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Numerical Investigation of Syngas Combustion in a HiTAG System Using CFD Techniques
2014 (engelsk)Inngår i: PROCEEDINGS of the 10th International Conference on Computational Fluid Dynamics in the Oil & Gas, Metallurgical and Process Industries / [ed] Stein Tore Johansen & Jan Erik Olsen, Trondheim, 2014Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Utilization of gasified biomass in the case of combustion could introduce a prominent way to high energy efficiency, pollutant emissions reduction, and heat recovery purposes. In this paper, secondary syngas combustion chamber of high temperature agent gasification (HiTAG) system is modelled with computational fluid dynamics (CFD) techniques. The numerical data in terms of temperature distribution and flue gas concentrations are compared with experimental measurements through the whole volume of such chamber. In order to reduce the pollutant emissions, and more efficient volumetric combustion, a low NOX burner is used in the secondary chamber. The validation of numerical results with experimental measurements shows a good consistency through the entire chamber. It is concluded that the NOX emission due to secondary air injection, and low NOX burner decreased significantly prior to spread in atmosphere. Moreover, the concentration of oxygen and carbon monoxide at the combustion exhaust reveals a reliable combustion system.

sted, utgiver, år, opplag, sider
Trondheim, 2014.
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Identifikatorer
URN: urn:nbn:se:kth:diva-187745ISBN: 978-82-14-05741-6 (tryckt)OAI: oai:DiVA.org:kth-187745DiVA, id: diva2:931514
Konferanse
10th International Conference on Computational Fluid Dynamics in the Oil & Gas, Metallurgical and Process Industries,SINTEF, Trondheim, Norway,17-19 June 2014
Merknad

QC 20160530

Tilgjengelig fra: 2016-05-28 Laget: 2016-05-28 Sist oppdatert: 2016-05-30bibliografisk kontrollert

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Totalt: 166 treff
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