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3 - Reactor Core

Published online by Cambridge University Press:  05 February 2014

Anthony M. Judd
Affiliation:
United Kingdom Atomic Energy Authority
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Summary

Introduction

Having described the neutron physics of a fast reactor in Chapter 1 and the behaviour of the fuel elements in Chapter 2, in this chapter we discuss the engineering of the core of a power-producing fast reactor. The three following sections deal with heat transfer, materials and structure.

Heat transfer comes first because the dimensions of the fuel elements and of the core are determined mainly by the demands of heat transfer. The fuel elements have to be of the right dimensions to transfer heat to the coolant at the required rate without overheating. The core has then to be large enough to allow enough coolant to flow through it to take the heat away. This section deals mainly with liquid metal coolants.

Once themain dimensions are fixed the form of the core is determined by the properties of the materials of which it is made, and in particular by the way these properties are affected by neutron irradiation and exposure to the coolant. The structure of the core has then to be designed within these constraints to hold the fuel in place, to allow it to be changed when necessary, to distribute the coolant flow correctly, and to provide for the control rods.

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Publisher: Cambridge University Press
Print publication year: 2014

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References

Allen, T. R. and Crawford, D. C. (2007) Lead-Cooled Fast Reactor Systems and the Fuels and Materials Challenges, Science and Technology of Nuclear Installations, article ID 97486
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  • Reactor Core
  • Anthony M. Judd, United Kingdom Atomic Energy Authority
  • Book: An Introduction to the Engineering of Fast Nuclear Reactors
  • Online publication: 05 February 2014
  • Chapter DOI: https://doi.org/10.1017/CBO9781139540858.005
Available formats
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  • Reactor Core
  • Anthony M. Judd, United Kingdom Atomic Energy Authority
  • Book: An Introduction to the Engineering of Fast Nuclear Reactors
  • Online publication: 05 February 2014
  • Chapter DOI: https://doi.org/10.1017/CBO9781139540858.005
Available formats
×

Send book to Google Drive

To send content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about sending content to Google Drive.

  • Reactor Core
  • Anthony M. Judd, United Kingdom Atomic Energy Authority
  • Book: An Introduction to the Engineering of Fast Nuclear Reactors
  • Online publication: 05 February 2014
  • Chapter DOI: https://doi.org/10.1017/CBO9781139540858.005
Available formats
×