| 煤层气渗流理论及其研究进展 |
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| 引用本文： | 田智威.煤层气渗流理论及其研究进展[J].地质科技情报,2010,29(1). |
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| 作者姓名： | 田智威 |
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| 作者单位： | 中国地质大学资源学院煤及煤层气工程系,武汉,430074 |
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| 基金项目： | 中国地质大学(武汉)优秀青年教师资助计划项目(CUGQNL0904);;煤燃烧国家重点实验室开放基金项目(FSKLCC0815) |
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| 摘 要： | 综述了煤层气渗流研究的现状及取得的研究进展,包括线性渗透、线性扩散、扩散—渗透以及非线性渗流等基本理论,基于各种地球物理场效应影响的渗流理论及其修正模型,以及多煤层瓦斯越流相关的研究;并介绍了新兴的数值计算方法(格子Boltzmann方法与分子动力学方法)在煤层瓦斯渗流模拟中的应用;展望了其发展趋势及尚需深入研究的问题。
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| 关 键 词： | 煤层气 渗流 数值模拟 研究进展 |
Research Advances in Coalbed Methane Seepage Mechanics |
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| TIAN Zhi-Wei.Research Advances in Coalbed Methane Seepage Mechanics[J].Geological Science and Technology Information,2010,29(1). |
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| Authors: | TIAN Zhi-Wei |
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| Institution: | Department of Coal & Coalbed Methane Engineering;Faculty of Earth Resources;China University of Geosciences;Wuhan 430074;China |
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| Abstract: | This paper presents an overview of the research progress of coal gas seepage mechanics,both in China and abroad.It first introduces some elementary seepage laws,including linear infiltration,linear diffusion,diffusion-infiltration and nonlinear seepage theories.Also it analyzes the flow rules concerning the effects of different geophysical fields and multiple coal seam leakflows.Finally,several novel numerical methods are mentioned in the application of coalbed methane seepage flows. |
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| Keywords: | coalbed methane seepage mechanics numerical simulation research advance |
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