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Effect of Stefan flow on drag coefficient of reactive spherical particles in gas flow
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Energivetenskap.ORCID-id: 0000-0001-7319-1248
SINTEF Energy Research, N-7465 Trondheim, Norway.
Department of Chemical Engineering, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Energivetenskap.ORCID-id: 0000-0001-6081-5736
2018 (engelsk)Inngår i: THMT-18. Turbulence Heat and Mass Transfer 9 Proceedings of the Ninth International Symposium On Turbulence Heat and Mass Transfer, Begell House, 2018, s. 1089-1092Konferansepaper, Publicerat paper (Fagfellevurdert)
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.

sted, utgiver, år, opplag, sider
Begell House, 2018. s. 1089-1092
Serie
The Proceedings of the International Centre for Heat and Mass Transfer, ISSN 2377-2816
HSV kategori
Forskningsprogram
Energiteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-83446DOI: 10.1615/THMT-18.1250ISI: 000753927600121Scopus ID: 2-s2.0-85083768788OAI: oai:DiVA.org:ltu-83446DiVA, id: diva2:1540700
Konferanse
Ninth International Symposium On Turbulence Heat and Mass Transfer (THMT-18), Rio de Janeiro, Brazil, July 10-13, 2018
Merknad

ISBN för värdpublikation: 978-1-56700-468-7; 978-1-56700-467-0

Tilgjengelig fra: 2021-03-30 Laget: 2021-03-30 Sist oppdatert: 2023-09-06bibliografisk kontrollert

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