Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Nikodem Szlązak"'
Autor:
Nikodem Szlązak, Marek Korzec
Publikováno v:
Energies, Vol 17, Iss 6, p 1379 (2024)
Ventilation plays a key role in ensuring safe exploitation in underground gassy mines. Over the years, the structure of a mine’s ventilation network changes. Therefore, it becomes necessary to construct new excavations, while some existing excavati
Externí odkaz:
https://doaj.org/article/e5b00bebbab24fbe8c4fe98a9c238469
Publikováno v:
Energies, Vol 15, Iss 24, p 9481 (2022)
Heat stress in deep hot mines is a factor that often determines the possibility of technical mining of natural resources. One of the solutions enabling miners to work in such mines is air cooling. Cooling systems vary, and their selection depends on
Externí odkaz:
https://doaj.org/article/2f97ca6948b2487da9af9a9b26eb7656
Publikováno v:
Energies, Vol 16, Iss 1, p 365 (2022)
Carrying out exploitation in coal mines with a methane hazard imposes the use of special procedures and the analyses of numerous parameters in order to secure mining teams working underground. The article presents a method of coal seam exploitation d
Externí odkaz:
https://doaj.org/article/5aa90a324a5f44ba9721234615ae719a
Publikováno v:
Energies, Vol 15, Iss 20, p 7527 (2022)
Transporting materials and mine staff is a vital link necessary to the production process in underground mines. Deteriorating climatic conditions, mainly due to the increasingly deep mining and the usage of machines, force us to look for solutions to
Externí odkaz:
https://doaj.org/article/18dee0dd6246408ca20593d5487272bd
Autor:
Nikodem Szlązak, Marek Korzec
Publikováno v:
Energies, Vol 15, Iss 13, p 4612 (2022)
Ventilation plays a key role in underground mining. It is essential due to the natural hazards and technological processes that come with the nature of mining. However, it is highly energy consuming and generates significant operating expenditures. F
Externí odkaz:
https://doaj.org/article/8d667db89dba4f65bfc602703a5ad6d7
Publikováno v:
Energies, Vol 15, Iss 1, p 178 (2021)
The determination of methane content of coal seams is conducted in hard coal mines in order to assess the state of methane hazard but also to evaluate gas resources in the deposit. In the world’s mining industry, natural gas content in coal determi
Externí odkaz:
https://doaj.org/article/f5a83ade2d264c33b796fed51930964c
Publikováno v:
Energies, Vol 14, Iss 14, p 4170 (2021)
The article compares the climate conditions in an excavation with thermally insulated roof and sidewalls to the conditions when such insulation is absent. The analysis of the temperatures presented in the article consisted of limiting the heat transf
Externí odkaz:
https://doaj.org/article/7f2a4ba426834dd98193314c43fced3f
Autor:
Nikodem Szlązak, Justyna Swolkień
Publikováno v:
Energies, Vol 14, Iss 12, p 3542 (2021)
Methane present in coal seams is a natural hazard present during the exploitation of underground mining plants. It is an explosive and flammable gas that is released into mining excavations, and it is necessary to reduce its concentration. Capturing
Externí odkaz:
https://doaj.org/article/3fc3364d9d974766a68b41b91a4d284e
Publikováno v:
Energies, Vol 14, Iss 4, p 982 (2021)
The determination of natural gas content in coal seams is essential to safe mining activities and to estimate gas resources. It is used to estimate methane emissions into workings, which is very important when using preventive measures of methane ign
Externí odkaz:
https://doaj.org/article/56096b61cc1b43a7910327ce828250db
Autor:
Justyna Swolkień, Nikodem Szlązak
Publikováno v:
Energies, Vol 14, Iss 1, p 128 (2020)
Several natural threats characterize hard coal mining in Poland. The coexistence of methane and rock-burst hazards lowers the safety level during exploration. The most dangerous are high-energy bumps, which might cause rock-burst. Additionally, creat
Externí odkaz:
https://doaj.org/article/732a8bd2e44e477084449ccea503a688