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Development of the Inversion Method for Transient Electromagnetic Data [PDF]

open access: yesIEEE Access, 2020
Transient electromagnetic method (TEM) is a geophysical tool to obtain resistivity distribution in the subsurface. Combining with the resistivity property of typical rocks, the TEM method can make inferences of the geological maps underground.
Guoqiang Xue   +4 more
doaj   +5 more sources

Study on the resolution capability of borehole transient electromagnetic method [PDF]

open access: yesScientific Reports
Water hazards present a significant challenge in the construction of coal mine tunnels. The borehole transient electromagnetic method (BTEM) is a detection technique that positions both the transmitter and receiver coils within a borehole, effectively ...
Tao Fan   +9 more
doaj   +4 more sources

Goal Mine Detection with Transient Electromagnetic Method and Magnetic Method

open access: yesChemical Engineering Transactions, 2018
Coal mine goaf is rather severe safety hazard during the process of coal mining. Besides, it is also difficult to be detected accurately. Based on the electrical, magnetic and physical properties of coal mine goaf, the paper proposes the comprehensive ...
Zhengyuan Jia   +3 more
doaj   +2 more sources

Application of Transient Electromagnetic Method in Detection of Goaf

open access: yesMeikuang Anquan, 2020
To study the method of using transient electromagnetic method to detect the goaf of the integrated mine, on the basis of studying the principle of transient electromagnetic method and investigating the background noise, the goaf in the industry square ...
SUN Yingfeng, LUO Xiao, GAO Yirui, WANG Pengpeng, DONG Chuanlong, HE Yongchang
doaj   +2 more sources

Research on Transient Electromagnetic Detection Method for Substation Site Selection [PDF]

open access: yesE3S Web of Conferences, 2020
A transient electromagnetic detection method for site selection of substation grounding is proposed in this paper. And taking the fault detection experiment of transmission lines in a certain area of China as an example, the transient electromagnetic ...
Bo Yang   +3 more
doaj   +1 more source

Experimental study on goaf detection by small loop transient electromagnetic method in complex terrain

open access: yesMeikuang Anquan, 2023
Due to the large terrain fluctuation and drop in Qianshuta well field, the layout of the ground large loop transient electromagnetic method detection device is limited. In order to find out the distribution range of goaf under the second Shanjing line of
Yi MU   +5 more
doaj   +1 more source

Electromagnetic response characteristics of small coil device for mine transient electromagnetic method

open access: yes矿业科学学报, 2023
The study of the transient electromagnetic detection device with small sized coil and easy installation underground will offer new insights into the real-time dynamic exploration and forecast water-bearing structure in excavation roadway.By drawing on ...
Shi Zhihao   +3 more
doaj   +1 more source

Modelling and Operation Analysis of Electromechanical Transient- Electromagnetic Transient Hybrid System

open access: yesChemical Engineering Transactions, 2017
The electromechanical-electromagnetism hybrid simulation technology combines the advantages of electromechanical transient simulation and electromagnetic transient simulation.
Fengling Fang
doaj   +1 more source

Transient analysis of power loss density with time-harmonic electromagnetic waves in Debye media

open access: yesRoyal Society Open Science, 2021
Due to the complex permittivity, it is difficult to directly clarify the transient mechanism between electromagnetic waves and Debye media. To overcome the above problem, the temporal relationship between the electromagnetic waves and permittivity is ...
Jiaqi Zhong   +3 more
doaj   +1 more source

Electromagnetic transient analysing of neutral bus in UHVDC converter station

open access: yesThe Journal of Engineering, 2019
Transient processes at neutral bus of ultra-high value direct current (UHVDC) converter station received insufficient attention, because of the lower amplitude compare to poles.
Yunchao Wang   +7 more
doaj   +1 more source

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