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Characterisation of heat transfer and flame length in a semi-scale industrial furnace equipped with HiTAC burner
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Energy and Furnace Technology.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Energy and Furnace Technology.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Energy and Furnace Technology.ORCID iD: 0000-0002-1837-5439
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2010 (English)In: J ENERGY INST, ISSN 1743-9671, Vol. 83, no 3, 133-143 p.Article in journal (Refereed) Published
Abstract [en]

This paper investigates the effects of multiple burner nozzles on the combustion characteristics, such as flame volume, heat transfer and NOx emission in a high temperature air combustion (HiTAC) industrial furnace. Experiments were carried out in one semi-industrial furnace located in Kungliga Tekniska Hogskolan (Stockholm, Sweden). Three different types of burners were tested, including both regenerative and recuperative types. Variable flame temperature and oxygen concentration were applied in experiments. Heat transfer characteristics of HiTAC are studied in this paper, and the influences of a variety of inertial fuel/air jets are investigated for both flame length and NOx emission. One improved correlation between chemical flame length and flame Froude number is established for HiTAC with manifold nozzles. NOx emission is also correlated to the flame Froude number. The HiTAC recirculation system effects on flame shape, NOx emission and heat transfer were also examined.

Place, publisher, year, edition, pages
2010. Vol. 83, no 3, 133-143 p.
Keyword [en]
HiTAC, Heat transfer, Flame shape, Flame length, NOx emission
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-26822DOI: 10.1179/014426010X12759937396678ISI: 000281196200002Scopus ID: 2-s2.0-77955867857OAI: oai:DiVA.org:kth-26822DiVA: diva2:375479
Note
QC 20101208Available from: 2010-12-08 Created: 2010-11-29 Last updated: 2012-03-22Bibliographically approved

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Yang, Weihong

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