Determination of the Life Cycle of Heat-Exchange Tubes of Vapor Condensers on the Basis of Statistical Analysis of Local Pitting Corrosion According to Data of Eddy Current Testing

  • V. A. GolovinEmail author
  • N. V. Pechnikov
  • V. A. Shchelkov
  • A. Yu. Tsivadze


The possibility is shown of creating a chart of local corrosion damage in the walls of heat-exchange tubes on the basis of the data of matrix eddy current testing with registration of the position, type, and depth of all local corrosion damage areas. The results of examination of condensers operated under different conditions and at different plants are used to calculate the theoretical depth distribution of defects. It is shown that, in all cases, a satisfactory statistical description of the corrosion defect depth on the cooling water size is obtained by employing the Weibull distribution. Pearson’s coefficient is in the range of 0.994–0.997.



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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • V. A. Golovin
    • 1
    Email author
  • N. V. Pechnikov
    • 2
  • V. A. Shchelkov
    • 1
  • A. Yu. Tsivadze
    • 1
  1. 1.Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of SciencesMoscowRussia
  2. 2.NPO ROKOR LLCMoscowRussia

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