Steam generator mock-up for assessment of inservice inspection technology.

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Description

A steam generator mock-up has been assembled for round-robin studies of the effectiveness of currently practiced inservice inspection (ISI) technology for detection of current-day flaws. The mock-up will also be used to evaluate emerging inspection technologies. The 3.66-m (12-ft.)-tall mock-up contains 400 tube openings, each consisting of 9 test sections that can be used to simulate current-day field-induced flaws and artifacts. Included in the mock-up are simulations of tube support plate (TSP) intersections and the tube sheet (TS). Cracks are present at the TSP, TS, and in the free span sections of the mock-up. For initial evaluation of the round-robin ... continued below

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12 p.

Creation Information

Bakhtiari, S.; Kupperman, D. S. & Muscara, J. September 11, 1999.

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Description

A steam generator mock-up has been assembled for round-robin studies of the effectiveness of currently practiced inservice inspection (ISI) technology for detection of current-day flaws. The mock-up will also be used to evaluate emerging inspection technologies. The 3.66-m (12-ft.)-tall mock-up contains 400 tube openings, each consisting of 9 test sections that can be used to simulate current-day field-induced flaws and artifacts. Included in the mock-up are simulations of tube support plate (TSP) intersections and the tube sheet (TS). Cracks are present at the TSP, TS, and in the free span sections of the mock-up. For initial evaluation of the round-robin results, various eddy current methods, as well as multivariate models for data analysis techniques, are being used to estimate the depth and length of defects in the mock-up. To ensure that the round-robin is carried out with procedures as close as possible to those implemented in the field, input was obtained from industry experts on the protocol and procedures to be used for the exercise. One initial assembly of the mock-up with a limited number of flaws and artifact has been completed and tested. A second completed configuration with additional flaw and artifacts simulations will be used for the round-robin.

Physical Description

12 p.

Notes

INIS; OSTI as DE00011958

Medium: P; Size: 12 pages

Source

  • SMiRT-15 11th Post Conference Seminar 2 - Current Issues in the Evolution of Risk Informed and Performance Based Integrity Engineering, Tokyo (JP), 08/24/1999

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  • Report No.: ANL/ET/CP-99977
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 11958
  • Archival Resource Key: ark:/67531/metadc618784

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Office of Scientific & Technical Information Technical Reports

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  • September 11, 1999

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 6, 2017, 8:10 p.m.

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Bakhtiari, S.; Kupperman, D. S. & Muscara, J. Steam generator mock-up for assessment of inservice inspection technology., article, September 11, 1999; Illinois. (digital.library.unt.edu/ark:/67531/metadc618784/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.