div Energy Sci, SE-97187 Luleå, Sweden..
2018 (English)In: Turbulence Heat And Mass Transfer 9 (THMT-18), Begell House , 2018, p. 1089-1092Conference paper, Published paper (Refereed)
Abstract [en]

Particle laden flows with reactive particles are common in industrial applications. Chemical reactions inside the particle or deposition at the surface can generate additional flow phenomena that affect the heat, mass and momentum transfer between the particle and bulk flow. This work aims at investigating the effect of Stefan flow on the drag coefficient of a spherical particle immersed in a uniform flow. Fully resolved 3D simulations were carried out for particle Reynolds numbers based on the free stream velocity ranging from 0.5 to 3. Simulations are carried out in foam-extend CFD software, using the Immersed Boundary(IB) method for treating fluid-solid interactions. The simulations were validated against data for particles without reactive flow, and against the analytical solution for Stefan flow around a particle in a quiescent fluid. We found that in the considered range of Reynolds number the drag coefficient decreases linearly with in increase in Stefan flow velocity.

Place, publisher, year, edition, pages
Begell House , 2018. p. 1089-1092
Series
International Symposium on Turbulence Heat and Mass Transfer, ISSN 2377-2816
National Category
Condensed Matter Physics Fluid Mechanics Other Engineering and Technologies
Identifiers
URN: urn:nbn:se:kth:diva-319029DOI: 10.1615/THMT-18.1250ISI: 000753927600121Scopus ID: 2-s2.0-85083768788OAI: oai:DiVA.org:kth-319029DiVA, id: diva2:1698865
Conference
9th International Symposium on Turbulence, Heat and Mass Transfer (THMT), JUL 10-13, 2018, Rio de Janeiro, BRAZIL
Note

QC 20220926

Available from: 2022-09-26 Created: 2022-09-26 Last updated: 2025-02-10Bibliographically approved

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Bäbler, Matthäus

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf