Experimental study on ignition and combustion characteristics of typical oils

被引：25
作者：
Chen, Xiao [1 ,2 ]
Lu, Shouxiang [1 ]
Li, Changhai [1 ]
Zhang, Jiaqing [1 ,2 ]
Liew, Kim Meow [2 ]
机构：
[1] Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230027, Anhui, Peoples R China
[2] City Univ Hong Kong, Dept Civil & Architectural Engn, Kowloon 999077, Hong Kong, Peoples R China
来源：
FIRE AND MATERIALS | 2014年 / 38卷 / 03期
基金：
中国国家自然科学基金;
关键词：
ignition time; radiant heat flux; cone calorimeter; combustion characteristic; typical oils; CONE CALORIMETER DATA; HEAT-FLUX; POOL FIRES; PMMA; SCALE;
D O I：
10.1002/fam.2191
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The impact of radiant heat flux on ignition and combustion behavior of typical oils (diesel, lubricating oil, and aviation kerosene) was conducted in a cone calorimeter. A circular steel pan with a diameter of 10 cm was used to contain diesel, lubricating oil, and aviation kerosene without water sublayer. Using the standard oxygen consumption method, we obtained ignition time, heat release rate, mass loss rate, extinction coefficient, CO, and CO2 yield, and average specific extinction area was calculated from the extinction coefficient. Janssens' method was adopted in this study to deal with ignition time and radiant heat flux under a 0.55 power rule. Results show that the fitting through Janssens' method is good for ignition time of diesel, lubricating oil, and aviation kerosene and radiant heat flux. Moreover, heat release rate, mass loss rate, and CO/CO2 ratio appear to positively correlate with radiant heat flux, whereas average specific extinction area varies in a certain range. Copyright (c) 2013 John Wiley & Sons, Ltd.
引用
收藏
页码：409 / 417
页数：9
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