Nuclear Engineering and Technology

  • 제53권10호
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  • Pages.3438-3448
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  • 2021
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  • 1738-5733(pISSN)
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  • 2234-358X(eISSN)
한국원자력학회 (Korean Nuclear Society)
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Characterising the dynamic seals used in absorber rod drive mechanisms in Indian FBR

  • Kaushal, Nihal (Indira Gandhi Centre for Atomic Research, Department of Atomic Energy) ;
  • Patri, Sudheer (Indira Gandhi Centre for Atomic Research, Department of Atomic Energy) ;
  • Kumar, R. Suresh (Indira Gandhi Centre for Atomic Research, Department of Atomic Energy) ;
  • Meikandamurthy, C. (Indira Gandhi Centre for Atomic Research, Department of Atomic Energy) ;
  • Sreedhar, B.K. (Indira Gandhi Centre for Atomic Research, Department of Atomic Energy) ;
  • Murugan, S. (Indira Gandhi Centre for Atomic Research, Department of Atomic Energy) ;
  • Raghupathy, S. (Indira Gandhi Centre for Atomic Research, Department of Atomic Energy)
  • 투고 : 2020.07.14
  • 심사 : 2021.04.25
  • 발행 : 2021.10.25
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초록

Dynamic seals are one of the critical components of Absorber Rod Drive Mechanism of Fast Breeder Reactors, requiring separate experimental development. Their significance can't be overemphasized considering that the availability and re-usability of Control Rod Drive Mechanisms of Fast Breeder Test Reactor is governed by the failure rate of dynamic seals (bellows). For prototype and subsequent Fast Breeder Reactors in India, choice of the dynamic seal is changed to an in-house designed & developed labyrinth type V-ring seal. The present work is related to the numerical investigations carried out to gain insights into the sealing mechanism and the thermal behaviour of these seals. The results indicate that the seal geometry is very important for obtaining optimum performance. By changing the geometry of the present seal, performance enhancement by more than 50% in important indices is obtained. Further, the results point out that caution shall be exercised when the seal material & its operating temperature are changed. Also, the numerical model developed in this study will be useful for developing more robust dynamic seals in future.

키워드

과제정보

The authors are thankful to Dr. A. K. Bhaduri, Director, Indira Gandhi Centre for Atomic Research (IGCAR), Kalpakkam, Tamilnadu, India for their constant motivation and support. His consistent encouragement and supervision kept us enthusiastic and dedicated throughout this work.

참고문헌

  1. V.R. Babu, R. Veerasamy, S. Patri, S.I.S. Raj, S.C.S.P.K. Krovvidi, S.K. Dash, C. Meikandamurthy, K.K. Rajan, P. Puthiyavinayagam, P. Chellapandi, G. Vaidyanathan, S.C. Chetal, Testing and qualification of Control & safety Rod and its drive mechanism of fast breeder reactor, Nucl. Eng. Des. 240 (7) (2010) 1728-1738. https://doi.org/10.1016/j.nucengdes.2010.02.037
  2. N.K. Sinha, B. Raj, Unification of reactor elastomeric sealing based on material, Nucl. Eng. Des. 243 (2012) 404-418. https://doi.org/10.1016/j.nucengdes.2011.11.025
  3. J.C. Noakes, P.K. Telford, Survey of Control Rod Drive Mechanisms for Application to the FFTF, Battelle Memorial Institute, Washington, BNWL-973, 1969.
  4. F.H. Morgenstern, H. Buchholz, H. Kruger, H. Rohrs, Diverse Shutdown Systems for the KNK-1, KNK-2 and SNR-300 Reactors, Proceedings of the Fast Reactor Safety Meeting, California, pp.1349-1369, April 2-4, 1974.
  5. V.S. Justin, M.K. Ramamurthy, B. Mesnage, Control Rod Drive Mechanism: System Manual, FBTR/FRG/31330/S-RS-3, 1976.
  6. E.R. McKeehan, R.G. Sim, Secondary Control Rod System, US-ERDA/JapanesePNC Working Group Seminar on LMFBR Components, 1977. Conf-771217-3.
  7. S. Matsumoto, T. Ogawa, Y. Ishii, Y. Yamagishi, F. Suzuki, Bellows for Control Rod Drive Mechanism of MONJU, 1979.
  8. R. Vijayashree, R. Veerasamy, S. Patri, P. Chellapandi, G. Vaidyanathan, S.C. Chetal, B. Raj, Design, development, testing & qualification of Diverse safety Rod & drive mechanism for a prototype fast breeder reactor, J. Eng. Gas Turbines Power 132 (10) (2010) 102921-102929. https://doi.org/10.1115/1.4001059
  9. S. Aithal, V.R. Babu, V. Balasubramaniyan, K. Velusamy, P. Chellapandi, Experimental validation of thermal design of top shield for a pool type SFR, Nucl. Eng. Des. 300 (2016) 231-240. https://doi.org/10.1016/j.nucengdes.2016.01.037
  10. Abaqus Documentation - Abaqus Analysis User's Guide, 2017.
  11. N.N. Azmi, S.N.A.M. Noor, Testing Standards Assessment for Silicone Rubber, International Symposium on Technology Management and Emerging Technologies (ISTMET), Bandung, Indonesia, May 27-29, 2014.
  12. Stress vs. Strain curve for standard FKM, test methods: ISO 37, ASTM D412, all seals (ASI)- the sealing specialists ISO9001:2015 certified. http://www.allsealsinc.com/allseals/Orings/or13.htm.
  13. N.K. Sinha, P. Ghosh, A. Saha, R. Mukhopadhyay, Baldev Raj, S.C. Chetal, Design optimization of backup seal for sodium cooled fast breeder reactor, Mater. Des. 36 (2012) 396-407. https://doi.org/10.1016/j.matdes.2011.11.050
  14. H. Zareh, D. Bell, Self Contact Tutorial Abaqus CAE, researchgate.Net/, Portland State University, Mechanical Engineering, 2010.
  15. N. Kaushal, S. Patri, et al., Stress Analysis of Backup Seal: Preliminary Studies, FRTG/CDS/99235/DN/3008/R-A, 2020 (Internal document).
  16. C.K. Kim, W.J. Shim, Analysis of contact force and thermal behaviour of lip seals, Tribol. Int. 30 (No.2) (1997) 113-119. https://doi.org/10.1016/0301-679x(96)00030-8
  17. S. Patri, et al., Performance Testing of CSRDM-1, PFBR/31430/EX/1072/R-A, 2012 (Internal document).