Estimation of the optimal frequency range of EM waves for the implementation of a wireless channel of charge activation during drilling and blasting operations

Тип публикации: доклад, тезисы доклада, статья из сборника материалов конференций

Конференция: International Scientific Conference on Applied Physics, Information Technologies and Engineering, APITECH-III 2021

Год издания: 2021

Идентификатор DOI: 10.1088/1742-6596/2094/5/052009

Аннотация: The article analyzes the methods of wireless detonation of underground charges during drilling and blasting operations. The technologies considered are intended mainly for disrupting the integrity of rocks during tunneling and extraction of mineral resources in mines and quarries, as well as for the controlled demolition of buildings. The methods presented in the scientific press do not provide sufficient accuracy of time synchronization between the moment of the explosion and the command to launch the operator of the explosive machine, which is a necessary requirement for seismic exploration, and are also based on the use of magnetic antennas for wireless activation of detonators located at a depth of 30 m. The article, by the authors, on the basis of the analytical solution of equations and computational modeling, considers the physical processes of propagation of electromagnetic fields and currents induced by a grounded electric dipole, which is an alternative method of transmitting radio signals to a linear group of detonators. The most favorable operating frequency range of the channel is also analyzed based on the absorbing properties of the medium. © 2021 Institute of Physics Publishing. All rights reserved.

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Издание

Журнал: Journal of Physics: Conference Series

Выпуск журнала: Vol. 2094, Is. 5

Номера страниц: 52009

ISSN журнала: 17426588

Издатель: IOP Publishing Ltd

Персоны

Kudinov D.S. (Siberian Federal University, 79, Svobodny Ave., Krasnoyarsk, 660041, Russian Federation)
Radaev V.V. (Joint Stock Company Central Design Bureau Geofizika, Krasnoyarsk, Russian Federation)
Kokhonkova E.A. (Siberian Federal University, 79, Svobodny Ave., Krasnoyarsk, 660041, Russian Federation)
Romanov V.V. (Siberian Federal University, 79, Svobodny Ave., Krasnoyarsk, 660041, Russian Federation)
Maikov O.A. (Siberian Federal University, 79, Svobodny Ave., Krasnoyarsk, 660041, Russian Federation)

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