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Application of Power Ultrasound in Preventing Coal and Gas Outburst

被引：0
|
作者：
Meng Junqing [1 ,2 ]
Nie Baisheng [1 ,2 ]
机构：
[1] China Univ Min & Technol Beijing, Sch Resource & Safety Engn, Beijing 100083, Peoples R China
[2] China Univ Min & Technol, State Key Lab Coal Resources & Safe Min, Beijing 100083, Peoples R China
来源：
PROCEEDINGS OF THE 4TH INTERNATIONAL SYMPOSIUM ON MINE SAFETY (2012) | 2012年
关键词：
coal seam water infusion; power ultrasound; coal and gas outburst; mechanism;
D O I：
暂无
中图分类号：
TD [矿业工程];
学科分类号：
0819 ;
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.
引用
收藏
页码：507 / 510
页数：4
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