突出煤-瓦斯在巷道内的运移规律
TD713; 以煤与瓦斯突出过程中煤-瓦斯两相流为研究对象,利用自主研发的煤与瓦斯突出动力效应模拟试验装置进行了巷道中突出煤-瓦斯两相流试验研究,通过试验观察将煤颗粒的运动过程分为加速、平衡减速及沉降等运动阶段,并综合运用固体颗粒在气流中的悬浮运动机理和能量守恒定律,建立了一维情况下突出煤在巷道中的运移数学模型.通过模型计算分析得到,突出煤颗粒运移距离随初始气流速度的增大呈增大趋势,随颗粒粒径的分布规律由于其符合的流动状态不同而不同....
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Published in | 煤炭学报 Vol. 43; no. 10; pp. 2773 - 2779 |
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Main Authors | , , , , , , |
Format | Journal Article |
Language | Chinese |
Published |
瓦斯灾害监控与应急技术国家重点实验室,重庆400037
01.10.2018
中煤科工集团重庆研究院有限公司瓦斯研究分院,重庆400037 |
Subjects | |
Online Access | Get full text |
ISSN | 0253-9993 |
DOI | 10.13225/j.cnki.jccs.2017.6002 |
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Abstract | TD713; 以煤与瓦斯突出过程中煤-瓦斯两相流为研究对象,利用自主研发的煤与瓦斯突出动力效应模拟试验装置进行了巷道中突出煤-瓦斯两相流试验研究,通过试验观察将煤颗粒的运动过程分为加速、平衡减速及沉降等运动阶段,并综合运用固体颗粒在气流中的悬浮运动机理和能量守恒定律,建立了一维情况下突出煤在巷道中的运移数学模型.通过模型计算分析得到,突出煤颗粒运移距离随初始气流速度的增大呈增大趋势,随颗粒粒径的分布规律由于其符合的流动状态不同而不同. |
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AbstractList | TD713; 以煤与瓦斯突出过程中煤-瓦斯两相流为研究对象,利用自主研发的煤与瓦斯突出动力效应模拟试验装置进行了巷道中突出煤-瓦斯两相流试验研究,通过试验观察将煤颗粒的运动过程分为加速、平衡减速及沉降等运动阶段,并综合运用固体颗粒在气流中的悬浮运动机理和能量守恒定律,建立了一维情况下突出煤在巷道中的运移数学模型.通过模型计算分析得到,突出煤颗粒运移距离随初始气流速度的增大呈增大趋势,随颗粒粒径的分布规律由于其符合的流动状态不同而不同. |
Author | 曹偈 赵旭生 孙海涛 王波 苗法田 孙东玲 戴林超 |
AuthorAffiliation | 瓦斯灾害监控与应急技术国家重点实验室,重庆400037;中煤科工集团重庆研究院有限公司瓦斯研究分院,重庆400037 |
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Author_FL | DAI Linchao CAO Jie SUN Dongling SUN Haitao ZHAO Xusheng MIAO Fatian WANG Bo |
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DocumentTitle_FL | Migration law of outburst coal and gas in roadway |
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Title | 突出煤-瓦斯在巷道内的运移规律 |
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