Flammability parameters of sprayed and foam aerosols selected for studies

被引:0
|
作者
Kukfisz, Bozena [1 ]
机构
[1] Main Sch Fire Serv, Fac Fire Safety Engn, 52-54 Slowackiego St, PL-01629 Warsaw, Poland
来源
FIRE AND ENVIRONMENTAL SAFETY ENGINEERING 2018 (FESE 2018) | 2018年 / 247卷
关键词
D O I
10.1051/matecconf/201824700029
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
The paper presents classification criteria for flammability parameters of sprayed and foamed aerosols [1-3]. Tests were carried out to determine such flammability criteria, as combustion heat of a substance, distance of sprayed aerosol from the ignition source at which ignition takes place, time equivalent necessary for ignition to take place and the density of deflagration for sprayed aerosols. For foamed aerosols the determined parameters comprised combustion heat parameters for a substance, the maximum flame height and the flame retention time. Based on the obtained flammability it may be unequivocally stated that aerosol products pose a serious fire hazard. Aerosols selected for testing pose a serious explosion hazard within a confined space. It seems that from among all the tested aerosols the most hazardous products in this respect comprise solvent and stain remover and DW 40. Within a space of 200 dm(3) those products required 3 and 4 seconds of aerosol spraying respectively until the moment of initiating an explosion. Aerosol products in which use was made of propane-butane a carrier gas characterise by very similar flammability and explosivitiy parameters within a closed or confined space.
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页数:8
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