Numerical simulation to determine the gas explosion risk in longwall goaf areas: A case study of Xutuan Colliery
Sign Up to like & getrecommendations! Published in 2020 at "International journal of mining science and technology"
DOI: 10.1016/j.ijmst.2020.07.007
Abstract: Abstract Underground gassy longwall mining goafs may suffer potential gas explosions during the mining process because of the irregularity of gas emissions in the goaf and poor ventilation of the working face, which are risks… read more here.
Keywords: goaf; risk; gas; longwall ... See more keywords
Study on Multifield Migration and Evolution Law of the Oxidation Heating Process of Coal Spontaneous Combustion in Dynamic Goaf
Sign Up to like & getrecommendations! Published in 2023 at "ACS Omega"
DOI: 10.1021/acsomega.3c01107
Abstract: To study the dynamic evolution law of the oxidation heating process of coal spontaneous combustion in the goaf during the advancing process of the working face, a dynamic model of oxidation heating of coal spontaneous… read more here.
Keywords: temperature; spontaneous combustion; coal spontaneous; goaf ... See more keywords
Study on Multi-field Evolution and Influencing Factors of Coal Spontaneous Combustion in Goaf
Sign Up to like & getrecommendations! Published in 2021 at "Combustion Science and Technology"
DOI: 10.1080/00102202.2021.1947262
Abstract: The coupled disaster of coal spontaneous combustion and gas explosion in the goaf threatens coal mine safety production. In order to further study the mechanism of coupled disasters and provide the... read more here.
Keywords: goaf; combustion; study multi; coal spontaneous ... See more keywords
Dimensionless Charts for Predicting the Range of Goaf Roof Caving
Sign Up to like & getrecommendations! Published in 2021 at "Mathematical Problems in Engineering"
DOI: 10.1155/2021/7382550
Abstract: In engineering, the method of charts can provide a convenient query for specific engineering problems. To provide the basis for the potential hazard evaluation and rational governance of the goaf, it is necessary to study… read more here.
Keywords: goaf; dimensionless; range; range goaf ... See more keywords
Distribution of spontaneous combustion three zones and optimization of nitrogen injection location in the goaf of a fully mechanized top coal caving face
Sign Up to like & getrecommendations! Published in 2021 at "PLoS ONE"
DOI: 10.1371/journal.pone.0256911
Abstract: In order to effectively prevent and control spontaneous combustion of residual coal in the goaf and reduce the waste of nitrogen caused by setting the position of nitrogen injection, 1303 fully mechanized coal caving faces… read more here.
Keywords: nitrogen injection; goaf; combustion; spontaneous combustion ... See more keywords
Simulation of fire smoke disaster in a goaf during the closure process
Sign Up to like & getrecommendations! Published in 2020 at "Thermal Science"
DOI: 10.2298/tsci200630323z
Abstract: Closing the fire area is a common disaster-relief measure when coal spontaneously combusts in a goaf. However, the closure process will also increase the risk of gas explosion. To understand the gas migration rules and… read more here.
Keywords: goaf; closure process; fire; goaf closure ... See more keywords
Study on Multi-Layer Filling Treatment of Extra-Large Goaf and Its Underground Application
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15165680
Abstract: At present, the many domestic, large mined-out areas caused by single filling ability of the slurry flow state, thin layer flow and hardening after filling in multilayer structure generally need to finish filling for many… read more here.
Keywords: strength; application; filling; multi layer ... See more keywords