基于Matlab的大倾角煤层飞矸冲击后果数值模拟

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英文篇名：Mathematical simulation of impact consequence of flying gangue in high inclined coal seam based on Matlab 作者：郭晓伟 英文作者：Guo Xiaowei;Yongcheng Yongan Mine Safety Technology Engineering Co.,Ltd.; 关键词：飞矸 ; 大倾角煤层 ; Matlab ; 冲击力 英文关键词：flying gangue;;coal seam with large dip angle;;Matlab;;impact force 中文刊名：ZZMT 英文刊名：China Energy and Environmental Protection 机构：永城永安矿山安全技术工程有限公司; 出版日期：2019-07-25 10:04 出版单位：能源与环保 年：2019 期：v.41;No.283 语种：中文; 页：ZZMT201907013 页数：4 CN：07 ISSN：41-1443/TK 分类号：57-60

摘要

飞矸在重力下加速运移,动能加大,与人和设备碰撞瞬时发生。飞矸具有危害大、运移复杂的特点。每年飞矸毁物伤人事故,造成直接经济损失高达数千万,严重制约了矿井的安全生产。因此,非常有必要研究飞矸的冲击后果。基于飞矸冲击力简化计算模型,采用Matlab软件模拟自由下落高度分别为1,3,5,7,9,11,13,15,17 m,飞矸质量分别为30,120,270,480,750,1 080 kg的冲击力,绘制了冲击力对比图,分析了飞矸质量对冲击后果的影响以及自由下落高度对冲击后果的影响。研究对于防范飞矸伤人事故具有重要的意义。
        Flying gangue accelerates its movement under gravity,increases its kinetic energy,and instantaneously collides with people and equipment.Flying gangue has the characteristics of great harm and complex transportation.Every year,the accidents of flying waste injuring people cause direct economic losses up to tens of millions,which seriously restricted the safe production of mines.Therefore,it was very necessary to study the impact consequences of fly ash.Based on the simplified calculating model of impact force of flying gangue,the impact force of flying gangue was simulated by Matlab software with the free falling height of 1,3,5,7,9,11,13,15,17 m,and the mass of flying gangue of 30,120,270,480,750,1 080 kg.The impact effect of the quality of flying gangue on the impact consequence were analyzed through the comparison chart,and the impact of the free falling height on the impact was analyzed.The study of this paper was of great significance to prevent accidents of flying waste.

引文

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