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Article: Burning characteristics of non-spread diffusion flames of liquid fuel soaked in porous beds

TitleBurning characteristics of non-spread diffusion flames of liquid fuel soaked in porous beds
Authors
KeywordsNon-spread diffusion flames
Burning characteristics
Fuel-soaked porous beds
Liquid fuel combustion
Issue Date2002
Citation
Journal of Fire Sciences, 2002, v. 20, n. 3, p. 203-225 How to Cite?
AbstractAn experimental study was conducted to investigate the effects of sand size and sand layer depth on the burning characteristics of non-spread diffusion flames of liquid fuel soaked in porous beds. Sand beds with sand sizes from 0.12 to 3.18 mm and sand layer depths from 50 to 80 mm were chosen as the porous beds. Pure methanol was used as the liquid fuel. The flame appearances and effects of sand sizes and sand layer depths on flame temperature profiles, locations of vapor/liquid interface, vapor region moving speed, combustion duration time, fuel consumption and amount of fuel residues in the porous beds were studied in the experiments. An approximate analytical model based on the assumption of a two-phase Stefan problem was employed to predict the fuel consumption rate and the interface location. This model can quantitatively predict the interface position of combustion of the liquid fuel in the porous bed. The predicted results can also confirm that heat transfer in the bed is the controlling mode at the beginning stage of the combustion. After that, capillary force acts as the dominant role for diffusion of the vapor upward.
Persistent Identifierhttp://hdl.handle.net/10722/255859
ISSN
2015 Impact Factor: 0.758
2015 SCImago Journal Rankings: 0.554

 

DC FieldValueLanguage
dc.contributor.authorKong, Wenjun-
dc.contributor.authorChao, C. Y H-
dc.contributor.authorWang, Jinghong-
dc.date.accessioned2018-07-16T06:13:52Z-
dc.date.available2018-07-16T06:13:52Z-
dc.date.issued2002-
dc.identifier.citationJournal of Fire Sciences, 2002, v. 20, n. 3, p. 203-225-
dc.identifier.issn0734-9041-
dc.identifier.urihttp://hdl.handle.net/10722/255859-
dc.description.abstractAn experimental study was conducted to investigate the effects of sand size and sand layer depth on the burning characteristics of non-spread diffusion flames of liquid fuel soaked in porous beds. Sand beds with sand sizes from 0.12 to 3.18 mm and sand layer depths from 50 to 80 mm were chosen as the porous beds. Pure methanol was used as the liquid fuel. The flame appearances and effects of sand sizes and sand layer depths on flame temperature profiles, locations of vapor/liquid interface, vapor region moving speed, combustion duration time, fuel consumption and amount of fuel residues in the porous beds were studied in the experiments. An approximate analytical model based on the assumption of a two-phase Stefan problem was employed to predict the fuel consumption rate and the interface location. This model can quantitatively predict the interface position of combustion of the liquid fuel in the porous bed. The predicted results can also confirm that heat transfer in the bed is the controlling mode at the beginning stage of the combustion. After that, capillary force acts as the dominant role for diffusion of the vapor upward.-
dc.languageeng-
dc.relation.ispartofJournal of Fire Sciences-
dc.subjectNon-spread diffusion flames-
dc.subjectBurning characteristics-
dc.subjectFuel-soaked porous beds-
dc.subjectLiquid fuel combustion-
dc.titleBurning characteristics of non-spread diffusion flames of liquid fuel soaked in porous beds-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1177/0734904102020003783-
dc.identifier.scopuseid_2-s2.0-0036579252-
dc.identifier.volume20-
dc.identifier.issue3-
dc.identifier.spage203-
dc.identifier.epage225-

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