Investigation of Safeguards Management for Operation Security of Nanoscale Nuclear Material in Nuclear Power Plants Using Game Theory - Atomic Nanoscale Technology in the Nuclear Industry - page 137

Game eory

Secure A Secure B

Non-Secure A Non-Secure B

FIGURE 11.8
Coniguration. for. the. basic. events. of. game. theory.. Straight. lines:. interactions;. dotted. lines:.
possible.interactions.

Fuel Temperature

Fuel Uncertainty
Nuclear Data Files

Neutronics Matters

Power Production

Carrying Accidents
Operator Errors
Safeguard Monitoring

Safeguard Matters Secure Power Operation

Structure Stability

Boiling Capacities
Coolant Temperature

�ermohydraulic Matters

Pressure Standard

Residual Heat Removal

FIGURE 11.9
Event.networks.of.secure.power.operation.in.NPPs.

Carlo.simulation.of.random.sampling.in.Table 11.5..For.example,.in.the.case.
of. fuel. temperature,. the. random. number. is. decided. by. the. random. num-
ber.selector,.which.is.obtained.by.the.PUF.in.selected.NPPs.in.Figure 11.5..
That. is,. the. random. number. is. selected. as. 0. from. 0.001. to. 1. of. the. power.
uprate.in.Figure 11.5..The.random.number.is.generated.as.a.uniform.number.
between.0.and.1..There.are.elective.PUFs.in.Table 11.6,.which.are.decided.by.
the.random.number.selector..The.model.for.this.study.is.the.Monticello.NPP.
with.a.6.3%.power.uprate..Therefore,.the.fuel.temperature.indicates.how.safe.
operation.is.affected.by.the.nuclear.fuel.concentration.change.as.a.result.of.a.
power.uprate..In.addition,.when.the.random.value.for.fuel.uncertainty.and.