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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/26256

Title: Influences of vanadium compound on burning characteristics of emulsified marine fuel oil C
Authors: Cherng-Yuan Lin
Contributors: 國立臺灣海洋大學:輪機工程學系
Keywords: Marine heavy fuel oils;Emulsification;Vanadium pentoxide;Combustion characteristics
Date: 2000-06
Issue Date: 2011-10-20T08:34:35Z
Publisher: Ocean Engineering
Abstract: Abstract:Vanadium is one of the most significant trace elements in heavy fuel oils. While most previous studies emphasize its effects on the high-temperature corrosion of power-plant materials, the understanding of the basic combustion characteristics influenced by the vanadium content in fuel oils is still rather limited. The influences of the controlling factors, such as water-to-oil ratio, amount of emulsifying agent, and content of vanadium pentoxide on the burning characteristics of marine heavy No.6 fuel oil are thus investigated in this experimental study by using a suspended droplet approach. It is shown that the ignition delay, degree of micro-explosion, burning time, and flame length are affected by those factors to various extents. Increase of the water-to-oil ratio might enhance the micro-explosion phenomenon while the addition of an appropriate amount of the emulsifying agent Span-80 promotes the homogeneity of micro-water-droplets over their oil base, leading to alterations of the heated droplet characteristics of the emulsions. However, the existence of V2O5 in a fuel oil would result in deterioration of burning quality.
Relation: 27(6), pp.589–601
URI: http://ntour.ntou.edu.tw/handle/987654321/26256
Appears in Collections:[輪機工程學系] 期刊論文

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