Erosion Identification and Assessment of a Steel Pipeline Using EMI Technique

Khante, Suraj N.; Jain, Nidhi

doi:10.1007/978-981-13-1202-1_30

Springer Transactions in Civil and Environmental Engineering

2018

DOI: 10.1007/978-981-13-1202-1_30

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Erosion Identification and Assessment of a Steel Pipeline Using EMI Technique

Suraj N. Khante¹,

Nidhi Jain²

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Cited by 2 publications

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“…This leads to a potential problem that if the sensors are not accurate enough, it is highly possible to miss the alarms for small leakages.Slow small leakages (seepage) usually occur in weak links of the pipelines, such as welding seams, flanges, or valves [55][56][57], and they are difficult to detect due to their concealment. In addition, pipelines are subject to corrosion [58][59][60], erosion [61], and cracking [62][63][64], which may also cause small leakages at the initial stage. Currently, there are only limited studies in this area [65,66].…”

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confidence: 99%

An EKF-Based Method and Experimental Study for Small Leakage Detection and Location in Natural Gas Pipelines

Hou

Zhu

2019

Applied Sciences

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Small leaks in natural gas pipelines are hard to detect, and there are few studies on this problem in the literature. In this paper, a method based on the extended Kalman filter (EKF) is proposed to detect and locate small leaks in natural gas pipelines. First, the method of a characteristic line is used to establish a discrete model of transient pipeline flow. At the same time, according to the basic idea of EKF, a leakage rate is distributed to each segment of the discrete model to obtain a model with virtual multi-point leakage. As such, the virtual leakage rate becomes a component of the state variables in the model. Secondly, system noise and measurement noise are considered, and the optimal hydraulic factors such as leakage rate are estimated using EKF. Finally, by using the idea of an equivalent pipeline, the actual leakage rate is calculated and the location of leakage on the pipeline is assessed. Simulation and experimental results show that this method can consistently predict the leakage rate and location and is sensitive to small leakages in a natural gas pipeline.

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confidence: 99%

An EKF-Based Method and Experimental Study for Small Leakage Detection and Location in Natural Gas Pipelines

Hou

Zhu

2019

Applied Sciences

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Pipeline corrosion assessment using electromechanical impedance technique

Thoriya

Vora

Nyanzi

2022

Materials Today: Proceedings

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Erosion Identification and Assessment of a Steel Pipeline Using EMI Technique

Cited by 2 publications

References 7 publications

An EKF-Based Method and Experimental Study for Small Leakage Detection and Location in Natural Gas Pipelines

An EKF-Based Method and Experimental Study for Small Leakage Detection and Location in Natural Gas Pipelines

Pipeline corrosion assessment using electromechanical impedance technique

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