reactor core
Shape optimization of a Sodium Fast Reactor core
... nuclear reactor core of generation IV which is cooled with ...the core and even the use of the simplified one group theory can lead to relevant ...
16
Condition monitoring of an advanced gas-cooled nuclear reactor core
... the core The advanced gas-cooled reactor is a pressurized are taken for control and protection ...The core of an advanced gas reactor is constructed reactor which uses enriched uranium ...
11
NUCLEAR REACTOR CORE PRESSURE LOSS ADJUSTMENT WITH NEURAL APPROACH
... nuclear reactor core analysis involves the determination of the optimal coolant flow distribution and pressure drop across the ...the core, hence larger required pumping powers and larger dynamic ...
9
The Application of Adaptive Model Refinement to Nuclear Reactor Core Simulation.
... nuclear reactor is a complex and lengthy process made up of various technical trade- ...the reactor simulation time/accuracy ...to reactor core design has the potential to help engineers ...
233
Swelling of the WWER-1000 Reactor Core Baffle
... WWER-1000 reactor core baffle integrity using ANSYS User-Programmable Features for irradiation, swelling and ...the reactor internals do not limit the lifetime extension, except where possible ...
10
Radiation transport out from the reactor core: to decouple or not to decouple
... Abstract. In the framework of the extension of the lifetime of currently operating reactors as well as of issues connected to decommissioning, accurate calculations of neutron and gamma responses outside the ...
12
Evaluation of isotopic composition of fast reactor core in closed nuclear fuel cycle
... The code REPRORYV (REcycle for PRORYV), which simulates the processes of loading, processing, and handling of fuel assemblies in the cores of BN-600, BN- 800, BN-1200 [8, 9, 10] and other advanced fast reactors was ...
8
Study of a Depressurisation Process at Low Mach number in a nuclear reactor core
... Abstract. This paper deals with the numerical treatment of two additional terms in the Lmnc-system modelling the coolant in a nuclear reactor core. The latter model was derived and studied by the authors in ...
20
Monitoring a gas-cooled nuclear reactor core integrity
... gas-cooled reactor (AGR) nuclear power stations are approaching the end of their predicted operational ...The reactor core is composed of a hundreds of hollow graphite bricks (that acts as neutron ...
6
Mechanical Analysis Tools for Predicting Duct Dilation in a Traveling Wave Reactor Core
... The high energy fast neutron flux in liquid metal fast breeder reactors, such as the TWR, causes unique material behavior in reactor core components. These behaviors include irradiation creep, swelling, ...
9
Further Development of the Application of Adaptive Model Refinement to Nuclear Reactor Core Simulation
... the core of a nuclear power reactor is an intricate process, as there are many requirements that must be ...the reactor can be operated safely, it is important to be able to predict the behavior of ...
127
Trade-off Studies for Defining the Characteristics of the IRIS Reactor Core
... While all the considered materials offered some unique advantages, satisfaction of the second (economics) and fifth (no major developments) requirements limited the choice[r] ...
7
3D Modelling of an AGR Reactor Core for Plant Lifetime Extension
... For the life extension of the AGR power plants, it is therefore desirable that decisions should be based on results and conclusions with the least number of simplifying assumptions and conservatisms. An example is the ...
10
ENCORE - A Model of Reactor Core Configuration and Loads
... The total potential energy is the sum of the elastic and gravitational energies of the bricks and is a function of each brick's position (displacement and rotation) [r] ...
8
Stress Analysis of Two-Dimensional C/C Composite Components for HTGR'S Core Restraint Mechanism
... the core so as to increase operating ...the core restraint mechanism. The core of typical HTGRs such as the High-Temperature Engineering Test Reactor (HTTR) consists of fuel blocks, ...
6
Computational Assessment of the Reactor Vessel Cooling Options in a prismatic core VHTR
... Transient analyses are performed both for the High Pressure Conduction Cooldown (HPCC) accident and for the Lowe Pressure Conduction Cooldown (LPCC) accident. The HPCC accident is the limiting case for vessel heat-up at ...
12
Fuel Assembly Design for High Seismic Sites
... The main parameters affecting fuel assembly response in a reactor core are the following: spacer grid impact stiffness, strength and coefficient of restitution, nu[r] ...
6
Prediction of Neutronic and Kinetic Parameters of Ghana Research Reactor 1 (GHARR 1) after 19 Years of Operation Using Monte Carlo N Particle (MCNP) Code
... The Reactor Burn up System (REBUS) code has been used to generate an inven- tory of isotopes produced due to fission products and fuel burn up after 19 years of GHARR-1’s ...the reactor core as can ...
16
Design and analysis of the core restraint system for a small modular fast reactor
... fast reactor core assembly is composed of a closely packed hexagonal arrangement of fueled, control, blanket reflector, and shielding ...the core assemblies are supported and ...a core ...
10