Modeling a stratified downdraft wood gasifier with primary and secondary air entry (Articolo in rivista)

Type
Label
  • Modeling a stratified downdraft wood gasifier with primary and secondary air entry (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.fuel.2012.10.014 (literal)
Alternative label
  • Di Blasi C., Branca C. (2013)
    Modeling a stratified downdraft wood gasifier with primary and secondary air entry
    in Fuel (Guildf.)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Di Blasi C., Branca C. (literal)
Pagina inizio
  • 847 (literal)
Pagina fine
  • 860 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/inward/record.url?eid=2-s2.0-84870466958&partnerID=q2rCbXpz (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 104 (literal)
Rivista
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Ingegneria Chimica, Università Degli Studi di Napoli Federico II, P.le V. Tecchio, 80125 Napoli, Italy Istituto di Ricerche sulla Combustione, CNR, P.le V. Tecchio, 80125 Napoli, Italy (literal)
Titolo
  • Modeling a stratified downdraft wood gasifier with primary and secondary air entry (literal)
Abstract
  • A detailed mathematical model, comprehensive of the main chemical and physical processes, is proposed for the open-core downdraft gasification of wood pellets, which permits a dual air entry: from the top section (primary air) and at a certain height of the packed bed (secondary air). A transition is simulated from a single, top-stabilized front (zero percentage of secondary air), to a double front stabilization (percentages of secondary air up to 60-70%) and finally to a single, forced center-stabilized front at the position of secondary air injection. For sufficiently high percentages of secondary air, following the complete or partial separation between the zone of primary wood degradation and a high-temperature, oxygen-rich zone and higher temperatures along the char bed, tar and char conversion is highly enhanced. Good agreement is obtained between model predictions and measurements for a pilot-scale plant. (literal)
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