Study on electric field component imaging of leakage in pipeline using GPR

JIN Xin

doi:10.3969/j.issn.1001-1986.2018.02.024

Volume 46 Issue 2

Apr. 2018

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COAL GEOLOGY & EXPLORATION > 2018 > 46(2): 159-163. > DOI: 10.3969/j.issn.1001-1986.2018.02.024

JIN Xin. Study on electric field component imaging of leakage in pipeline using GPR[J]. COAL GEOLOGY & EXPLORATION, 2018, 46(2): 159-163. DOI: 10.3969/j.issn.1001-1986.2018.02.024

Citation:

JIN Xin. Study on electric field component imaging of leakage in pipeline using GPR[J]. COAL GEOLOGY & EXPLORATION, 2018, 46(2): 159-163. DOI: 10.3969/j.issn.1001-1986.2018.02.024

Citation:

JIN Xin. Study on electric field component imaging of leakage in pipeline using GPR[J]. COAL GEOLOGY & EXPLORATION, 2018, 46(2): 159-163. DOI: 10.3969/j.issn.1001-1986.2018.02.024

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Study on electric field component imaging of leakage in pipeline using GPR

JIN Xin

Huanggang Polytechnic College, Huang gang 438002, China

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Received Date: July 16, 2017
Published Date: April 24, 2018

Graphical Abstract

Abstract

Abstract

Ground penetrating radar(GPR) is an effective method for pipeline leak detection, but when the distribution of underground media is more complex, it is difficult to accurately identify the leakage anomaly from the GPR data profile. In this paper, the imaging technique of GPR data based on electric field component is proposed according to the relationship between the reflection coefficient and the dielectric constant. In this paper, the time-domain finite difference method(FDTD) is used to simulate the electromagnetic response of the geo-electric model with different dielectric constant in the GPR. The results show that the greater the difference in dielectric constant, the stronger the reflected wave energy. Finally, the proposed imaging technique is applied to pipeline leakage detection in an industrial area. The experimental results show that the pipeline leakage anomaly area is characterized by high amplitude area in the electric field component map.
- pipeline leakage,
- ground penetrating radar,
- electric field component,
- dielectric constant,
- reflected wave energy

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References

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