About a possible development
of an “explosive” massive hard rocks-dielectrics destruction technology, based on
a directed concentrated electromagnetic microwave power flux
L. M. Blinov 1, A. P. Gerasimenko
2, Yu. V. Gulyaev 1, A. V. Dolgolaptev 3, V. A.
Cherepenin 1
1
Kotelnikov Institute of
Radioengineering and Electronics of Russian Academy of Sciences,
Mokhovaya 11-7, Moscow 125009, Russia
2 Academiñian
Mints Radio Engineering Institute, 8 Marta str., 10-1,
Moscow 127083, Russia
3 National
Scientific Center for Mining Production - A.A.Skochinsky Institute of Mining,
Oktyabrskiy prosp., 411, Lubertsy Moscow region 140004, Russia
The paper is received on February
1, 2019
Abstract.
Many different electrical and dielectrical characteristics of hard rock
materials (as granites, sandstones, e t. c.) are presented here. The microwave
region of electromagnetic wavelengths (1,0 ÷ 20 cm) was in the spotlight,
because the main goal of authors was the maximum effective influence on these
materials by this electromagnetic field to achieve a maximal destroying in
available power level 50 kW. Different methods and arrangements are proposed
here to concentrate and inject microwave power in massive hard rocks. To avoid
an unwanted microwave breakdown in high electromagnetic power level, mechanical
power addition from two or more sources of lower electromagnetic power, is
proposed and confirmed experimentally. Also, a microwave power transport through
a plasma channel by surface wave is proposed and accompanied by necessary
calculations. Experimental equipment, having a microwave power 50 kW, is
described. It has a metallic ellipsoidal reflector, which reflects microwave
power from quasi-point source, located in neighbor focus of ellipsoid, into
another focus. In this focus, probing the massive hard rocks, very high power
concentration is achieved; it causes a destruction and disaggregation of the
material. The main new approval of this work is the existing of some “explosive”
mechanism of destroying, which is very intensive and occurs when some phase
transformation happens in the material under the influence of intensive
microwave field, and in the same time some active temporal change of the field
occurs. The result can exceed the expected many times. All conclusions, however,
are now qualitative in nature and demand the careful experimental check and
study. In the final part of the work authors propose their opinion about
prospects of method and compare it with other known methods. Their conclusions
are very optimistic and encouraging.
Key words: destroying
of hard rocks – dielectrics; destroying and disaggregation of hard rock
mass; high power microwave field; focused microwave power; “explosive” effect
of a destroying.
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For citation:
L. M. Blinov, A. P. Gerasimenko, Yu. V.
Gulyaev, A. V. Dolgolaptev, V.
A. Cherepenin.
About a possible development
of an “explosive” massive hard rocks-dielectrics destruction technology, based on
a directed concentrated electromagnetic microwave power flux.
Zhurnal Radioelektroniki - Journal of Radio
Electronics. 2019. No. 2. Available
at http://jre.cplire.ru/jre/feb19/4/text.pdf
DOI 10.30898/1684-1719.2019.2.4