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Aims :

• To introduce the concept of neutron leakage and the consequences on reactor core design.

Objectives :

By the end of this course the student will be able to:

• Differentiate between an infinite reactor and a real reactor and name the extra process of neutron loss occurring in real reactors.
• Define the probability of leakage (PL) and Non-leakage (PNL) of neutrons from a real reactor for a single loss description.
• Recognise the adjustments made to the four factor formula for a real reactor.
• Define the effective multiplication constant (Keff).
• Define the non-leakage probability of neutrons (PNL) in terms of the infinite multiplication constant (K).
• State the factors which affect PNL in terms of minimisation of PL by size and shape.
• Understand what is meant by the term fuel reprocessing and state how fissile material is stored and why it is stored in that way.

Course Modules:

Leakage Leakage and Non-Leakage Probabilities Effective multiplication constant Factors affecting the non-leakage probability Processing and storage of fissile material Assessment