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首页> 外文期刊>資源と素材: 资源·素材学会志 >Simulations of Methane Gas Flow in the Drainage Pipeline Network in a Coal Mine (1st Report)—Simulation program for calculation of gas flow in the drainage pipeline network
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Simulations of Methane Gas Flow in the Drainage Pipeline Network in a Coal Mine (1st Report)—Simulation program for calculation of gas flow in the drainage pipeline network

机译：煤矿排水管网中甲烷气流的模拟（第一份报告）—用于计算排水管网中气流的模拟程序

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摘要

In order to reduce the methane emission frommining panels into the working area, an effective methane drainagefrom the coal seam at the high concentrations of methane is needed.One of the methods is to control the pressure at the optimum levelin methane drainage pipeline network.We developed a program for calculation of methane gas flow inmethane drainage pipelines of a under ground coal mine to controlthe flow rate of gas and concentration of methane in thenetwork. Some cases were calculated by using methane drainagepipelines networks of Taiheiyo Coal Mine.From the results, there is no difference between the calculatedresults using the developed calculation program and measuredresults, practically.We believe that using this calculation program leads to goodresults when they change part of the methane drainage pipelinenetwork and control the flow rate in the network.
机译：为了减少开采面板向工作区域的甲烷排放，需要在高浓度甲烷下有效地从煤层中抽出甲烷。其中一种方法是将甲烷排放管网中的压力控制在最佳水平。一种用于计算地下煤矿的瓦斯排放管道中甲烷流量的程序，以控制网络中的瓦斯流量和甲烷浓度。通过太平洋煤矿瓦斯抽放管网对一些案例进行了计算，从结果来看，使用开发的计算程序计算的结果与实测结果之间没有差异，实际上，我们相信使用此计算程序在改变部分煤层气时可以获得良好的结果。甲烷排放管网并控制管网中的流量。

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