Measurements of laminar flame speeds and flame instability analysis of 2-methyl-1-butanol-air mixtures

被引：62

作者：

Li, Qianqian ^{[1
]}

Hu, Erjiang ^{[1
]}

Cheng, Yu ^{[1
]}

Huang, Zuohua ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Xian 710049, Peoples R China

来源：

FUEL | 2013年 / 112卷

基金：

中国国家自然科学基金;

关键词：

2-Methyl-1-butanol; Laminar flame speed; Flame instability; Comparison; BURNING VELOCITIES; MARKSTEIN LENGTHS; ELEVATED PRESSURES; PREMIXED FLAMES; AIR MIXTURES; METHANOL; BUTANOL; ETHANOL; ISOOCTANE; TEMPERATURES;

D O I：

10.1016/j.fuel.2013.05.039

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：

Laminar flame speeds of 2-methyl-1-butanol (2MB)-air mixture at temperatures of 393, 433 and 473 K, pressures of 0.1, 0.25, 0.5 and 0.75 MPa, and equivalence ratios of 0.6-1.8 were measured using the spherically propagating flame. Flame instabilities were analyzed using the Lewis number, flame thickness, density ratio and Markstein length combining with the schlieren photos. Flame instability is insensitive to temperature while it increases with the increase of pressure. A correlation of laminar flame speed is provided on the basis of experimental data. Comparison was made between the laminar flame speeds of 2-methyl-1-butanol and ethanol, n-butanol and iso-octane. Results show that 2-methyl-1-butanol has the close values of laminar flame speed with those of n-butanol, but lower than those of ethanol and higher than those of iso-octane. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：263 / 271

页数：9

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