A Discrimination method of three types of defects in insulated cladding components based on the lift-off effect of capacitive imaging (CI) technology

Li, Zhen; Yin, Xiaokang; Han, Jianqing; Zhang, Yongbo; Wang, Yanzhe; Zhang, Cong; Chang, Lin

doi:10.1016/j.sna.2024.115293

Sensors and Actuators A: Physical

2024

DOI: 10.1016/j.sna.2024.115293

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A Discrimination method of three types of defects in insulated cladding components based on the lift-off effect of capacitive imaging (CI) technology

Zhen Li,

Xiaokang Yin,

Jianqing Han

et al.

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2024

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Differentiating three distinct kinds of flaws in oil and gas pipelines derived from the spacing effect of capacitive imaging sensors

Li,

Han,

Cao

et al. 2024

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Purpose This paper aims to apply the spacing effect of capacitive imaging (CI) sensors to inspect and differentiate external flaws of the protective module, internal flaws of the protective module and external flaws of the metallic module in oil and gas pipelines simultaneously. Through experimental verification, a method for differentiating three distinct kinds of flaws derived from the spacing effect of CI sensors has been demonstrated. Design/methodology/approach A 3Dimensions (3D) model for simulating the inspection of these flaws was established by using COMSOL. A novel CI sensor with adjustable working electrode spacing was designed, and a modular CI system was developed to substantiate the theoretical findings with experimental evidence. A method for differentiating three distinct kinds of flaws derived from the spacing effect of CI sensors was established. Findings The results indicate that the method can successfully discriminate external flaws of the protective module, internal flaws of the protective module and external flaws of the metallic module using CI sensors. Originality/value The method for differentiating three distinct kinds of flaws derived from the spacing effect of CI sensors is vital for keeping the transportation safety of oil and gas pipelines.

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Differentiating three distinct kinds of flaws in oil and gas pipelines derived from the spacing effect of capacitive imaging sensors

Li,

Han,

Cao

et al. 2024

View full text Add to dashboard Cite

show abstract

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A Discrimination method of three types of defects in insulated cladding components based on the lift-off effect of capacitive imaging (CI) technology

Cited by 1 publication

References 20 publications

Differentiating three distinct kinds of flaws in oil and gas pipelines derived from the spacing effect of capacitive imaging sensors

Differentiating three distinct kinds of flaws in oil and gas pipelines derived from the spacing effect of capacitive imaging sensors

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