张永利;刘婷;马玉林;尚文龙;

• 1:辽宁工程技术大学力学与工程学院

摘要(Abstract)：

为研究微波技术在新型煤层气开采中的应用，采用扫描电子显微镜观测微波热辐射前后煤体的微观孔裂隙结构变化情况，并利用自行研制的微波辐射含瓦斯煤渗流实验系统开展渗透特性实验.结果表明：微波辐射对煤体存在致裂、拓孔等作用，孔裂隙结构改变明显，宽度增值最大达到300%以上，结构损伤发育占主导地位；通过对不同微波煤样宏观渗流实验数据进行拟合处理，发现渗透率与有效应力之间满足负指数函数关系，拟合优度均大于0.97，与经典渗透率变化曲线吻合；分析微宏观相互影响规律，提出微波辐射作用煤岩结构响应系数，对渗流经典方程进行修正.研究结果为微波辐射开采煤层气技术提供了理论依据.

关键词(KeyWords)： 微波辐射;孔裂隙;渗透率;煤层气

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金（51574138）;; 原位改性采矿教育部重点实验室开放基金（KLIPM-2019-04）

作者(Authors): 张永利;刘婷;马玉林;尚文龙;

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