Analysis of the Dependence of the Break-Down Point on Temperature of Microwave Heating of Loaded Heterogeneous Materials (Rocks) Based on the Formation of Growth of Microcracks

A study of the mechanism of uptake and conversion of microwave energy into heat energy is presented. The term ”SHF – trigger”, which activates at the atomic, electronic, and molecular scales, is introduced for the mechanism of micro cracking, destruction, and crashing of quartz-containing rocks. It has been found that the uptake and conversion of microwave energy into heat energy begins there were some criteria of the sample instability in energy consummation are satisfied. This mechanism of the energy conversion with the heating effect differs from other modes of heating by its efficiency; accordingly, a special criterion is required. The loss tangent of a dielectric, such as mineral or heterogeneous rock, could serve as a measured parameter. This parameter is attributed to slowly establishing modes of relaxation, which manifest themselves in the presence of polar molecules, complicated anion radicals, chemically bounded water, solid/liquid interfaces, borders of dielectrics and conductors. In addition, a new mechanism of conversion of microwave energy into heat energy in points of contact between water-saturated pores in model specimens was suggested.

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Analysis of the Dependence of the Break-Down Point on Temperature of Microwave Heating of Loaded Heterogeneous Materials (Rocks) Based on the Formation of Growth of Microcracks

Cited by 5 publications

References 24 publications

Exploration of weakening mechanism of uniaxial compressive strength of deep sandstone under microwave irradiation

Exploration of weakening mechanism of uniaxial compressive strength of deep sandstone under microwave irradiation

The mechanism of microwave rock breaking and its potential application to rock-breaking technology in drilling

Absorbance and transformation of SHF electromagnetic waves in quartz-containing heterogenic materials

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