掘進切羽におけるメタンガスの流動シミュレーション -局部通気を行う作業箇所における環境条件の解析(第3報)- Simulation of Methane Gas Distribution at a Heading Face -Analysis of environmental conditions at a heading face with a aauxiliary ventilation (3rd Report)-

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A heading face is usually ventilated by a forcing auxiliary ventilation system with an auxiliary fan and duct, because more heat, gases and dust produced by blasting or machines are liberated in the heading place rather than in other working places. In particular, because the explosive gases such as the methane gas are likely to cause serious disaster, appropriate countermeasures are required in such a heading face. Although a number of studies about the gas diffusion by ventilation at a heading face have been reported, methodical studies are not seen because most of the results are based on assumptions, due to difficulties in measurement of experiments and in theoretical analysis. From this point of view, a theoretical study on the profile of gas concentration at a heading face has been performed by using the CFD code `LASA 96' which is also used overseas based on SIMPLE algorithm. It is shown that the results of simulation coincide with the actual phenomena and can be available to estimate of ventilation including gas in a heading face.

収録刊行物

  • 資源と素材 : 資源・素材学会誌 : journal of the Mining and Materials Processing Institute of Japan  

    資源と素材 : 資源・素材学会誌 : journal of the Mining and Materials Processing Institute of Japan 114(4), 229-235, 1998-04-25 

    The Mining and Materials Processing Institute of Japan

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各種コード

  • NII論文ID(NAID)
    10002467413
  • NII書誌ID(NCID)
    AN10062646
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09161740
  • NDL 記事登録ID
    4470691
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-315
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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