Ändra sökning
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
The effect of Stefan flow on the drag coefficient of spherical particles in a gas flow
Lulea Univ Technol, Div Energy Sci, Energy Engn, S-97187 Lulea, Sweden..
Norwegian Univ Sci & Technol, Dept Energy & Proc Engn, Kolbjorn Hejes Vei 1 B, N-7491 Trondheim, Norway.;SINTEF Energy Res, Dept Thermal Energy, Kolbjorn Hejes Vei 1 A, N-7491 Trondheim, Norway..
KTH, Skolan för kemi, bioteknologi och hälsa (CBH), Kemiteknik.ORCID-id: 0000-0001-7995-3151
Lulea Univ Technol, Div Energy Sci, Energy Engn, S-97187 Lulea, Sweden..
Visa övriga samt affilieringar
2019 (Engelska)Ingår i: International Journal of Multiphase Flow, ISSN 0301-9322, E-ISSN 1879-3533, Vol. 117, s. 130-137Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Particle laden flows with reactive particles are common in industrial applications. Chemical reactions inside the particle can generate a Stefan flow that affects heat, mass and momentum transfer between the particle and the bulk flow. This study aims at investigating the effect of Stefan flow on the drag coefficient of a spherical particle immersed in a uniform flow under isothermal conditions. Fully resolved simulations were carried out for particle Reynolds numbers ranging from 0.2 to 14 and Stefan flow Reynolds numbers from (-1) to 3, using the immersed boundary method for treating fluid-solid interactions. Results showed that the drag coefficient decreased with an increase of the outward Stefan flow. The main reason was the change in viscous force by the expansion of the boundary layer surrounding the particle. A simple model was developed based on this physical interpretation. With only one fitting parameter, the performance of the model to describe the simulation data were comparable to previous empirical models. The Authors.

Ort, förlag, år, upplaga, sidor
Elsevier, 2019. Vol. 117, s. 130-137
Nyckelord [en]
Drag coefficient, Stefan flow, Boundary layer, Multiphase reactive flow
Nationell ämneskategori
Energiteknik
Identifikatorer
URN: urn:nbn:se:kth:diva-255367DOI: 10.1016/j.ijmultiphaseflow.2019.04.022ISI: 000474496000010Scopus ID: 2-s2.0-85065836366OAI: oai:DiVA.org:kth-255367DiVA, id: diva2:1339626
Anmärkning

QC 20190730

Tillgänglig från: 2019-07-30 Skapad: 2019-07-30 Senast uppdaterad: 2019-07-30Bibliografiskt granskad

Open Access i DiVA

Fulltext saknas i DiVA

Övriga länkar

Förlagets fulltextScopus

Personposter BETA

Bäbler, Matthäus

Sök vidare i DiVA

Av författaren/redaktören
Bäbler, Matthäus
Av organisationen
Kemiteknik
I samma tidskrift
International Journal of Multiphase Flow
Energiteknik

Sök vidare utanför DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetricpoäng

doi
urn-nbn
Totalt: 30 träffar
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf