|本期目录/Table of Contents|

[1]何海,邓玉山,武保林,等.装置进气口宽度对不同尺寸油盘火旋风燃烧特性影响的研究[J].中国安全生产科学技术,2020,16(8):69-74.[doi:10.11731/j.issn.1673-193x.2020.08.011]
 HE Hai,DENG Yushan,WU Baolin,et al.Study on the influence of the inlet width of the device on the combustion characteristics of different sizes of oil pan fire whirl[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2020,16(8):69-74.[doi:10.11731/j.issn.1673-193x.2020.08.011]
点击复制

装置进气口宽度对不同尺寸油盘火旋风燃烧特性影响的研究
分享到:

《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
16
期数:
2020年8期
页码:
69-74
栏目:
职业安全卫生管理与技术
出版日期:
2020-08-31

文章信息/Info

Title:
Study on the influence of the inlet width of the device on the combustion characteristics of different sizes of oil pan fire whirl
文章编号:
1673-193X(2020)-08-0069-06
作者:
何海邓玉山武保林江平
(沈阳航空航天大学 安全工程学院,辽宁 沈阳 110136)
Author(s):
HE Hai DENG Yushan WU Baolin JIANG Ping
(School of Safety Engineering,Shenyang Aerospace University,Shenyang Liaoning 110136,China)
关键词:
火旋风进气口宽度油盘尺寸质量损失速率火焰高度环量消防火灾
Keywords:
fire whirl air inlet width oil pan size mass loss rate flame height circular rector fire fighting
分类号:
X932
DOI:
10.11731/j.issn.1673-193x.2020.08.011
文献标志码:
A
摘要:
为探究进气口宽度对火旋风燃烧特性的影响,利用自然驱动的四面边墙夹缝式装置对不同进气口宽度使用150,200,250 mm 3种直径进行实验研究。由燃料质量随时间变化曲线得出准稳态阶段火旋风的质量燃烧速率;利用摄像机记录火焰的连续图像并获得火焰高度。结果表明:针对实验室小型火旋风(150~250 mm),在进气口宽度为35 mm左右时,火旋风的燃烧速率最大,即火旋风的燃烧强度存在1个最佳的进气口宽度;当火焰高度达到最高时,环量也存在1个临界值。
Abstract:
In order to explore the influence of air inlet width on the combustion characteristics of fire whirl,the experimental study was conducted on the oil pans with three diameters(150,200,250mm) under different air inlet widths by using the naturally driven foursided wall clamping device.The mass combustion rate of fire whirl in the quasisteady stage was obtained by the change curve of fuel mass with time,and the flame height was obtained by the continuous images of flame recorded by the camera.The results showed that for the small fire whirl (150~250 mm) in the laboratory,the combustion rate of fire whirl was the largest when the air inlet width was about 35 mm,namely there existed an optimum air inlet width for the combustion intensity of fire whirl.Meanwhile,when the flame height was the highest,there existed a critical value for the circular rector.

参考文献/References:

[1]金晓钟,程邦瑜.森林火灾过程中的火旋风特性[J].自然灾害学报,1997,6(2):35-40. JIN Xiaozhong,CHENG Bangyu.Fire cyclone characteristics during forest fire[J].Natural Disasters,1997,6(2):35-40.
[2]周建军,蒋冯辉.小型静态火漩涡的实验研究[J].实验力学,1997,12(3):406-410. ZHOU Jianjun,JIANG Fenghui.Experimental study on small static fire vortex [J].Experimental Mechanics,1997,12(3):406-410.
[3]雷佼.火旋风燃烧动力学的实验与理论研究[D].合肥:中国科学技术大学,2012.
[4]陈爱平,崔晓星.室内火灾旋转火焰理论分析与实验研究[J].消防科学与技术,2010,29(2):87-91. CHEN Aiping,CUI Xiaoxing.Theoretical analysis and experimental research on indoor fire rotating flame [J].Fire Science and Technology,2010,29(2):87-91.
[5]王爽.外加环量作用下单油盘火旋风实验研究[J].消防科学与技术,2016,35(1):18-22. WANG Shuang.Experimental study on an oil pan fire cyclone with applied ring effect [J].Fire Science and Technology,2016,35(1):18-22
[6]李迁.基于FDS的不同狭缝火旋风模拟研究[J].消防科学与技术,2016,35(10):1359 -1362. LI Qian.Simulation of different slit fire swirls based on FDS [J].Fire Scienceand Technology,2016,35(10):1359-1362.
[7]张光辉,夏子潮,毛少华.小尺度火旋风临界环量数值模拟与特性分析[J].消防科学与技术,2018,37(4):477-480. ZHANG Guanghui,XIA Zichao,MAO Shaohua.Numerical simulation and characteristic analysis of critical ring quantities of small scale fire swirl[J].Fire Science and Technology,2018,37(4):477-480.
[8]王鹏飞,刘眶亚,张笑怡.开放环境下火旋风火焰温度变化规律实验研究[J].消防科学与技术,2018,37(2):153-156. WANG Pengfei,LIU Kuangya,ZHANG Xioayi.Experimental study on fire cyclone flame temperature variation in open environment [J].Fire Science and Technology,2018,37(2):153-156.
[9]BYRAM G M,MARTIN R E.The modeling of fire whirlwinds[J].Forest Science,1970,16:386-399.
[10]HARIHARAN S B,ANDERSON P M,XIAO H,et al.The blue whirl:boundary layer effects,temperature and OH* measurements[J].Combustion and Flame,2019,203(5):352-361.
[11]SASAKI T,IGARI M,KUWANA K.Fire whirls behind an L-shaped wall in a crossflow[J].Combustion and Flame,2018,197(11):197-203.
[12]王鹏飞.火旋风的火焰与流动特性研究[D].合肥:中国科学技术大学,2015.
[13]BATTAGLIA B,REHM R G,BAUM H R.The fluid mechanics of fire whirls:an inviscid model[J].Physics of Fluids,2000,12(11):2859-2867.
[14]ZHOU K,LIU N,LOZANO J S,et al.Effect of flow circulation on combustion dynamics of fire whirl[J].Proceedings of Combustion Institute,2013,34:2617-2624.
[15]王亨,王飞,王爽,等.火旋风质量燃烧速率与热释放速率研究[J].消防科学与技术,2017,36(9):1203-1206. WANG Heng,WANG Fei,WANG Shuang,et al.Study on mass burning rate and heat release rate of fire whirls[J].Fire Science and Technology,2017,36(9):1203-1206.

相似文献/References:

[1]解北京,杜玉晶,曾膑.CO2和ABC干粉灭火剂扑灭火旋风火焰实验对比分析[J].中国安全生产科学技术,2018,14(9):31.[doi:10.11731/j.issn.1673-193x.2018.09.005]
 XIE Beijing,DU Yujing,ZENG Bin.Experimental comparative analysis of CO2 and ABC dry powder fire extinguishing agents for extinguishing fire whirlwind flame[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2018,14(8):31.[doi:10.11731/j.issn.1673-193x.2018.09.005]

备注/Memo

备注/Memo:
收稿日期: 2019-12-28
作者简介: 何海,硕士研究生,主要研究方向为防火防爆。
更新日期/Last Update: 2020-09-10