Application of Power Ultrasound in Preventing Coal and Gas Outburst

摘要：

The infusion increase mechanism of power ultrasound on coal seam water infusion and its prospect of application are introduced.The research results show that: The physical and mechanical properties of coal changed, coal bulk modulus and compressive strength decreases and porosity and permeability of coal can be improved due to the power ultrasound, so the effect of coal seam water infusion preventing coal and gas outburst can be strengthen.The main mechanism of power ultrasound on coal and water are mechanical and cavitations function.The technology of power ultrasound on the coal seam water infusion has a good application prospect.

关键词： coal seam water infusion power ultrasound coal and gas outburst mechanism

作者: Meng Junqing Nie Baisheng

作者单位: School of Resource and Safety Engineering,China University of Mining & Technology (Beijing) ,Beijing,100083 ,China State Key Lab of Coal Resources and Safe Mining (China University of Mining and Technology) ,Beijing,100083,China

会议类型: 国际会议

会议名称: the 4th International Symposium on Mine Safety (2012) 第四届国际矿山安全学术研讨会(2012)

会议地点: 阜新

会议语种:英文

页码: 507-510

在线出版日期: 2012-08-04（万方平台首次上网日期，不代表论文的发表时间）