Burnup characteristics and fuel cycle economics of mixed uranium–thorium fuel in a simplified small pebble bed reactor

Figures & data

Figure 1. Illustration of the peu à peu fuel-loading concept.

Figure 2. Parametric survey results for selected fuel compositions.

Figure 3. Effective multiplication factors at the end of reactor operation for Design A.

Figure 4. Burnup distributions at the beginning of reactor operation for Design A.

Figure 5. Burnup distributions in the middle of reactor operation for Design A.

Figure 6. Burnup distributions at the end of reactor operation for Design A.

Figure 7. Power distribution at various fuel loading step.

Figure 8. Fissile isotope densities at the end of reactor operation for Design A.