Version 28/03/2007. Fixed Bed Nuclear Reactor FBNR. Presentation in Dominican Republic April 28 – May 2, 2008 www.sefidvash.net Farhang Sefidvash Farhang@Sefidvash.net. Structure of an atom. Nuclear Fission. Neutron Moderation & Nuclear Fission. Criticality of FBNR Reactor. Burnup.
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April 28 – May 2, 2008
There are two sources of heat generation in a nuclear
The reactor safety requires that the fission process be under control and the cooling of residual heat due to the decay of fission products is achieved by natural convection
Passive cooling is obtained by cooling through the phenomena of natural convection.
Variation in global temperature.
0% No stress
20% Moderate stress
10% Low stress
40% High stress
80% Very high stress
The possibility of a dual purpose FBNR Plant to produce electricity and desalinated water at the same time.
International Project on Innovative Nuclear Reactors and Fuel Cycles
As of May 2007
27 MembersArgentina, Armenia, Belarus, Brazil, Bulgaria, Canada, Chile, China, Czech Republic, France, Germany, India, Indonesia, Japan, Republic of Korea, Morocco, Pakistan, Russia, Slovakia, South Africa, Spain, Switzerland, The Netherlands, Turkey, Ukraine, USA and EC
(+ announcements from Algeria, Kazakhstan and Belgium)
rules to guide RD&D (14)
Derivation of hierarchy
Fulfilment of hierarchy
conditions for acceptance of User (38)
enables judgement of potential of INS (94)
(Indicator +Accept. Limit)
Holistic approach to assess INS in seven areas to assure its stainability
Manualsto describe how to make assessment.
small nuclear reactors
innovative nuclear reactor
Proliferation resistance is that characteristic of a nuclear system that impedes the diversion or undeclared production of nuclear material, or misuse of technology, by States in order to acquire nuclear weapons or other nuclear explosive devices.
Como II, IAEA STR-332, December 2002
Intrinsic proliferation resistance features are those features that result from the technical design of nuclear energy systems, including those that facilitate the implementation of extrinsic measures.
Extrinsic proliferation resistance measures are those that result from States’ undertakings related to nuclear energy systems.
Safeguards is an extrinsic measure comprising legal agreements between the party having authority over the nuclear energy system and a verification control authority (e.g. IAEA or a Regional Safeguards System)
IAEA STR-332, December 2002
= rule to guide RD&D
= conditions for acceptance by User
= enables judgement of potential of INS
a = Derivation of hierarchyb = Fulfilment of demands on INS
“An act or thread of violence against non-
combatants with the objective of expecting
revenge , intimation, or otherwise influencing
How a small investment by an investor/country can raise a large capital for the project through a multi national program.
CRP- IAEA Coordinated Research Project, the embryo of
WONEC – World Nuclear Energy Company
European Community’s “Matching Fund”
20 countries participate in the Projeto
Therefore, an investment of $ 1.00 raises $ 100.00 for the project.
The technology should be available to all the nations of the world under the supervision and control of the international authorities such as IAEA.
FBNR meets the requirements of the IAEA's INPRO standards as a future reactor:
Energy without causing global warming.
High technology development.
Avoid brain drain
Influence of high technology on other Industries.
Transfer of the present knowledge on FBNR to a group of researchers can be done through
Teaching at distance
International Atomic Energy Agency
To the World Community
INPRO - International Project on Innovative Nuclear Reactors and Fuel Cycles.
SRWOSR - Small Reactors Without On-Site Refuelling
FBNR - Fixed Bed Nuclear Reactor
CPP - Collaborative Project Proposal
TC - Technical Cooperation
at the service of humanity
YOU ARE INVITED TO PARTICIPATE IN THE PROJECT