Heat transfer of an oxy-fuel flame to a quartz plate and the role of surface chemistry

M.F.G. Cremers, M.J. Remie, K.R.A.M. Schreel, L.P.H. Goey, de

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

Increasing the heat transfer from oxy-fuel flames to glass products is a majorissue in the lighting industry. We show that oxy-fuel flames differ a lot fromair-fuel flames in the sense that there are still a lot of radicals in theburnt gas mixture, which contain a lot of energy. Furthermore, we havecalculated the heating of a thin glass plate, using a one-dimensional modelbased on the instationary conduction equation. This model shows that the strainrate of the flame is an important parameter in the heating process. We concludeby showing that the burnt mixture near the plate is not in chemical equilibrium.Therefore surface chemistry possibly contributes in the heating process and itwas studied theoretically by assuming a platinum surface on the quartz plate. Asa result the heat production increases significantly.
Original languageEnglish
Title of host publicationProceedings 3rd European conference on small burner technology and heating equipment : 4. Aachener Kolloquium - Heizwaerme aus Oelverbrennung ; Aachen, 18-19 September 2003
EditorsH. Koehne, K. Lucka
Place of PublicationAachen
PublisherShaker-Verlag
Pages209-215
ISBN (Print)3-8322-1864-5
Publication statusPublished - 2003

Publication series

NameBerichte aus der Verbrennungstechnik
Volume17
ISSN (Print)1430-9629

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