Design Extension Conditions And The Concept Of Practical Elimination In The Design Of Nuclear Power Plants PDF Download
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| Author | : IAEA |
| Publisher | : International Atomic Energy Agency |
| Total Pages | : 81 |
| Release | : 2024-02-06 |
| Genre | : Technology & Engineering |
| ISBN | : 9201305230 |
Download Design Extension Conditions and the Concept of Practical Elimination in the Design of Nuclear Power Plants Book in PDF, ePub and Kindle
The objective of this Safety Guide is to provide recommendations for the design of new nuclear power plants related to defense in depth and the practical elimination of plant event sequences that could lead to an early radioactive release or a large radioactive release. It also provides recommendations in relation to design aspects of defense in depth, in particular on those aspects associated with design extension conditions. Since the introduction of the term "practical elimination" in the early 90's and the recognition that accident conditions could include design extension conditions without significant fuel degradation and design extension conditions with core melting, those topics have been the subject of extensive discussions and several publications. The purpose of this publication is to facilitate international consensus on the understanding of those topics among regulators and designers and to provide recommendations for their consistent implementation in relevant nuclear power plant designs. In particular, this Specific Safety Guide gives recommendations related to the demonstration of the implementation of the practical elimination concept for those plant event sequences that could lead to an early radioactive release or a large radioactive release, which relies on the physical impossibility or on the high-level confidence that they are extremely unlikely to arise.
| Author | : International Atomic Energy Agency |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2024-04-30 |
| Genre | : Technology & Engineering |
| ISBN | : 9789201303233 |
Download Design Extension Conditions and the Concept of Practical Elimination in the Design of Nuclear Power Plants Book in PDF, ePub and Kindle
The objective of this Safety Guide is to provide recommendations for the design of new nuclear power plants related to defence in depth and the practical elimination of plant event sequences that could lead to an early radioactive release or a large radioactive release. It also provides recommendations in relation to design aspects of defence in depth, in particular on those aspects associated with design extension conditions. Since the introduction of the term "practical elimination" in the early 90's and the recognition that accident conditions could include design extension conditions without significant fuel degradation and design extension conditions with core melting, those topics have been the subject of extensive discussions and several publications. The purpose of this publication is to facilitate international consensus on the understanding of those topics among regulators and designers and to provide recommendations for their consistent implementation in relevant nuclear power plant designs. In particular, this Specific Safety Guide gives recommendations related to the demonstration of the implementation of the practical elimination concept for those plant event sequences that could lead to an early radioactive release or a large radioactive release, which relies on the physical impossibility or on the high-level confidence that they are extremely unlikely to arise.
| Author | : International Atomic Energy Agency |
| Publisher | : |
| Total Pages | : 72 |
| Release | : 1986 |
| Genre | : Business & Economics |
| ISBN | : |
Download Design for Reactor Core Safety in Nuclear Power Plants Book in PDF, ePub and Kindle
Covers the mechanical, chemical, thermal, hydraulic, neutronic and irradiation considerations important to the safe design of a nuclear reactor core. The core features of commonly used reactor types including light and heavy water reactors, as well as gas cooled reactors, are addressed.
| Author | : IAEA |
| Publisher | : International Atomic Energy Agency |
| Total Pages | : 81 |
| Release | : 2024-02-07 |
| Genre | : Technology & Engineering |
| ISBN | : 9201302231 |
Download Evaluation of Seismic Safety for Nuclear Installations Book in PDF, ePub and Kindle
This Safety Guide provides recommendations on the seismic safety evaluation of nuclear installations. It addresses all types of new and existing nuclear installations. This Safety Guide presents three assessment methodologies: the deterministic approach, generally known as seismic margin assessment (SMA), seismic probabilistic safety assessment (SPSA), and a combination of SMA and SPSA known as probabilistic safety assessment (PSA) based SMA. This Safety Guide provides specific recommendations on applying a performance-based graded approach to the seismic safety evaluation of nuclear installations other than nuclear power plants. It also covers the relation between seismic safety margins and defense-in-depth (DiD) level 3 and level 4. For new nuclear installations, this Safety Guide provides recommendations to assess adequacy of seismic margin to avoid cliff edge effects considering DiD level 3 and level 4. This publication is intended for use by regulatory bodies, operating organizations, and designers of nuclear installations.
| Author | : International Atomic Energy Agency |
| Publisher | : |
| Total Pages | : 218 |
| Release | : 2020-07-30 |
| Genre | : |
| ISBN | : 9789201080202 |
Download Modelling of Fuel Behaviour in Design Basis Accidents and Design Extension Conditions Book in PDF, ePub and Kindle
This publication is the result of an IAEA technical meeting and reports on Member States' capabilities in modelling, predicting and improving their understanding of the behaviour of nuclear fuel under accident conditions. The main results and outcomes of a coordinated research project (CRP) on this topic are also presented.
| Author | : International Atomic Energy Agency |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 2012 |
| Genre | : Technology & Engineering |
| ISBN | : 9789201215109 |
Download Safety of Nuclear Power Plants Book in PDF, ePub and Kindle
On the basis of the principles included in the Fundamental Safety Principles, IAEA Safety Standards Series No. SF-1, this Safety Requirements publication establishes requirements applicable to the design of nuclear power plants. It covers the design phase and provides input for the safe operation of the power plant. It elaborates on the safety objective, safety principles and concepts that provide the basis for deriving the safety requirements that must be met for the design of a nuclear power plant. Contents: 1. Introduction; 2. Applying the safety principles and concepts; 3. Management of safety in design; 4. Principal technical requirements; 5. General plant design; 6. Design of specific plant systems.
| Author | : IAEA |
| Publisher | : International Atomic Energy Agency |
| Total Pages | : 109 |
| Release | : 2020-08-26 |
| Genre | : Technology & Engineering |
| ISBN | : 920106022X |
Download Methodologies for Seismic Safety Evaluation of Existing Nuclear Installations Book in PDF, ePub and Kindle
Experience shows that an assessment of the seismic capacity of an existing operating facility can be required for a number of reasons, for example identification of potential seismic vulnerabilities based on operating experience events or the periodic safety review programme. This publication covers the seismic safety evaluation programmes to be performed on existing nuclear installations in order to ensure that the required fundamental safety functions are available, with particular attention to the safe shutdown of reactors. It includes lessons learned based on the IAEA Action Plan on Nuclear Safety following the Fukushima Daiichi accident, and updated methodologies for seismic safety evaluation of nuclear installations.
| Author | : IAEA |
| Publisher | : International Atomic Energy Agency |
| Total Pages | : 86 |
| Release | : 2019-12-09 |
| Genre | : Technology & Engineering |
| ISBN | : 9204548231 |
Download Design of the Reactor Containment and Associated Systems for Nuclear Power Plants Book in PDF, ePub and Kindle
This Safety Guide provides recommendations on meeting the requirements of IAEA Safety Standards Series No. SSR-2/1 (Rev. 1) relevant to reactor containment and associated systems. The publication addresses the containment structure and the systems with the functions of isolation, control and management of mass and energy releases, control and limitation of radioactive releases, and control and management of combustible gases. The Safety Guide is intended for use primarily for land based, stationary nuclear power plants with water cooled reactors designed for electricity generation or for other heat generating applications, such as for district heating or desalination.
| Author | : International Atomic Energy Agency |
| Publisher | : International Atomic Energy Agency |
| Total Pages | : 261 |
| Release | : 2019-09-17 |
| Genre | : Technology & Engineering |
| ISBN | : 9789201047182 |
Download IAEA Safety Glossary Book in PDF, ePub and Kindle
The IAEA Safety Glossary defines and explains technical terms used in the IAEA Safety Standards and other safety related IAEA publications, and provides information on their usage. The 2018 Edition of the IAEA Safety Glossary is a new edition of the IAEA Safety Glossary, originally issued in 2007. It has been revised and updated to take into account new terminology and usage in safety standards issued between 2007 and 2018. The revisions and updates reflect developments in the technical areas of application of the safety standards and changes in regulatory approaches in Member States.
| Author | : IAEA |
| Publisher | : International Atomic Energy Agency |
| Total Pages | : 87 |
| Release | : 2019-12-31 |
| Genre | : Technology & Engineering |
| ISBN | : 9201076223 |
Download Design of the Reactor Core for Nuclear Power Plants Book in PDF, ePub and Kindle
The reactor core is the central part of a nuclear reactor where nuclear fission occurs. It consists of four basic systems and components: the fuel (including fuel rods and the fuel assembly structure), the coolant, the moderator and the control rods, as well as additional structures such as reactor pressure vessel internals, core support plates, and the lower and upper internal structure in light water reactors. This Safety Guide provides recommendations on meeting the safety requirements established in IAEA Safety Standards Series No. SSR-2/1 (Rev. 1), Safety of Nuclear Power Plants: Design, applied to the design of the reactor core for nuclear power plants. The publication addresses the safety aspects of the core design and includes neutronic, thermohydraulic, thermomechanical and structural mechanical aspects. Other aspects considered are those relating to reactor core control, shutdown and monitoring, and core management.
