Abstract
A theory of propagation of torsional waves excited by an electromagnetic–acoustic transducer in a pipe is proposed. This theory takes into account the excitation parameters, geometry, viscosity, and the elastic characteristics of an object. The main testing parameters (the frequency and geometry of the transducer) that determine the possibilities of guided-wave testing of pipelines of various dimensions using torsional waves are theoretically substantiated.
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Original Russian Text © O.V. Murav’eva, S.V. Len’kov, S.A. Murashov, 2016, published in Akusticheskii Zhurnal, 2016, Vol. 62, No. 1, pp. 117–124.
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Murav’eva, O.V., Len’kov, S.V. & Murashov, S.A. Torsional waves excited by electromagnetic–acoustic transducers during guided-wave acoustic inspection of pipelines. Acoust. Phys. 62, 117–124 (2016). https://doi.org/10.1134/S1063771015060093
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DOI: https://doi.org/10.1134/S1063771015060093