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加压条件下甲烷/空气预混火焰可燃极限的微重力实验研究
Alternative TitleEXPERIMENTAL STUDIES OF THE FLAMMABILITY LIMITS OF PREMIXED CH_4/AIR MIXTURES AT ELEVATED PRESSURES AT MICROGRAVITY
张海; 樊融; 田雪沁; 许考; 汤根土; 王双峰; 万士昕
Source Publication工程热物理学报
2010-01-15
Volume31Issue:1Pages:173-176
ISSN0253-231X
Abstract本文成功搭建了适用于中国科学院力学研究所国家微重力实验室(NMLC)落塔的高压对冲火焰实验系统, 并首次开展了微重力条件下加压对冲火焰实验, 测定了一定张力条件下甲烷/空气层流预混火焰的熄灭极限. 实验结果表明, 随着压力的增高, 甲烷/空气混合气体的可燃极限呈先增后降的非单调变化趋势, 峰值发生在0.4 MPa左右. 浮力对加压下微弱火焰熄灭极限的影响明显, 在常重力条件下, 相同张力下的熄灭极限较微重力条件下的偏大, 峰值出现的压力略低. 微重力条件下的实验结果与使用CHEMKIN的数值模拟的结果相当一致.
Keyword加压 可燃极限 预混火焰 微重力 落塔
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Indexed ByCSCD
Language中文
Funding Organization国家自然基金项目资助(No.50576041)
CSCD IDCSCD:3911329
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/44060
Collection国家微重力实验室
Corresponding Author张海
Recommended Citation
GB/T 7714
张海,樊融,田雪沁,等. 加压条件下甲烷/空气预混火焰可燃极限的微重力实验研究[J]. 工程热物理学报,2010,31(1):173-176.
APA 张海.,樊融.,田雪沁.,许考.,汤根土.,...&万士昕.(2010).加压条件下甲烷/空气预混火焰可燃极限的微重力实验研究.工程热物理学报,31(1),173-176.
MLA 张海,et al."加压条件下甲烷/空气预混火焰可燃极限的微重力实验研究".工程热物理学报 31.1(2010):173-176.
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