A preliminary shielding analysis on the transport of the Chinese helium cooled ceramic breeder test blanket module（HCCB TBM） from France back to China after being irradiated in ITER is presented in this contribution...A preliminary shielding analysis on the transport of the Chinese helium cooled ceramic breeder test blanket module（HCCB TBM） from France back to China after being irradiated in ITER is presented in this contribution.Emphasis was placed on irradiation safety during transport.The dose rate calculated by MCNP/4C for the conceptual package design satisfies the relevant dose limits from IAEA that the dose rate 3 m away from the surface of the package containing low specific activity III materials should be less than 10 mSv/h.The change with location and the time evolution of dose rates after shutdown have also been studied.This will be helpful for devising the detailed transport plan of HCCB TBM back to China in the near future.展开更多
Using the Monte Carlo transport code MCNP, neutronic calculation analysis for China helium cooled ceramic breeder test blanket module （CN HCCB TBM） and the associated shield block （together called TBM-set） has bee...Using the Monte Carlo transport code MCNP, neutronic calculation analysis for China helium cooled ceramic breeder test blanket module （CN HCCB TBM） and the associated shield block （together called TBM-set） has been carried out based on the latest design of HCCB TBM-set and C-lite model. Key nuclear responses of HCCB TBM-set, such as the neutron flux, tritium production rate, nuclear heating and radiation damage, have been obtained and discussed. These nuclear performance data can be used as the basic input data for other analyses of HCCB TBM-set, such as thermal-hydraulics~ thermal-mechanics and safety analysis.展开更多
基金supported by the Major State Basic Research Development Program of China(973 Program)(No.2013GB108000)
文摘A preliminary shielding analysis on the transport of the Chinese helium cooled ceramic breeder test blanket module（HCCB TBM） from France back to China after being irradiated in ITER is presented in this contribution.Emphasis was placed on irradiation safety during transport.The dose rate calculated by MCNP/4C for the conceptual package design satisfies the relevant dose limits from IAEA that the dose rate 3 m away from the surface of the package containing low specific activity III materials should be less than 10 mSv/h.The change with location and the time evolution of dose rates after shutdown have also been studied.This will be helpful for devising the detailed transport plan of HCCB TBM back to China in the near future.
基金supported by the Major State Basic Research Development Program of China(973 Program)(No.2013GB108000)
文摘Using the Monte Carlo transport code MCNP, neutronic calculation analysis for China helium cooled ceramic breeder test blanket module （CN HCCB TBM） and the associated shield block （together called TBM-set） has been carried out based on the latest design of HCCB TBM-set and C-lite model. Key nuclear responses of HCCB TBM-set, such as the neutron flux, tritium production rate, nuclear heating and radiation damage, have been obtained and discussed. These nuclear performance data can be used as the basic input data for other analyses of HCCB TBM-set, such as thermal-hydraulics~ thermal-mechanics and safety analysis.
