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首页> 外文会议>2017 international Pittsburgh coal conference >Influence of Gas Compressibility on an Accidental Methane/Air/Coal Dust Fire Scenario in a Coalmine Passage
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Influence of Gas Compressibility on an Accidental Methane/Air/Coal Dust Fire Scenario in a Coalmine Passage

机译：瓦斯压缩率对煤矿通道甲烷/空气/煤粉尘意外火灾情景的影响

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摘要

In this study we:rn1. Characterized flame acceleration and studied the influence of arnfinger-flame shape on the burning rate. 2. Studied the effects of compressibility in 2-D channels. 3. Extended this view to examine mining scenarios with coal dust. 4. Studied the effects of different particle parameters while using arnmethod that incorporated compressibility.rnIt is found that:rn1. Compressibility effects are important for near-stoichiometric gas mixturesrn2. Compressibility effects do matter when dust is incorporatedrninto the mixture. 3. In all cases, compressibility moderated flame acceleration.
机译：在本研究中，我们：rn1。表征了火焰加速并研究了阿芬手指火焰形状对燃烧速率的影响。 2.研究了二维通道中可压缩性的影响。 3.扩展了此视图，以检查煤尘开采方案。 4.研究了采用可压缩性的方法对不同颗粒参数的影响。rn发现：rn1。压缩性效应对于接近化学计量的气体混合物很重要。当粉尘掺入混合物中时，可压缩性影响确实很重要。 3.在所有情况下，可压缩性均会降低火焰加速度。

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    Elizabeth Ridgeway; Anish Raman Calavay; Sinan Demir; Vyacheslav Akkerman; Ali S. Rangwala;

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    Center for Alternative Fuels, Engines and Emissions (CAFEE) Center for Innovation in Gas Research and Utilization (CIGRU) Computational Fluid Dynamics and Applied Multi-Physics Center Department of Mechanical and Aerospace Engineering,West Virginia University, Morgantown, WV, USA;

    Center for Alternative Fuels, Engines and Emissions (CAFEE) Center for Innovation in Gas Research and Utilization (CIGRU) Computational Fluid Dynamics and Applied Multi-Physics Center Department of Mechanical and Aerospace Engineering,West Virginia University, Morgantown, WV, USA;

    Center for Alternative Fuels, Engines and Emissions (CAFEE) Center for Innovation in Gas Research and Utilization (CIGRU) Computational Fluid Dynamics and Applied Multi-Physics Center Department of Mechanical and Aerospace Engineering,West Virginia University, Morgantown, WV, USA;

    Center for Alternative Fuels, Engines and Emissions (CAFEE) Center for Innovation in Gas Research and Utilization (CIGRU) Computational Fluid Dynamics and Applied Multi-Physics Center Department of Mechanical and Aerospace Engineering,West Virginia University, Morgantown, WV, USA;

    Department of Fire Protection Engineering Worcester Polytechnic Institute Worcester, MA, USA;

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