Analysis of Thermo-Hydro-Mechanical Coupling of Coal and Gas with AbsorptionDesorption Thermal Effect
المؤلفون المشاركون
Hao, Jianfeng
Liang, Bing
Sun, Weiji
المصدر
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-16، 16ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-12-23
دولة النشر
مصر
عدد الصفحات
16
التخصصات الرئيسية
الملخص EN
Coal adsorption/desorption gas can cause temperature changes.
Moreover, the pressure difference between the high gas pressure area and the low gas pressure area in the coal may affect the coal adsorption/desorption gas thermal effect.
To study the effect of adsorption/desorption thermal effect on the evolution law of coal and gas outburst precursor information under different pressure differences, the adsorption/desorption thermal effect experiments were carried out.
And the thermo-hydro-mechanical coupling model was established, which reflects the interaction between coal and gas.
Under the action of ground stress, pore pressure, adsorption expansion stress, and thermal expansion stress, the model includes the dynamic evolution of coal porosity and permeability, gas adsorption-desorption-diffusion-seepage, and energy accumulation and dissipation.
Using the coupling model, the mechanism of adsorption/desorption thermal effect on the evolution of outburst precursor information and the mutual coupling relation between coal and gas is analyzed.
The experimental results show that the relation between pressure difference and coal sample temperature variation is linear, and the pressure difference has a quadratic parabolic relation with the temperature accumulation of coal sample.
As the pressure difference increases, the temperature variation of the coal sample gradually increases, but the temperature accumulation gradually decreases.
Numerical simulation results show that as the pressure difference increases, the changes in coal temperature and gas pressure gradually decrease, and the thermal expansion strain caused by the adsorption/desorption thermal effect decreases, and the permeability increases.
Comparing the calculation results with or without the adsorption/desorption thermal effect, the volumetric strain, temperature, and permeability of the coal have significant changes when the adsorption/desorption thermal effect is considered, and the gas drainage volume increases as the pressure difference increases.
The effect of thermal expansion strain caused by adsorption/desorption thermal effect on gas seepage is greater than the effect of temperature change on gas seepage.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Hao, Jianfeng& Liang, Bing& Sun, Weiji. 2020. Analysis of Thermo-Hydro-Mechanical Coupling of Coal and Gas with AbsorptionDesorption Thermal Effect. Shock and Vibration،Vol. 2020, no. 2020, pp.1-16.
https://search.emarefa.net/detail/BIM-1210217
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Hao, Jianfeng…[et al.]. Analysis of Thermo-Hydro-Mechanical Coupling of Coal and Gas with AbsorptionDesorption Thermal Effect. Shock and Vibration No. 2020 (2020), pp.1-16.
https://search.emarefa.net/detail/BIM-1210217
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Hao, Jianfeng& Liang, Bing& Sun, Weiji. Analysis of Thermo-Hydro-Mechanical Coupling of Coal and Gas with AbsorptionDesorption Thermal Effect. Shock and Vibration. 2020. Vol. 2020, no. 2020, pp.1-16.
https://search.emarefa.net/detail/BIM-1210217
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1210217
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر