Titlebook: Non-destructive Testing and Repair of Pipelines; Evgeny N. Barkanov,Andrei Dumitrescu,Ivan A. Parin Book 2018 Springer International Publi

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T- and L-Types of Long-Range Guided Waves for Defect Detectionan amplifier/digitizer circuitry allowing switching in turn between several transducers pairs. An array of magnetostrictive transducers located stepwise along tubes was arranged, where switching between T- and L-wave excitation modalities was done by changing orientation of the static magnetic field

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Directional Properties of Ultrasonic Antenna Arraye active group replacing the antenna array. Any point of interest on pipe wall edge is also present as secondary source of spherical waves by point spread function. Directional properties of active focused and unfocused ultrasonic antenna array are studied for torsional mode T(0, 1) emitted in pipe.

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Vibration-Based Damage Detection of Steel Pipeline Systemsvibration mode. Determination of eigenfrequencies and mode shapes for mechanical systems is one of the most important tasks, which allow receiving integrated information about the structure state. The aim of this chapter is to analyze the results of the vibration method for determining the degree of

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Identification of Defects in Pipelines Through a Combination of FEM and ANNems is solved and a training set for the ANN is constructed. As the ANN architecture, we select a multilayer perceptron and back propagation learning algorithm is considered. The algorithm for the identification of defects contains several steps: (i) the location of a defect (determining the distanc

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Assessment of the Remaining Strength Factor and Residual Life of Damaged Pipelinesrtinent modalities for the definition and determination of RSF for the transmission pipelines on whose steel pipes volumetric surface defects/flaws have been detected are presented and discussed. In the case of hydrocarbon transmission pipelines containing flaws of the local metal loss type, we cons

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Book 2018y available technologies for reinforcement of pipelines, drawing on the experience gai.ned by project partners, and evaluates the recovery of the carrying capacity of pipeline sections with local corrosion damage by means of analytical and numerical procedures. It develops an optimization method bas

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