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Numerical modelling of a straw-fired grate boiler

Authors: Kær, Søren Knudsen;
Numerical modelling of a straw-fired grate boiler
Abstract
The paper presents a computational fluid dynamics (CFD) analysis of a 33 MW straw-fired grate boiler. Combustion on the grate plays akey-role in the analysis of these boilers and in this work a stand-alone code was used to provide inlet conditions for the CFD analysis. Modelpredictions were compared with available gas temperature and species concentration measurements showing good agreement. Combustionof biomass in grate-based boilers is often associated with high emission levels and relatively high amounts of unburnt carbon in the fly ash.Based on the CFD analysis, it is suggested that poor mixing in the furnace is a key issue leading to these problems. q 2003 Elsevier Ltd. All rights reserved.
Udgivelsesdato: JUN
Country
Denmark
Related Organizations
- Aalborg University Denmark
- Aalborg University Library (AUB) Aalborg Universitet Research Portal Denmark
- Aalborg University Library (AUB) Denmark
- Aalborg University Library (AUB) Denmark
- Aalborg University Denmark
3 Research products, page 1 of 1
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citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).102 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Top 10% influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Top 1% impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Top 10%

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citations
Citations provided by BIP!
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
popularity
Popularity provided by BIP!
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
102
Top 10%
Top 1%
Top 10%
Fields of Science (3) View all
Related to Research communities
Energy Research