09/30179540 DC : DRAFT NOV 2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
BS ISO 11311 - NUCLEAR ENERGY - CRITICALITY SAFETY - CRITICAL VALUES FOR HOMOGENEOUS PLUTONIUM-URANIUM OXIDE FUEL MIXTURES OUTSIDE OF REACTORS
31-07-2011
23-11-2012
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Reference systems concerned by this International
Standard
4.1 Reference fissile media
4.2 Moderation conditions
4.3 Geometrical models
4.4 Reflecting conditions
5 Critical values
5.1 Presentation of the results
5.2 Requirements
6 Subcritical limits and margin of safety
Annex A (informative) - Reference fissile media
Annex B (informative) - Criticality schemes used for the
calculations
B.1 Types of calculation scheme
B.2 List of codes and libraries used
Annex C (normative) - Critical dimensions for a water
reflection of 30 cm
Annex D (normative) - Critical dimensions for a water
reflection of 2,5 cm
Annex E (normative) - Critical parameters for a water
reflection of 30 cm
Annex F (normative) - Critical parameters for a water
reflection of 2,5 cm
Bibliography
| Committee |
NCE/9
|
| DocumentType |
Draft
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| ISO 14943:2004 | Nuclear fuel technology — Administrative criteria related to nuclear criticality safety |
| ISO 1709:1995 | Nuclear energy Fissile materials Principles of criticality safety in storing, handling and processing |
| ISO 921:1997 | Nuclear energy Vocabulary |
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