EXPERIMENTAL STUDY OF THE EFFECTS OF SIDE-EDGE BURNING IN THE DOWNWARD FLAME SPREAD OF THIN SOLID FUELS

被引:25
作者
Comas, Bruna [1 ]
Pujol, Toni [2 ]
机构
[1] Univ Girona, Escola Politecn Super, Dept Fis, Girona 17071, Catalonia, Spain
[2] Univ Girona, Escola Politecn Super, Dept Engn Mecan & Construccio Ind, Girona 17071, Catalonia, Spain
关键词
Downward combustion; Flame spread; Side burning; FLOW; MICROGRAVITY; SAMPLES;
D O I
10.1080/00102202.2011.648033
中图分类号
O414.1 [热力学];
学科分类号
摘要
A comparison between the downward flame spread rate for thermally thin samples with one or two inhibited edges is done in multiple situations. The effects of atmospheric composition as well as the width and thickness of a cellulosic-type fuel are tested experimentally. We have found that the normal velocity to the inclined flame front in a side-edge burning is very similar to the downward flame front speed when the sample is inhibited by both edges. Also, the effect of locating a sidewall close to the free edge of the sample is investigated. All these results may be important in order to validate or refute possible models of downward flame spread that take into account side effects.
引用
收藏
页码:489 / 504
页数:16
相关论文
共 26 条
[1]   BUOYANCY EFFECTS ON FLAMES SPREADING DOWN THERMALLY THIN FUELS [J].
ALTENKIRCH, RA ;
EICHHORN, R ;
SHANG, PC .
COMBUSTION AND FLAME, 1980, 37 (01) :71-83
[2]   Opposed-flow flame spread in micro gravity-theoretical prediction of spread rate and flammability map [J].
Bhattacharjee, S ;
Ayala, R ;
Wakai, K ;
Takahashi, S .
PROCEEDINGS OF THE COMBUSTION INSTITUTE, 2005, 30 (02) :2279-2286
[4]   EFFECT OF AN UNINHIBITED EDGE ON DOWNWARD FLAME PROPAGATION [J].
CREEDEN, JV ;
SIBULKIN, M .
COMBUSTION SCIENCE AND TECHNOLOGY, 1976, 14 (1-3) :123-124
[5]  
de Ris J., 1969, Proceedings of the Combustion Institute, V12, P241
[6]   EXACT SOLUTION FOR THE RATE OF CREEPING FLAME SPREAD OVER THERMALLY THIN MATERIALS [J].
DELICHATSIOS, MA .
COMBUSTION SCIENCE AND TECHNOLOGY, 1986, 44 (5-6) :257-267
[7]  
di Blasi C., 1988, P COMBUST INST, V22, P1205
[8]   PROCESSES OF FLAMES SPREADING OVER THE SURFACE OF CHARRING FUELS - EFFECTS OF THE SOLID THICKNESS [J].
DIBLASI, C .
COMBUSTION AND FLAME, 1994, 97 (02) :225-239
[9]  
Emmons H., 1971, Proc. Combust. Inst, V13, P917, DOI DOI 10.1016/S0082-0784(71)80092-9
[10]  
Fernandez-Pello A.C., 1981, Proc. Combust. Inst, V18, P579