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Ultrasonic Measurement of Calandria Tube Sags in a Korean PHWR's

Tae Ryong Kim
Group Leader
Seok Man Sohn
Senior Research Engineer
Periodic Safety Review Group
Korea Electric Power Research Institute.
Contact

ABSTRACT

1. INTRODUCTION

2. ULTRASONIC MEASURING PROBE

3. SAG MEASUREMENT THRU VIEW PORT

4. GAP BETWEEN TWO TUBES

5. SAG COMPUTATION PROGRAM

6. CONCLUSION

REFERENCES

  1. Abucay, R. C., Mahil, K. S. and Goszczynski, J., 1995. Recent Experience in Ultrasonic Gap Measurement between Calandria Tubes and Liquid Injection Shutdown System Nozzle in Bruce Nuclear Generating Station. Proc. of 13th Int. Conf. on NDE in the Nuclear and Pressure Vessel Industry, Kyoto, Japan.
  2. Eijsemian, L. et al., 2001, Pt Lepreau - Calandria Tube to LISS Nozzle Proximity Measurement, AECL Inspection Report.
  3. Fidleris, V., 1988. The Irradiation Creep and Growth Phenomena. J. of Nuclear Materials, vol. 159, pp. 22-42.
  4. Goszczynski, J. and Mitchell, A. B., Development of Ultrasonic Measurement of Calandria Tubes/ Horizontal Flux Monitor Guide Tube Proximity in CANDU Nuclear Reactors.
  5. Kim, T. R. et al., 2000. Ultrasonic Measurement of Sagging of Calandria Tubes and Liquid Injection Shutdown System Tubes using Newly Developed Device. 15th World Conference on NDT, Rome, Italy
  6. Kim, T. R. et al., 2001. Development of Measurement and Prediction Methods for Calandria Tube Sagging, Final Report, KEPRI
  7. Park, C. H. et al., 2000. Development of Ultrasonic Measurement Device for the Sag of Calandria Tubes and Liquid Injection Shutdown System Tubes. 15th World Conference on NDT, Rome, Italy

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