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首页> 外文期刊>Industrial Informatics, IEEE Transactions on >Modeling of Whole-Space Transient Electromagnetic Responses Based on FDTD and its Application in the Mining Industry
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Modeling of Whole-Space Transient Electromagnetic Responses Based on FDTD and its Application in the Mining Industry

机译：基于FDTD的全空间瞬态电磁响应建模及其在采矿业中的应用

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摘要

Hidden, water-abundant areas in coal mines pose a serious threat to mine safety and production. Underground transient electromagnetic method (TEM) is one of the most effective means of detecting water-abundant areas in front of the roadway head. Traditional TEM theories and applications are interpreted mainly on the vertical component. In this study, multicomponent responses of TEM in underground roadways were modeled using the finite-difference time-domain method. Physical simulation was also used for advanced detection of TEM in the roadway. Both the numerical and physical simulation results show that the horizontal component is more sensitive to the location of water-abundant areas. The results of the joint interpretation with both horizontal and vertical components were verified in a practical coal mine application, indicating that it is feasible to use the horizontal component in interpreting TEM data. Thus, the horizontal component could serve as a new approach for coal mine TEM data processing and interpretation.
机译：煤矿中隐藏的水量丰富的地区严重威胁着煤矿的安全和生产。地下瞬变电磁法（TEM）是检测巷道前部富水区域的最有效方法之一。传统的TEM理论和应用主要在垂直方向上进行解释。在这项研究中，使用有限差分时域方法对地下巷道中TEM的多组分响应进行建模。物理模拟还被用于道路中TEM的高级检测。数值模拟和物理模拟结果均表明，水平分量对富水区域的位置更加敏感。在实际的煤矿应用中验证了水平分量和垂直分量联合解释的结果，表明使用水平分量解释TEM数据是可行的。因此，水平分量可作为煤矿TEM数据处理和解释的新方法。

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