Results 21 to 30 of about 406,343 (328)

A system identification based approach for pulsed eddy current non-destructive evaluation [PDF]

, 2007
This paper is concerned with the development of a new system identification based approach for pulsed eddy current non-destructive evaluation and the use of the new approach in experimental studies to verify its effectiveness and demonstrate its ...
Agurto, A., Lang, Z.Q., Sophian, A., Tian, G.Y.   +3 more
core   +1 more source

Analysis of Eddy currents induced by transverse and longitudinal gradient coils in different tungsten collimators geometries for SPECT/MRI integration [PDF]

, 2015
A
Joseph, Wout, Martens, Luc, Poole, Michael, Samoudi, Mohammed, Tanghe, Emmeric, Van Audenhaege, Karen, Van Holen, Roel, Vermeeren, Günter   +7 more
core   +3 more sources

Simulated design strategies for SPECT collimators to reduce the eddy currents induced by MRI gradient fields [PDF]

, 2015
Combining single photon emission computed tomography (SPECT) with magnetic resonance imaging (MRI) requires the insertion of highly conductive SPECT collimators inside the MRI scanner, resulting in an induced eddy current disturbing the combined system ...
Joseph, Wout, Martens, Luc, Samoudi, Mohammed, Van Audenhaege, Karen, Van Holen, Roel, Verhoyen, Gregory, Vermeeren, Günter   +6 more
core   +2 more sources

Effect of pulsed magnetic field pre-treatment of AISI 52100 steel on the coefficient of sliding friction and wear in pin-on-disk tests [PDF]

, 2014
Disc specimens manufactured from commercial bearing rollers (AISI 52100 steel, 62–63 HRC) in initial state and after pre-treatment by pulsed magnetic field (PMF) with a magnetic field strength of 1–7 MA/m were tested with sunflower oil using pin-on-disk ...
A A Lebedev, A A Lebedev, A Belyakov, A L Lu, A Villuendas, B E Klamecki, D K Pal, G M Ludtka, G V Stepanov, H Conrad, H Ohtsuka, J Frankel, L Luo, M A Krivoglaz, M Halilovič, M K Mohamed, M K Muju, M Mansori El, M Yang, O Bataineh, S V Vonsovskii, S Wu, T Kakeshita, V V Levitin, Y V Baranov   +24 more
core   +2 more sources

Defect Characterization Based on Eddy Current Technique: Technical Review

Advances in Mechanical Engineering, 2014
Eddy current testing is widely used for nondestructive evaluation of metallic structures in characterizing numerous types of defects occurring in various locations.
Ruzlaini Ghoni, Mahmood Dollah, Aizat Sulaiman, Fadhil Mamat Ibrahim   +3 more
doaj   +1 more source

Extrusion deformation estimation method of oil and gas string basedon AIC-RBF

You-qi chuyun, 2021
It is difficult to measure the deformation of oil and gas strings affected by the ground movement for a long time. In order to solve this problem, an inversion algorithm for extrusion deformation estimation of oil and gas strings based on pulsed eddy ...
Xuanyong ZHOU, Banteng LIU, Fei XU, Ying ZHOU, Hexin LYU, Shuyue CHEN   +5 more
doaj   +1 more source

A review of miniaturised Non-Destructive Testing technologies for in-situ inspections [PDF]

, 2018
Non-destructive testing (NDT) techniques have become attractive trends of product manufacturing, installation and post-maintenance in the aerospace, automotive and manufacturing industry, because of its benefits such as cost saving, easy to use and high ...
Addepalli, Bilik, Broberg, Ditchburn, Garnier, Jolly, Li, McCann, Runnemalm, Titman, V Maldague, Vacharanukul, Zhao   +12 more
core   +1 more source

Numerical Analysis of Pulsed Eddy Current Testing for Erosion Defects of High-pressure Manifold

Shiyou jixie, 2023
In fracturing operation, erosional damage easily occurs in high-pressure manifold running for a long time under bad working conditions, and the online testing of high-pressure manifold is particularly important to ensure safe production.Based on pulsed ...
Li Jie, Fan Jianchun, Zhang Dangsheng, Yang Siqi, Dai Siwei   +4 more
doaj  

Feasibility of Imaging Tissue Electrical Conductivity by Switching Field Gradients with MRI. [PDF]

, 2015
Tissue conductivity is a biophysical marker of tissue structure and physiology. Present methods of measuring tissue conductivity are limited. Electrical impedance tomography, and magnetic resonance electrical impedance tomography rely on passing external
Gibbs, Eric, Liu, Chunlei
core   +2 more sources

Pulsed Eddy Current signal processing using wavelet scattering and Gaussian process regression for fast and accurate ferromagnetic material thickness measurement

Alexandria Engineering Journal, 2022
Testing the structural integrity of pipelines is a crucial maintenance task in the oil and gas industry. This structural integrity could be compromised by corrosions that occur in the pipeline wall.
Sud Sudirman, F. Natalia, A. Sophian, Arselan Ashraf   +3 more
semanticscholar   +1 more source