Abstract
The relevance of the study is caused by the need to develop new sources of powerful current pulses for operation in an electrohydrau& lic device with moving electrodes that can be used to excite seismic waves in non&explosive seismic surveys. The aim of the research is to carry out computational and experimental studies of operation of a low&voltage shock generator on an arc in water, initiated by moving electrodes in the mode of single pulses and in production of a series of pressure pulses. Optimization of the parameters of the shock generator and the electrohydraulic radiator, in order to obtain the maximum pressure pulse. Objects: low&voltage shock generator, made in the dimensions of the crane asynchronous motor MTН&612, connected to an electrohyd& raulic source with moving electrodes. Methods: matching parameters of a shock generator and an arc discharge by the method of experiment planning using a mathemati& cal model. Results. The authors have carried out the laboratory studies of operation of a low&voltage shock generator on an arc in water initiated by moving electrodes in the regime of single pulses and in the generation of a series of pulses. Using the method of experiment plan& ning, the authors obtained the mathematical model of the shock generator operation on an arc in water, initiated by moving electrodes in the regime of single pulses; the regression equations are obtained for output parameters of the arc discharge. Optimization of the pa& rameters of the shock generator and the electrohydraulic source was carried out, which allows obtaining the maximum pressure pulse for seismic exploration at shallow depth. The obtained amplitude&frequency spectrum of the pressure pulse showed that the main ener& gy of the pressure pulse lies in the low&frequency range from 0 to 180 Hz, which provides a high seismic efficiency for seismic explora& tion at shallow depth.
Translated title of the contribution | Investigation of operation of a low voltage shock generator in an electrohydraulic device for seismic exploration at small depth |
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Original language | Russian |
Pages (from-to) | 49-58 |
Number of pages | 10 |
Journal | Bulletin of the Tomsk Polytechnic University, Geo Assets Engineering |
Volume | 330 |
Issue number | 4 |
DOIs | |
Publication status | Published - 1 Jan 2019 |
ASJC Scopus subject areas
- Materials Science (miscellaneous)
- Fuel Technology
- Geotechnical Engineering and Engineering Geology
- Waste Management and Disposal
- Economic Geology
- Management, Monitoring, Policy and Law