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基于Box-Behnken响应面的煤尘爆炸强度多因子耦合效应的实验研究

郭宏泽 陈曦 杨恒一

郭宏泽, 陈曦, 杨恒一. 基于Box-Behnken响应面的煤尘爆炸强度多因子耦合效应的实验研究[J]. 爆炸与冲击, 2026, 46(8): 085402. doi: 10.11883/bzycj-2025-0045
引用本文: 郭宏泽, 陈曦, 杨恒一. 基于Box-Behnken响应面的煤尘爆炸强度多因子耦合效应的实验研究[J]. 爆炸与冲击, 2026, 46(8): 085402. doi: 10.11883/bzycj-2025-0045
GUO Hongze, CHEN Xi, YANG Hengyi. Experimental study of the multi-factor coupling effect of coal dust explosion intensity based on Box-Behnken response surface[J]. Explosion And Shock Waves, 2026, 46(8): 085402. doi: 10.11883/bzycj-2025-0045
Citation: GUO Hongze, CHEN Xi, YANG Hengyi. Experimental study of the multi-factor coupling effect of coal dust explosion intensity based on Box-Behnken response surface[J]. Explosion And Shock Waves, 2026, 46(8): 085402. doi: 10.11883/bzycj-2025-0045

基于Box-Behnken响应面的煤尘爆炸强度多因子耦合效应的实验研究

doi: 10.11883/bzycj-2025-0045
基金项目: 国家自然科学基金(52174195,51704145)
详细信息
    作者简介:

    郭宏泽(2000- ),男,硕士研究生,guohz777@163.com

    通讯作者:

    陈 曦(1987- ),男,副教授,chenxi01@tyut.edu.cn

  • 中图分类号: O389

Experimental study of the multi-factor coupling effect of coal dust explosion intensity based on Box-Behnken response surface

  • 摘要: 为分析煤尘瞬态爆炸反应过程中多因素耦合效应对爆炸强度的影响,采用Box-Behnken试验设计方法在20 L球形爆炸测试系统中进行了45组爆炸试验,观察了煤尘质量浓度(ρ)、煤尘粒径(D)、煤挥发分质量分数(w)、点火能量(E)和点火延迟(td)5个因素耦合作用下煤尘爆炸强度的宏观特征。通过测量压力变化来监控爆炸过程,并从压力-时间曲线确定最大爆炸压力(pmax)及最大爆炸压力上升速率($ {\dot{p}}_{\max } $)。使用Design-Expert软件分析实验结果,建立了响应量pmax和$ {\dot{p}}_{\max } $的二次回归模型。结果显示,在方差分析中,pmax和$ {\dot{p}}_{\max } $的决定系数R2分别为0.97710.9258,表明模型和实验数据拟合良好。在模型中,对煤尘最大爆炸压力($ {{p}}_{\max } $)影响最大的单因素是点火能量(E)和点火延迟(td),对最大爆炸压力上升速率($ {\dot{p}}_{\max } $)影响最大的单因素是煤尘粒径(D)和点火延迟(td)。影响pmax的显著双因素交互作用是ρDρEρtdDwwEwtdEtd,而影响$ {\dot{p}}_{\max } $的显著双因素交互作用是ρtdDwDtdwtdEtd。其中,点火延迟(td)在响应量pmax和$ {\dot{p}}_{\max } $中起决定性作用。
  • 图  1  实验装置

    Figure  1.  Experimental device

    图  2  实验现场

    Figure  2.  Experimental site

    图  3  响应量残差正态概率图

    Figure  3.  Normal probability plot of residuals for response variable

    图  4  响应量预测值-实际值图

    Figure  4.  Plot of predicted values vs. actual values for response variable

    图  5  响应量残差-实验编号图

    Figure  5.  Plot of residuals vs. experiment number for response variable

    图  6  响应量杠杆值-实验编号图

    Figure  6.  Plot of leverage vs. experiment number for response variable

    图  7  响应量pmax响应曲面图

    Figure  7.  Response value pmax response surface plot

    图  8  响应量$ {\dot{p}}_{\max } $响应曲面图

    Figure  8.  Response value $ {\dot{p}}_{\max } $ response surface plots

    表  1  煤样各组分及元素质量分数

    Table  1.   Mass fraction of components and elements in coal samples %

    煤样编号 水分 挥发分 灰分 固定碳 C H O N S
    煤样1 6.41 34.47 3.59 55.53 73.78 4.68 19.49 1.58 0.47
    煤样2 6.01 31.47 2.99 59.53 77.45 3.24 18.08 1.03 0.2
    煤样3 1.17 28.63 13.18 57.02 76.70 3.84 15.95 1.36 1.15
    下载: 导出CSV

    表  2  试验影响因素及水平

    Table  2.   Factors and levels affecting the experiment

    水平 ρ/(g·m−3) D/μm w/% E/kJ td/ms
    −1 200 58 28.6 4 60
    0 300 119 31.5 5 80
    1 400 180 34.4 6 100
    下载: 导出CSV

    表  3  Box-Behnken试验方案及结果

    Table  3.   Box-Behnken experimental design and results

    试验编号 ρ/(g·m−3) D/μm w/% E/kJ td/ms pmax/MPa $\dot {p}_{\max} $/(MPa·s−1) pmax相对误差/% ${\dot{p}}_{\max } $相对误差/%
    1 300 58 31.5 5 60 0.6136 38.6899 3.1 2.3
    2 300 119 34.4 4 80 0.5398 24.9074 1.7 4.7
    3 300 119 31.5 5 80 0.5639 25.8196 4.3 0.8
    4 300 119 28.6 5 100 0.5196 16.4131 0.5 3.4
    5 200 119 31.5 5 100 0.5023 12.5697 2.8 5.0
    6 200 119 31.5 4 80 0.5541 24.4600 2.1 1.6
    7 300 180 31.5 5 60 0.6099 36.1483 3.9 4.1
    8 300 58 31.5 6 80 0.5808 31.4863 2.4 2.9
    9 300 119 34.4 6 80 0.5684 28.4717 1.2 0.2
    10 300 119 34.4 5 100 0.5214 20.0977 4.8 3.7
    11 300 58 28.6 5 80 0.5500 26.7969 0.9 1.1
    12 400 180 31.5 5 80 0.5331 24.7871 3.5 4.9
    13 400 119 34.4 5 80 0.5357 26.5759 2.1 2.0
    14 300 119 31.5 5 80 0.5711 24.5424 4.6 0.5
    15 300 58 31.5 5 100 0.5606 26.1586 1.0 3.8
    16 200 119 34.4 5 80 0.5431 22.5871 0.3 4.3
    17 200 119 28.6 5 80 0.5359 23.1011 4.0 1.9
    18 300 119 31.5 5 80 0.5693 23.4408 2.7 0.7
    19 300 180 34.4 5 80 0.5378 20.4326 3.2 2.6
    20 400 119 31.5 5 60 0.5552 33.2927 4.7 2.9
    21 300 180 31.5 5 100 0.5412 17.0977 1.8 3.0
    22 300 119 28.6 4 80 0.5421 25.4424 0.7 1.4
    23 300 119 28.6 5 60 0.5657 40.5894 2.9 4.6
    24 400 119 31.5 6 80 0.5605 25.7920 5.0 2.2
    25 400 119 31.5 4 80 0.5319 24.1202 3.6 0.9
    26 300 119 31.5 6 100 0.5752 23.4433 1.4 4.4
    27 300 58 31.5 4 80 0.5784 32.2736 4.2 3.5
    28 300 119 28.6 6 80 0.5469 27.4668 0.1 1.3
    29 200 58 31.5 5 80 0.5632 25.4277 2.5 0.4
    30 300 119 34.4 5 60 0.5948 36.5107 3.5 2.8
    31 200 119 31.5 5 60 0.6067 35.3311 4.9 4.5
    32 300 119 31.5 6 60 0.5787 33.9722 1.2 1.7
    33 200 180 31.5 5 80 0.5637 19.7039 0.6 3.4
    34 200 119 31.5 6 80 0.5560 25.4570 2.3 0.1
    35 400 58 31.5 5 80 0.5548 27.4668 4.4 2.5
    36 300 180 31.5 6 80 0.5761 26.7969 1.9 4.8
    37 300 180 31.5 4 80 0.5650 23.4473 3.0 3.9
    38 400 119 28.6 5 80 0.5262 26.1270 2.6 1.0
    39 300 119 31.5 5 80 0.5657 24.7773 0.8 0.6
    40 300 180 28.6 5 80 0.5635 26.1172 4.1 2.7
    41 300 119 31.5 5 80 0.5668 23.7822 1.5 4.0
    42 300 119 31.5 4 60 0.6097 42.2051 1.5 1.8
    43 300 119 31.5 4 100 0.5224 18.1277 3.7 3.2
    44 400 119 31.5 5 100 0.5366 20.0436 2.2 0.3
    45 300 58 34.4 5 80 0.5808 33.1611 0.4 4.8
    下载: 导出CSV

    表  4  各模型方差分析结果

    Table  4.   ANOVA results for each model

    方差来源 顺序P 缺失拟合P 决定系数R2 修正后R2 预测系数R²
    pmax $ {\dot{p}}_{\max } $ pmax $ {\dot{p}}_{\max } $ pmax $ {\dot{p}}_{\max } $ pmax $ {\dot{p}}_{\max } $ pmax $ {\dot{p}}_{\max } $
    线性 < 0.0001 <0.0001 0.0010 0.0146 0.5306 0.8069 0.4704 0.7821 0.3594 0.7391
    2FI 0.0998 0.0804 0.0013 0.0207 0.7121 0.8842 0.5632 0.8244 0.2328 0.7056
    二次 < 0.0001 <0.0001 0.1051 0.2084 0.9771 0.9258 0.9580 0.9543 0.9112 0.9050
    三次 0.4117 0.2115 0.0854 0.2798 0.9923 0.9751 0.9623 0.9683 0.5794 0.7054
    下载: 导出CSV

    表  5  二次回归分析模型方差分析表

    Table  5.   ANOVA model for quadratic regression analysis

    来源 自由度 平方和 均方 F 显著性P
    pmax $ {\dot{p}}_{\max } $ pmax $ {\dot{p}}_{\max } $ pmax $ {\dot{p}}_{\max } $ pmax $ {\dot{p}}_{\max } $
    模型整体 20 0.0275 1739.93 0.0014 87 51.19 46.95 < 0.0001 < 0.0001
    ρ 1 0.0005 23.93 0.0005 23.93 19.28 12.92 0.0002 0.0015
    D 1 0.0005 137.65 0.0005 137.65 19.67 74.29 0.0002 < 0.0001
    w 1 0.0003 0.0298 0.0003 0.0298 12.04 0.0161 0.002 0.9002
    E 1 0.0006 3.9 0.0006 3.9 22.92 2.11 < 0.0001 0.1596
    td 1 0.0129 1274.28 0.0129 1274.28 482.08 687.76 < 0.0001 < 0.0001
    ρD 1 0.0001 2.32 0.0001 2.32 4.59 1.25 0.0425 0.2746
    ρw 1 0.0001 0.2318 0.0001 0.2318 0.0493 0.1251 0.8262 0.7267
    ρE 1 0.0002 0.1138 0.0002 0.1138 6.64 0.0614 0.0165 0.8063
    ρtd 1 0.0018 22.62 0.0018 22.62 68.57 12.21 < 0.0001 0.0019
    Dw 1 0.0008 36.29 0.0008 36.29 29.73 19.59 < 0.0001 0.0002
    DE 1 0 4.28 0 4.28 0.705 2.31 0.4094 0.1417
    Dtd 1 0.0001 10.63 0.0001 10.63 2.3 5.73 0.1428 0.0248
    wE 1 0.0001 0.5928 0.0001 0.5928 5.28 0.32 0.0306 0.5769
    wtd 1 0.0002 15.07 0.0002 15.07 6.94 8.13 0.0145 0.0088
    Etd 1 0.0018 45.89 0.0018 45.89 65.41 24.77 < 0.0001 < 0.0001
    ρ2 1 0.0027 18.85 0.0027 18.85 102.35 10.17 < 0.0001 0.0039
    D2 1 0.0005 24.64 0.0005 24.64 18.2 13.3 0.0003 0.0013
    w2 1 0.0024 5.3 0.0024 5.3 90.9 2.86 < 0.0001 0.1036
    E2 1 0.0001 29.27 0.0001 29.27 0.0887 15.8 0.7684 0.0006
    td2 1 0.0001 71.53 0.0001 71.53 2.45 38.61 0.1309 < 0.0001
    残差 24 0.0006 44.47 0 1.85
    失拟项 20 0.0006 41.01 0 2.05 3.73 2.38 0.1051 0.2084
    纯误差 4 0 3.45 0.0001 0.8633
    校正总平方和 44 0.0281 1784.4
    下载: 导出CSV
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出版历程
  • 收稿日期:  2025-02-18
  • 修回日期:  2025-06-06
  • 网络出版日期:  2025-06-10
  • 刊出日期:  2026-08-05

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