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Homepage>BS Standards>27 ENERGY AND HEAT TRANSFER ENGINEERING>27.120 Nuclear energy engineering>27.120.30 Fissile materials>BS ISO 27468:2011 Nuclear criticality safety. Evaluation of systems containing PWR UOX fuels. Bounding burnup credit approach
immediate downloadReleased: 2011-07-31
BS ISO 27468:2011 Nuclear criticality safety. Evaluation of systems containing PWR UOX fuels. Bounding burnup credit approach

BS ISO 27468:2011

Nuclear criticality safety. Evaluation of systems containing PWR UOX fuels. Bounding burnup credit approach

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Standard number:BS ISO 27468:2011
Pages:22
Released:2011-07-31
ISBN:978 0 580 65210 3
Status:Standard
DESCRIPTION

BS ISO 27468:2011


This standard BS ISO 27468:2011 Nuclear criticality safety. Evaluation of systems containing PWR UOX fuels. Bounding burnup credit approach is classified in these ICS categories:
  • 27.120.30 Fissile materials and nuclear fuel technology

This International Standard establishes an evaluation methodology for nuclear criticality safety with burnup credit. It identifies important parameters and specifies requirements, recommendations, and precautions to be taken into account in the evaluations. It also highlights the main important technical fields to ensure that the fuel composition or history considered in calculations provides a bounding value of the effective neutron multiplication factor, keff.

This International Standard is applicable to transport, storage, disposal or reprocessing units implying irradiated fissile material from pressurized water reactor (PWR) fuels that initially contain uranium oxide (UOX).

Fuels irradiated in other reactors (e.g. boiling water reactors) and fuels that initially contain mixed uranium-plutonium oxide are not covered in this International Standard.

This International Standard does not specify requirements related to overall criticality safety evaluation or eventual implementation of burnup credit.