Fuel and core design of super LWR with stainless steel cladding

Kazuhiro Kamei, Akifumi Yamaji, Yuki Ishiwatari, Liu Jie, Yoshiaki Oka

Research output: Chapter in Book/Report/Conference proceedingConference contribution

21 Citations (Scopus)

Abstract

An equilibrium core of High Temperature Supercritical-pressure Light Water Reactor, now called Super LWR, has been designed. The fuel assemblies loaded in the peripheral region of the core are cooled with descending flow to achieve a high average coolant core outlet temperature. In the present design, Stainless Steel is used for fuel rod claddings and for structural materials. Gd 2O3 concentration and the fuel load pattern are optimized to reduce fuel enrichment. Watts correlations are used for prediction of heat transfer in the core, which takes into account an improvement of heat transfer for downward flow, different from the Oka-Koshizuka correlation used in the previous design. It is found that the water rods with their downward flow need to be thermally insulated with thin ZrO2 layer to keep the moderator temperature below the pseudo critical temperature. As a result, an average coolant core outlet temperature of 500C is achieved. In addition, the effect of various heat transfer correlations on the cladding surface temperature is evaluated.

Original languageEnglish
Title of host publicationProceedings of the American Nuclear Society - International Congress on Advances in Nuclear Power Plants 2005, ICAPP'05
Pages2711-2720
Number of pages10
Volume5
Publication statusPublished - 2005
Externally publishedYes
EventAmerican Nuclear Society - International Congress on Advances in Nuclear Power Plants 2005, ICAPP'05 - Seoul, Korea, Republic of
Duration: 2005 May 152005 May 19

Other

OtherAmerican Nuclear Society - International Congress on Advances in Nuclear Power Plants 2005, ICAPP'05
CountryKorea, Republic of
CitySeoul
Period05/5/1505/5/19

Fingerprint

Stainless steel
Heat transfer
Coolants
Temperature
Light water reactors
Moderators
Water

ASJC Scopus subject areas

  • Nuclear Energy and Engineering
  • Safety, Risk, Reliability and Quality

Cite this

Kamei, K., Yamaji, A., Ishiwatari, Y., Jie, L., & Oka, Y. (2005). Fuel and core design of super LWR with stainless steel cladding. In Proceedings of the American Nuclear Society - International Congress on Advances in Nuclear Power Plants 2005, ICAPP'05 (Vol. 5, pp. 2711-2720)

Fuel and core design of super LWR with stainless steel cladding. / Kamei, Kazuhiro; Yamaji, Akifumi; Ishiwatari, Yuki; Jie, Liu; Oka, Yoshiaki.

Proceedings of the American Nuclear Society - International Congress on Advances in Nuclear Power Plants 2005, ICAPP'05. Vol. 5 2005. p. 2711-2720.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Kamei, K, Yamaji, A, Ishiwatari, Y, Jie, L & Oka, Y 2005, Fuel and core design of super LWR with stainless steel cladding. in Proceedings of the American Nuclear Society - International Congress on Advances in Nuclear Power Plants 2005, ICAPP'05. vol. 5, pp. 2711-2720, American Nuclear Society - International Congress on Advances in Nuclear Power Plants 2005, ICAPP'05, Seoul, Korea, Republic of, 05/5/15.
Kamei K, Yamaji A, Ishiwatari Y, Jie L, Oka Y. Fuel and core design of super LWR with stainless steel cladding. In Proceedings of the American Nuclear Society - International Congress on Advances in Nuclear Power Plants 2005, ICAPP'05. Vol. 5. 2005. p. 2711-2720
Kamei, Kazuhiro ; Yamaji, Akifumi ; Ishiwatari, Yuki ; Jie, Liu ; Oka, Yoshiaki. / Fuel and core design of super LWR with stainless steel cladding. Proceedings of the American Nuclear Society - International Congress on Advances in Nuclear Power Plants 2005, ICAPP'05. Vol. 5 2005. pp. 2711-2720
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