Shutdown system number one (SDS-1) consists of Subsequently, more general core modelling concepts are … <> deal with complex issues such as reprocessing and enrichment. Figure 1-1 illustrates how CANDU reactors produce electricity. Chapter 6 Thermalhydraulic Design (pdf 11.4Mb) by Dr. Nikola K. Popov, as of 2017.03.12 Chapter 7 Thermalhydraulic Virtually all the systems in a nuclear power plant contain an instrumentation and control element. [���q(4g�:�V0e5Q6bF�5��n#�[��=YL M�� ��pvz�hf,�}@�Ї �r����=����v�O8?��En�v�``gD��Lʢ �#m�^P6�kEZ���dC���d���Чm ,�f�@�/k��5����إ�U�[7�]����>�b-�������VaRE&&���͵� ��r��$� M��@�d�^f>�t Reactor-Physics Analysis Basis for Current CANDU Presentation to US NRC 2002 December B. Rouben Manager, Reactor Core Physics AECL, Sheridan Park Pg 2 Purpose The objectives of this presentation are to: • discuss the basic design features of the current CANDU stations use experts in health physics, radiation protection, shielding, and environ-mental safety to ensure that reactor operations comply with Canadian regulations in a safe and controlled manner. In 1985 four of the top ten reactor units in the world were CANDU reactors operating in South Korea and Canada. The design utilizes natural uranium fuel, computer-controlled operation, and on-line refueling. CANDU Refuelling is carried out with the reactor at power. endobj The CANDU 6 design as implemented at sites in Subsequently, more general core modelling concepts are presented, including the two-step approach to neutronics calculations: multi-group lattice transport calculations, followed by full-core, few-group diffusion calculations. A slow or thermal neutron, possessing a speed of approximately 2200 mis, is absorbed in a Uranium-235 nucleus. ������^� AeIa����e��؟EE��������op6���۠��2��[�d�֙0��N��/�S��A1�Ԝơ�K{��5lH͸l�+�)W��~�8�d�|QD��dn�]�� The reason that a steam generator is used is due to the fact that the heavy water coolant is radioactive from being in direct contact with the reactor core. endobj 0000001068 00000 n x��Wms�F����>�2�wI�g0����qm����Jd��#� ����$����X0b��yv�vI������/F�����ѐ|�v8�s.��! On-power refuelling (CANDU reactors); Human/machine interface. 0000007775 00000 n endobj 3 0 obj The last seven CANDU reactors have been built on budget and on or ahead of schedule Advanced safety features that go above and beyond %PDF-1.3 %���� Dunn, J.J. Lipsett, M.J.F. reactors, arguably present a similar driver today for reactor design standardization and harmonized approaches to licensing. In nuclear reactor PSAs, risk is usually defined by the frequency and magnitude of radioactive releases to the environment. Notley, N.J. Spinks ABSTRACT The CANDU reactor system has proven itself to be a world leader in terms of station availability and low total unit energy cost. UNRESTRICTED TDS1 -105 I I | CANDU NUCLEAR POWER SYSTEM I • ABSTRACT IThis report provides a comprehensive summary of the many components that make up a CANDU reactor. The Advanced Fuel CANDU Reactor (AFCR ) is a Generation III advanced fuel-efficient 740 MWe-class Pressurized Heavy Water Reactor developed by Candu Energy, a member of the SNC-Lavalin Group and China National Nuclear 0000001613 00000 n reactor rated at 450 MWe with two steam generators and two heat transport pumps connected in series. The reactor … CANDU 6.docx CANDU 6 The CANDU power reactor offers a combination of proven and superior state-of-the-art technology. 77 0 obj << /Linearized 1 /O 81 /H [ 1261 352 ] /L 277526 /E 8324 /N 13 /T 275868 >> endobj xref 77 26 0000000016 00000 n * CANDU - Canadian Deuterium Uranium Reactor + LWR - Light Wate r Reacto ATOMIC ENERGY OF CANADA LIMITED Power Projects Sheridan Park Research Community Mississauga, Ontario, L5K 1B2 AECL5609 March 1976. Built on proven Canadian technology, this For various outer zone enrichments and inner zone These reactors are heavy water cooled and moderated pressurized water reactors. Reactor Assembly The CANDU 6 reactor assembly, shown in the figure opposite, includes the fuel channels contained in and supported by a horizontal cylindrical tank known as the calandria. 25 No. It was designed specifically for electricity production, unlike other major reactor types that evolved from w����Rb(�J�J^$ x����r�X���AAT�*�(l���ވ����c D�v�8M��{؞0�����ӱ�. 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