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OBJECTIVES
DOE-HDBK-1019/2-93
Reactor Theory (Nuclear Parameters)
TERMINAL OBJECTIVE
1.0
Using appropriate references, DESCRIBE the neutron life cycle discussed in this
module.
ENABLING OBJECTIVES
1.1
DEFINE the following terms:
a.
Infinite multiplication factor, k¥
b.
Effective multiplication factor, keff
c.
Subcritical
d.
Critical
e.
Supercritical
1.2
DEFINE each term in the six factor formula using the ratio of the number of neutrons
present at different points in the neutron life cycle.
1.3
Given the macroscopic cross sections for various materials, CALCULATE the thermal
utilization factor.
1.4
Given microscopic cross sections for absorption and fission, atom density, and n,
CALCULATE the reproduction factor.
1.5
Given the numbers of neutrons present at the start of a generation and values for each
factor in the six factor formula, CALCULATE the number of neutrons that will be
present at any point in the life cycle.
1.6
LIST physical changes in the reactor core that will have an effect on the thermal
utilization factor, reproduction factor, or resonance escape probability.
1.7
EXPLAIN the effect that temperature changes will have on the following factors:
a.
Thermal utilization factor
b.
Resonance escape probability
c.
Fast non-leakage probability
d.
Thermal non-leakage probability
1.8
Given the number of neutrons in a reactor core and the effective multiplication factor,
CALCULATE the number of neutrons present after any number of generations.
NP-03
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