Cristin-resultat-ID: 2025499
Sist endret: 19. mai 2022, 10:36
NVI-rapporteringsår: 2022
Resultat
Vitenskapelig artikkel
2022

Numerical approaches for thermochemical conversion of char

Bidragsytere:
  • Nils Erland L Haugen
  • Brandon Ka Yan Loong og
  • Reginald E. Mitchell

Tidsskrift

Progress in Energy and Combustion Science
ISSN 0360-1285
e-ISSN 1873-216X
NVI-nivå 2

Om resultatet

Vitenskapelig artikkel
Publiseringsår: 2022
Publisert online: 2022
Trykket: 2022
Volum: 91
Artikkelnummer: 100993
Open Access

Beskrivelse Beskrivelse

Tittel

Numerical approaches for thermochemical conversion of char

Sammendrag

This paper gives a review of the current state of the art for numerical simulations of char conversion. In particular, it presents models that have been developed to describe the physical and chemical phenomena that characterize thermochemical char conversion. All particle sizes are covered, ranging from pulverized particles to wood logs. The aim of the paper is to give the reader the required starting point in order to develop his own simulation tool. Two fundamentally different approaches are studied in detail, namely the resolved particle approach and the point particle approach. In the resolved approach, both the char particle itself and the surrounding boundary layer is resolved. This means that heat, mass and momentum transfer are accurately handled. For the point particle approach, which is computationally much cheaper, one has to rely on suitable models to estimate for example the heat, mass and momentum transfer. Finally, the paper also gives detailed descriptions of how to handle ash inclusions in the char in addition to particle fragmentation and thermal annealing. © 2022 The Author(s)

Bidragsytere

Nils Erland L Haugen

  • Tilknyttet:
    Forfatter
    ved Institutt for energi- og prosessteknikk ved Norges teknisk-naturvitenskapelige universitet
  • Tilknyttet:
    Forfatter
    ved Termisk energi ved SINTEF Energi AS

Brandon Ka Yan Loong

  • Tilknyttet:
    Forfatter
    ved Stanford University

Reginald E. Mitchell

  • Tilknyttet:
    Forfatter
    ved Stanford University
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