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Comparative Analysis of Methane Concentration Near the Junction of the Longwall and Top Road
Mining of longwalls ventilated by the „U” method is willingly applied in Polish coal-mines due to low costs of workings maintenance, low costs of ventilation and a lower fire threat because of a limited flow of air through goafs. However, such a way of ventilation may pose an increased risk of metha...
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| Main Authors: | , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Sciendo
2019-09-01
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| Colecção: | Management Systems in Production Engineering |
| Assuntos: | |
| Acesso em linha: | https://doi.org/10.1515/mspe-2019-0027 |
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