CAJ | 학술논문

为了分析煤层注热对煤体瓦斯产出的影响效应，需要对注热条件下煤体瓦斯吸附、解吸规律和煤体渗透率变化规律进行研究。基于Langmuir吸附模型和Warren-Root几何模型等假设条件，结合弹性力学和渗流力学理论，建立了煤体瓦斯吸附及渗透模型并对其进行了分析，最终得出在注热条件下，温度和水分对煤体瓦斯吸附和渗透率的影响规律，为煤层注热多场耦合模型的分析求解奠定了基础。
위료분석매층주열대매체와사산출적영향효응，수요대주열조건하매체와사흡부、해흡규률화매체삼투솔변화규률진행연구。기우Langmuir흡부모형화Warren-Root궤하모형등가설조건，결합탄성역학화삼류역학이론，건립료매체와사흡부급삼투모형병대기진행료분석，최종득출재주열조건하，온도화수분대매체와사흡부화삼투솔적영향규률，위매층주열다장우합모형적분석구해전정료기출。
In this paper,study was carried out on the adsorption and desorption laws of coal gas and the change laws of coal permeability under the condition of heat injection in order to analyze the influence of heat injection in coal seam on the coal gas output . Based on the assumptions of Langmuir model and Warren-Root geometric model and by combining the elasticity mechanics with the fluid mechanics,the coal gas adsorption model and coal permeability model were established and then analyzed. Finally, the influence of temperature and moisture on the gas adsorption and permeability of coal was obtained under the condition of heat injection,this thus laid the foundation for the analysis and solution of the coal seam heat injection multi-physics coupling model.