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Ultrasonic Measurement of Saggings of Calandria Tubes and Liquid Injection Shutdown System Tubes Using Newly Developed Device

Tae Ryong Kim, Seok Man Sohn, Jun Shin Lee
Korea Electric Power Research Institute
Jong Po Lee, Chul Hoon Park, Keum Chong Joo, Byung Guk Um
Research Institute of Korea Advanced Inspection Technology

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ABSTRACT

1. INTRODUCTION

2. ULTRASONIC MEASUREMENT OF CT AND LIN SAGGINGS

3. MATHEMATICAL MODELING OF CT AND LIN SAGGING

Fig 5: LIN configuration as installed

4. CONCLUSION

REFERENCES

  1. V. Fidleris, "The Irradiation Creep and Growth Phenomena," J. of Nuclear Materials, vol. 159, 1988, pp22-42.
  2. A. R. Causey, F. J. Butcher and S. A. Donahue, "Measurement of Irradiation Creep of Zirconium Alloys Using Stress Relaxation," J. of Nuclear Materials, vol. 159, 1988, pp101-113.
  3. R. C. Abucay, K. S. Mahil and J. Goszczynski, "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, 1995.5
  4. J. Goszczynski and A. B. Mitchell, "Development of Ultrasonic Measurement of Calandria Tubes/ Horizontal Flux Monitor Guide Tube Proximity in CANDU Nuclear Reactors,"
  5. C. H. Park, et al, "Development of Ultrasonic Measurement Device for the Sagging of Calandria Tubes and Liquid Injection Shutdown System Tubes," IDN-64 in this Conference
  6. T. R. Kim, et al, Development of Measurement and Prediction Methods for Calandria Tube Sagging, Intrim Report (TM.98NJ15.M1999.292), KEPRI, 1999.6
  7. R. J. Roark and W. C. Young, Formulas for Stress and Strain, 5th ed. McGraw-Hill 1975.

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