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Principles and operation of nuclear reactors

Module Objective:

  • Provide the basic elements for the understanding of the production process and fission energy related to the nuclear reactor.
  • Introduce the technological aspects associated to the reactor core. 
  • Give the basic foundations of calculation and evaluation.
  • Present the basic nuclear fuel cycle elements.

Module Content:

  • Nuclear reactor operation principle. Historical introduction and current situation of nuclear energy.
  • Neutron interaction. Reactions types. Cross sections according to the energy. Neutron scattering. Moderation power and reason.
  • Fission process in a nuclear reactor. Fission reaction. Conversion and reproduction. Fission energy. Nuclear reactor power. Fuel consumption, fission products.
  • Neutron multiplication in a nuclear reactor. The multiplication factor. 
  • The four and six factors formula. Critical mass.
  • Reactor kinetics. Delayed and non delayed neutrons. Reactivity equation for six delayed neutron groups. Flux evolution.
  • Control rod effect. Control-rod Worth. Differential and integral value.
  • Soluble poisons. Reactivity effect calculation.
  • Burnable poisons. Location. Reactivity effect calculation.
  • Reactivity temperature effects. Feedback coefficients. Stability. Fuel temperature coefficient. Moderator temperature coefficient.     
  • Fission products poisoning. Dead Time. Xenon oscillations. Samarium effects.
  • Neutron Sources. Sub critical multiplication. 
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