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Numerical Modeling of Radiographic Images as the Basis for Correctly Designing Digital Radiography Systems of Large-Sized Objects

  • Radiation Methods
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Abstract

A mathematical model has been developed for digital radiographic imaging of large-sized objects. The model takes account of scanning time, the parameters of source and recorder of bremsstrahlung due to the test object, and geometrical scanning scheme. A high-performance algorithm is proposed for the numerical modeling of digital radiographic images. The algorithm has allowed producing realistic images of large-sized stepped and wedge-shaped test objects and test objects typical of pipeline transport. The rationale for selecting the scanning time and the digit capacity of an analog-to-digital converter is demonstrated. Numerical simulation of radiographic images is shown to provide a basis for the correct choice of the parameters of digital radiography systems as applied to testing large objects.

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Authors and Affiliations

  1. Tomsk Polytechnic University, Tomsk, 634028, Russia

    S. P. Osipov, S. V. Chakhlov, D. U. Kairalapov & E. V. Sirot’yan

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  1. S. P. Osipov
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  2. S. V. Chakhlov
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  3. D. U. Kairalapov
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  4. E. V. Sirot’yan
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Correspondence to S. P. Osipov or S. V. Chakhlov.

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Osipov, S.P., Chakhlov, S.V., Kairalapov, D.U. et al. Numerical Modeling of Radiographic Images as the Basis for Correctly Designing Digital Radiography Systems of Large-Sized Objects. Russ J Nondestruct Test 55, 136–149 (2019). https://doi.org/10.1134/S1061830919020050

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