Table I.
Reading edition
APRFR Core Design Data
Core Diameter 8.90 inches
Core Height[1] 8.0 inches
Fuel Alloy 90 wt % uranium -
10 wt % molybdenum
Uranium-235 Enrichment 93.14%
Total Fuel Mass[2] 125
Safety Block Mass 15.7 kg
Safety Block Height 8.06 inches
Safety Block Diameter 4.00 inches
Glory Hole Diameter 1.50 inches
Number of Control Rods Three
Core Cooling Forced Air
Number of Core Bolts Nine
Safety Block Reactivity Worth ~$20
Pulse Rod Reactivity Worth ~$1.15
Core Environment During Pulse Dry Nitrogen
Core Cooling Forced Air