Structures and Opportunities to Supply the Telecommunication Systems in Underground Mines
نویسندگان
چکیده
منابع مشابه
Radio Frequency Communication Systems in Underground Mines
Due to the high attenuation of radio frequency (RF) signals in underground mines and the statutory power restriction of communication gadgets especially for coal mines, the wireless communication systems have restricted applications in the underground mines. The paper discusses different radio frequency communication techniques being employed for Indian underground mines. Experiments were condu...
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Effective gas management is vital to the success of the longwall mining in the Bulli seam, in the Southern Coalfield, Sydney Basin, NSW, Australia. The evolution of gas drainage methods and practices are discussed with respect to gas type, gas drainage lead time and prevailing geological conditions. Both underground to inseam drilling and surface to inseam drilling techniques are described at b...
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ژورنال
عنوان ژورنال: Archives of Mining Sciences
سال: 2016
ISSN: 1689-0469
DOI: 10.1515/amsc-2016-0024