Experimental study on burning behavior of crude oil pool fire in annular ice cavities

被引：37
|
作者：
Kong, Depeng [1 ]
Zhang, Zhen [1 ]
Ping, Ping [2 ]
Chen, Guoming [1 ]
He, Xu [1 ]
Yang, Hanbing [1 ]
机构：
[1] China Univ Petr East China, Ctr Offshore Engn & Safety Technol, Qingdao 266580, Shandong, Peoples R China
[2] China Univ Petr East China, Coll Chem Engn, Qingdao 266580, Shandong, Peoples R China
来源：
FUEL | 2018年 / 234卷
基金：
中国国家自然科学基金;
关键词：
In-situ burning; Annular ice cavity; Double lateral cavity; Burning rate; Flame height; OF-THE-ART; FLAME CHARACTERISTICS; REDUCED PRESSURE; AIR ENTRAINMENT; SPILL RESPONSE; WATER; TEMPERATURE; CLEANUP; CHANNEL; HEIGHT;
D O I：
10.1016/j.fuel.2018.07.049
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
A series of experiments with different pool sizes and moisture contents were conducted to study the combustion behavior of pool fires in annular ice cavity. The initial pool area of 78.5 cm(2) and the initial oil thickness of 10 mm were determined in the each experiment. The results show that the double lateral cavity is formed after the pool fire in an annular ice cavity and the decrease of inner diameter is about 1.1 times as much as increase of outer diameter. Compared with circular ice cavity pool fires, fire merging, a unique phenomenon in annular ice cavity pool fires, was observed. The burning rate exhibits three stages: initial growth stage, merged growth stage and decay stage. Increasing pool diameters and moisture contents reduce the burning rate and flame height. The merged intensity (I-m) increases as the increase of pool diameters and moisture content, while the influence coefficient of merged fire (phi) has a contrary trend. A new correlation for predicting the flame height is proposed.
引用
收藏
页码：464 / 472
页数：9
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