Light water breeding with nitride fuel

Bo Feng, Eugene Shwageraus, Benoit Forget, Mujid S. Kazimi

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


This scoping study proposes using mixed nitride fuel in Pu-based high conversion LWR designs in order to increase the breeding ratio. The higher density fuel reduces the hydrogen-to-heavy metal ratio in the reactor which results in a harder spectrum in which breeding is more effective. A Resource-renewable Boiling Water Reactor (RBWR) assembly was modeled in MCNP to demonstrate this effect in a typical high conversion LWR design. It was determined that changing the fuel from (U,TRU)O2 to (U,TRU)N in the assembly can increase its fissile inventory ratio (fissile Pu mass divided by initial fissile Pu mass) from 1.04 to up to 1.17.

Original languageEnglish
Pages (from-to)862-866
Number of pages5
JournalProgress in Nuclear Energy
Issue number7
StatePublished - 1 Sep 2011
Externally publishedYes


  • Breeding
  • Light water reactor
  • Nitride fuel
  • RBWR

ASJC Scopus subject areas

  • Nuclear Energy and Engineering
  • Safety, Risk, Reliability and Quality
  • Energy Engineering and Power Technology
  • Waste Management and Disposal


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