基于OH-PLIF的狭长受限空间油气爆炸中间基团浓度分布研究

doi:10.11949/0438-1157.20200280

化工学报 ›› 2020, Vol. 71 ›› Issue (11): 5352-5360.DOI: 10.11949/0438-1157.20200280

• 过程安全 • 上一篇

基于OH-PLIF的狭长受限空间油气爆炸中间基团浓度分布研究

蒋新生¹(),余彬彬¹(),徐建楠²,王文和³,姜俊泽¹,赵亚东¹

^1.中国人民解放军陆军勤务学院油料系，重庆 401331
^2.中国人民解放军军事科学院国防工程研究院，北京 100036
^3.重庆科技学院安全工程学院，重庆 401331

收稿日期:2020-03-16 修回日期:2020-08-06 出版日期:2020-11-05 发布日期:2020-11-05
通讯作者: 余彬彬
作者简介:蒋新生（1972—），男，博士，教授，jxs_dy@163.com
基金资助:
国家重点研发计划项目(2018YFC0809502-02);西安近代化学研究所开放合作创新基金(204-J-2019-0387);重庆市自然科学基金项目(cstc2017jcyjAX0132)

Study on concentration distribution of radical groups of gasoline-air explosion in long-narrow confined space based on OH-PLIF

Xinsheng JIANG¹(),Binbin YU¹(),Jiannan XU²,Wenhe WANG³,Junze JIANG¹,Yadong ZHAO¹

^1.Department of Oil, Army Logistical University, Chongqing 401331, China
^2.Research Institute for National Defense Engineering of Academy of Military Science, Beijing 100036, China
^3.College of Safety Engineering, Chongqing University of Science and Technology, Chongqing 401331, China

Received:2020-03-16 Revised:2020-08-06 Online:2020-11-05 Published:2020-11-05
Contact: Binbin YU

摘要/Abstract

摘要：

为了精确测量狭长受限空间油气爆炸过程中的关键自由基团，从而实现对其爆炸流场、火焰传播的精确分析，基于先进的平面激光诱导荧光测量技术（PLIF），设计构建了油气爆炸PLIF测量系统，开展了不同工况下狭长受限空间汽油-空气混合气爆炸实验研究，获得了该爆炸中间基团OH基的浓度分布。实验结果表明，1.1%~2.4%（体积分数）油气浓度之间，OH基浓度先增大后减小；随火焰的传播发展，OH基浓度不断变大，表明爆炸不断强化；爆燃不同时期OH基分布情况不同，表明不同爆燃阶段的燃烧反应区域有较大差异；爆燃前期火焰与壁面之间有“隔离带”，是由未燃气浓度增大导致火焰传播变慢的结果。主要创新点在于通过设计时序控制子系统，解决了非稳态预混燃烧中自由基分布瞬态测量。

关键词: 油气爆炸, PLIF, OH基, 反应动力学, 自由基, 爆炸

Abstract:

To measure the key free radicals of the gasoline-air explosion in long-narrow confined space accurately, which is important to the accurate analysis of the explosion flow field and the flame propagation, an experimental study on the gasoline-air mixture explosion in a long-narrow confined space is designed based on the planar laser induced fluorescence system (PLIF),and the experiments in different conditions of the gasoline-air explosion in long-narrow confined space are carried out. The concentration distributions of the OH radical of those are obtained. The results of experiments show that the concentration of OH radical rises and then descends among the gasoline concentrations of 1.1%—2.4%(volume fraction); the concentration of OH radical rises steadily along with the development of flame propagation, which means the explosion is strengthen; the distributions of the OH radical are different in different explosion stages, which means the combustion reaction area in different explosion stages differs a lot; there is a "isolation belt" between the flame and the wall, which is the result of the slowing of the flame propagation caused by the concentration increase of unburned gasoline. The main innovation is to solve the transient measurement of free radical distribution in unsteady premixed combustion by designing the timing control subsystem.

Key words: gasoline-air mixture explosion, PLIF, OH radical, reaction kinetics, radical, explosions

中图分类号:

X 937

蒋新生,余彬彬,徐建楠,王文和,姜俊泽,赵亚东. 基于OH-PLIF的狭长受限空间油气爆炸中间基团浓度分布研究[J]. 化工学报, 2020, 71(11): 5352-5360.

Xinsheng JIANG,Binbin YU,Jiannan XU,Wenhe WANG,Junze JIANG,Yadong ZHAO. Study on concentration distribution of radical groups of gasoline-air explosion in long-narrow confined space based on OH-PLIF[J]. CIESC Journal, 2020, 71(11): 5352-5360.

图/表 11

图1 油气爆炸PLIF测量系统总图

Fig.1 General experimental setup of PLIF testing system for oil and gas explosion flow field

表1 油气组分构成

Table 1 Components of the fuel

组分	质量分数/%
烷烃	40.33
环烷烃	6.12
芳香烃	40.06
烯烃	13.49

表2 重复性试验油气浓度值

Table 2 Oil gas concentrations of the repeatability test

序号	体积分数/%
1	1.8
2	1.81
3	1.81
4	1.79
5	1.8

图2 时序控制系统

Fig.2 Timing control system

图3 时序控制原理

Fig.3 Principle of the time control

图4 重复实验拍摄的12 ms时的火焰图像

Fig.4 Flame images taken in repeated experiments at 12 ms

图5 着火初期不同时刻火焰中OH基的分布及火焰图像

Fig.5 Distribution of OH radical in flame and flame images at different times in the initial period of deflagration

图6 不同时刻片状激光区域内OH基平均荧光强度的变化

Fig.6 Variation of average LIF intensity of OH radical in the laser sheet region at different time

图7 流场内不同位置的火焰中OH基的分布

Fig.7 Distribution of OH radical in flames at different positions in flow field

图8 流场不同位置处片状激光区域内OH基平均荧光强度的变化

Fig.8 Variation of average LIF intensity of OH radical in the laser sheet region at different positions of the flow field

图9 相同位置不同油气浓度下的OH基分布

Fig.9 Distribution of OH radical in the same region under different oil gas concentrations

参考文献 31

1	张媛媛, 王敏, 卢宏伟, 等. 青岛黄潍输油管道泄漏爆炸事故溢油风化规律[J]. 环境化学, 2015, (9): 1741-1747.
	Zhang Y Y, Wang M, Lu H W, et al. Weathered regulation of oil residue in natural coastal zone environment[J]. Environmental Chemistry, 2015, (9): 1741-1747.
2	Zhang P, Du Y, Zhou Y, et al. Explosions of gasoline–air mixture in the tunnels containing branch configuration[J]. Journal of Loss Prevention in the Process Industries, 2013, 26(6): 1279-1284.
3	徐建楠, 蒋新生, 张昌华, 等. 不同工况下汽油蒸气爆炸着火延迟与机理分析[J]. 化工学报, 2019, 70(1): 398-407.
	Xu J N, Jiang X S, Zhang C H, et al. Ignition delay measurements and analysis of kinetic mechanisms for gasoline-air explosion under different conditions[J]. CIESC Journal, 2019, 70(1): 398-407.
4	Jiang X S, Yu B B, Xu J N, et al. Study on the deflagration reaction process of oil gas in long-narrow confined space based on PLIF and flame spectra[J]. Journal of Loss Prevention in the Process Industries, 2020, 64: 104088.
5	Boeck L R, Lapointe S, Melguizo-Gavilanes J, et al. Flame propagation across an obstacle: OH-PLIF and 2-D simulations with detailed chemistry[J]. Proceedings of the Combustion Institute, 2017, 36(2): 2799-2806.
6	Boeck L R, Mével R, Fiala T, et al. High-speed OH-PLIF imaging of deflagration-to-detonation transition in H₂-air mixtures[J]. Experiments in Fluids, 2016, 57(6): 1-13.
7	Austin J M, Pintgen F, Shepherd J E. Reaction zones in highly unstable detonations[J]. Proceedings of the Combustion Institute, 2005, 30(2): 1849-1857.
8	Hwang J Y, Gil Y S, Kim J I, et al. Measurements of temperature and OH radical distributions in a silica generating flame using CARS and PLIF[J]. Journal of Aerosol Science, 2001, 32(5): 601-613.
9	Allison P M, Chen Y, Ihme M, et al. Coupling of flame geometry and combustion instabilities based on kilohertz formaldehyde PLIF measurements[J]. Proceedings of the Combustion Institute, 2014, 35(3): 3255-3262.
10	赵建荣, 陈立红, 俞刚, 等. 显示OH浓度分布图像的平面激光诱导荧光技术[J]. 光学技术, 2000, 26(5): 429-431, 434.
	Zhao J R, Chen L H, Yu G, et al. Planar laser induced fluorescence of OH concentration distribution imaging[J]. Optical Technique, 2000, 26(5): 429-431, 434.
11	赵建荣, 杨仕润, 俞刚, 等. 火焰结构的平面激光诱导荧光技术观测[J]. 分析测试学报, 2003, 22(2): 16-18.
	Zhao J R, Yang S R, Yu G, et al. Study on flame structure by planar laser induced fluorescence technique[J]. Journal of Instrumental Analysis, 2003, 22(2): 16-18.
12	朱家健, 赵国焱, 龙铁汉, 等. OH和CH₂O平面激光诱导荧光同时成像火焰结构[J]. 实验流体力学, 2016, 30(5): 55-60.
	Zhu J J, Zhao G Y, Long T H, et al. Simultaneous OH and CH₂O PLIF imaging of flame structures[J]. Journal of Experiments in Fluid Mechanics, 2016, 30(5): 55-60.
13	唐青龙, 耿超, 李明坤, 等. 激光诱导荧光法测量内燃机双燃料燃烧过程中的甲醛和羟基[J]. 物理化学学报, 2015(12): 2269-2277.
	Tang Q L, Geng C, Li M K, et al. Laser-induced fluorescence measurements of formaldehyde and OH radicals in dual-fuel combustion process in engine[J]. Acta Physico-Chimica Sinica, 2015(12): 2269-2277.
14	李红, 李博, 高强, 等. OH/CH₂O基于PLIF测量得到的火焰面密度比较研究[J]. 燃烧科学与技术, 2018, 24(6): 523-527.
	Li H, Li B, Gao Q, et al. Plane laser-induced fluorescence for flame surface density calculation of OH/CH₂O: a comparative study[J]. Journal of Combustion Science and Technology, 2018, 24(6): 523-527.
15	Han L, Cai G B, Xu X, et al. A conditioned level-set method with block-division strategy to flame front extraction based on OH-PLIF measurements[J]. Chinese Physics B, 2014, 23(5): 643-656.
16	刘玉英, Most J M, Bauer P. 基于氢氧基平面激光诱导荧光法的稀释燃烧机理实验研究[J]. 中国电机工程学报, 2008, 28(32): 61-65.
	Liu Y Y, Most J M, Bauer P. Experimental study on the diluted combustion mechanism using hydroxy radical planar laser induced fluorescence method[J]. Proceedings of the CSEE, 2008, 28(32): 61-65.
17	李威. 甲基膦酸二甲酯抑制碳氢火焰的机理研究[D]. 合肥: 中国科学技术大学, 2019.
	Li W. Study on the inhibiting mechanism of hydrocarbon flames by DMMP[D]. Hefei: University of Science and Technology of China, 2019.
18	徐宝剑, 刘维来, 徐胜利, 等. 基于PLIF/Mie图像测量煤油超雾化场数值特性[J]. 推进技术, 2018, 39(4): 905-911.
	Xu B J, Liu W L, Xu S L, et al. Measurement of numerical characteristics of kerosene atomization field based on PLIF/Mie image measurement method[J]. Journal of Propulsion Technology, 2018, 39(4): 905-911.
19	张猛, 王金华, 谢永亮, 等. 利用OH-PLIF测量CH₄/H₂/空气混合气湍流燃烧速率[J]. 燃烧科学与技术, 2013, (6): 512-516.
	Zhang M, Wang J H, Xie Y L, et al. Measurement of turbulent burning velocity of CH₄/H₂/air mixtures using OH-PLIF[J]. Journal of Combustion Science and Technology, 2013, (6): 512-516.
20	Fu J, Tang C, Jin W, et al. Effect of preferential diffusion and flame stretch on flame structure and laminar burning velocity of syngas Bunsen flame using OH-PLIF[J]. International Journal of Hydrogen Energy, 2014, 39(23): 12187-12193.
21	苏铁, 陈爽, 杨富荣, 等. 双色平面激光诱导荧光瞬态燃烧场测温实验[J]. 红外与激光工程, 2014, (6): 1750-1754.
	Su T, Chen S, Yang F R, et al. Investigation of temperature of transient combustion using two-line PLIF[J]. Infrared and Laser Engineering, 2014, (6): 1750-1754.
22	陈爽, Lukasz J K, 翁武斌, 等. CH₄-Air反扩散射流火焰多组分同步PLIF诊断[J]. 实验流体力学, 2018, (1): 26-32.
	Chen S, Lukasz J K, Weng W B, et al. Simultaneous multi-species PLIF diagnostic on CH₄-air inverse diffusion jet flame[J]. Journal of Experiments in Fluid Mechanics, 2018, (1): 26-32.
23	Chen S, Su T, Yang F R, et al. Calibration method for 2D instantaneous OH-PLIF temperature measurements in flame[J]. Chinese Optics Letters, 2013, 11(5): 65-68.
24	Osborne J R, Ramji S A, Carter C D, et al. Relationship between local reaction rate and flame structure in turbulent premixed flames from simultaneous 10 kHz TPIV, OH PLIF, and CH₂O PLIF[J]. Proceedings of the Combustion Institute, 2017, 36(2): 1835-1841.
25	Han D, Satija A, Gore J P, et al. Experimental study of CO₂ diluted, piloted, turbulent CH₄/air premixed flames using high-repetition-rate OH PLIF[J]. Combustion and Flame, 2018, 193: 145-156.
26	刘冲, 杜扬, 李国庆, 等. 狭长密闭空间内油气爆炸火焰特性大涡模拟[J]. 化工学报, 2018, 69(12): 5348-5358.
	Liu C, Du Y, Li G Q, et al. Large eddy simulation of gasoline-air mixture explosion in closed narrow-long space[J]. CIESC Journal, 2018, 69(12): 5348-5358.
27	李国庆, 杜扬, 齐圣, 等. 障碍物位置和油气浓度对油气泄压爆炸特性影响[J]. 化工学报, 2018, 69(5): 2327-2336.
	Li G Q, Du Y, Qi S, et al. Effects of obstacle position and gas concentration on gasoline-air explosion venting[J]. CIESC Journal, 2018, 69(5): 2327-2336.
28	崔建方, 李建华, 郭超, 等. 93号汽油组分的GC/MS研究[J]. 广州化工, 2013, 41(1): 97-102.
	Cui J F, Li J H, Guo C, et al. GC/MS study on chemical components of gasoline 93 #[J]. Guangzhou Chemical Industry, 2013, 41(1): 97-102.
29	蒋新生, 魏树旺, 何标, 等. 不同位置分支管道对油气爆炸强度的影响[J]. 振动与冲击, 2017, 36(8): 231-236.
	Jiang X S, Wei S W, He B, et al. Effect on explosion intensity of gasoline-air mixture in a pipe containing different positions of branch[J]. Journal of Vibration and Shock, 2017, 36(8): 231-236.
30	蒋新生, 魏树旺, 袁广强, 等. 狭长管道油气爆炸流场分布特征规律及分析[J]. 中国安全生产科学技术, 2016, 12(8): 130-134.
	Jiang X S, Wei S W, Yuan G Q, et al. Characteristic rules and analysis of flow field distribution for gasoline-air mixture explosion in narrow and long pipeline[J]. Journal of Safety Science and Technology, 2016, 12(8): 130-134.
31	倪图强, 聂绪建, 俞书勤, 等. 激光对火焰的诊断Ⅱ. 激光诱导荧光法对液化石油气/空气火焰中的OH基浓度二维分布的检测[J]. 物理化学学报, 1987, (2): 119-122.
	Ni T Q, Nie X J, Yu S Q, et al. Laser diagnostics for flamesⅡ: The two-dimensional concentration distribution of OH(X) in a hydrocarbon/air flame detected by laser induced fluorescence method[J]. Acta Physico-chiminca Sinica, 1987, (2): 119-122.

[1]	程成, 段钟弟, 孙浩然, 胡海涛, 薛鸿祥. 表面微结构对析晶沉积特性影响的格子Boltzmann模拟[J]. 化工学报, 2023, 74(S1): 74-86.
[2]	汪林正, 陆俞冰, 张睿智, 罗永浩. 基于分子动力学模拟的VOCs热氧化特性分析[J]. 化工学报, 2023, 74(8): 3242-3255.
[3]	杨克, 贾岳, 纪虹, 邢志祥, 蒋军成. 垃圾焚烧飞灰对瓦斯爆炸压力及火焰传播的抑制作用及机理研究[J]. 化工学报, 2023, 74(8): 3597-3607.
[4]	李珍宝, 李超, 王虎, 王绍瑞, 黎泉. MPP抑制铝镁合金粉尘爆炸微观机理研究[J]. 化工学报, 2023, 74(8): 3608-3614.
[5]	李锦潼, 邱顺, 孙文寿. 煤浆法烟气脱硫中草酸和紫外线强化煤砷浸出过程[J]. 化工学报, 2023, 74(8): 3522-3532.
[6]	何晓崐, 刘锐, 薛园, 左然. MOCVD生长AlN单晶薄膜的气相和表面化学反应综述[J]. 化工学报, 2023, 74(7): 2800-2813.
[7]	张蒙蒙, 颜冬, 沈永峰, 李文翠. 电解液类型对双离子电池阴阳离子储存行为的影响[J]. 化工学报, 2023, 74(7): 3116-3126.
[8]	张兰河, 赖青燚, 王铁铮, 关潇卓, 张明爽, 程欣, 徐小惠, 贾艳萍. H₂O₂对SBR脱氮效率和污泥性能的影响[J]. 化工学报, 2023, 74(5): 2186-2196.
[9]	李瑞康, 何盈盈, 卢维鹏, 王园园, 丁皓东, 骆勇名. 电化学强化钴基阴极活化过一硫酸盐的研究[J]. 化工学报, 2023, 74(5): 2207-2216.
[10]	禹进, 余彬彬, 蒋新生. 一种基于虚拟组分的燃烧调控化学作用量化及分析方法研究[J]. 化工学报, 2023, 74(3): 1303-1312.
[11]	武子超, 汪志雷, 李荣业, 李可昕, 华敏, 潘旭海, 王三明, 蒋军成. 点火方式对欠膨胀氢气射流爆炸超压影响规律研究[J]. 化工学报, 2023, 74(3): 1409-1418.
[12]	杨庆云, 李青松, 陈泽铭, 邓靖, 李玉瑛, 杨帆, 陈国元, 李国新. UV/PMS、UV/PDS、UV/SPC工艺降解尼泊金甲酯[J]. 化工学报, 2023, 74(3): 1322-1331.
[13]	李雨萧, 王青月, Ho Lim Khak, 李晓辉, Erlita Mastan, 彭博, 王文俊. 自由基聚合反应动力学常数测定技术[J]. 化工学报, 2023, 74(2): 559-570.
[14]	章承浩, 罗京, 张吉松. 微反应器内基于氮氧自由基催化剂连续氧气/空气氧化反应的研究进展[J]. 化工学报, 2023, 74(2): 511-524.
[15]	陈晨, 杨倩, 陈云, 张睿, 刘冬. 不同氧浓度下煤挥发分燃烧的化学动力学研究[J]. 化工学报, 2022, 73(9): 4133-4146.

基于OH-PLIF的狭长受限空间油气爆炸中间基团浓度分布研究

Study on concentration distribution of radical groups of gasoline-air explosion in long-narrow confined space based on OH-PLIF

RichHTML

PDF (PC)

可视化

摘要/Abstract

引用本文

使用本文

图/表 11

参考文献 31

相关文章 15

编辑推荐

Metrics

本文评价