Page 122 - Neutrons for Sciences and Society

Neutrons for Science
Fuel Assembly (annular shape with curved plates)
Active Zone
Internal radius
14.0 cm
External radius
19.5 cm
Height
80.0 cm
Thermal exchange surface
30.17 m2
Volume
46.3 dm3
Fuel Assembly (annular shape with curved plates)
Plates
Total thickness
1.27 mm
Cladding
0.38 mm
Thickness of uranium 235U
0.51 mm
Width of cooling channel
1.8 mm
Number of plates
280
Uranium
enrichment 235U
93 %
Total mass 235U
8.57 kg
Consumable poison(10B) at the plate-ends
14.8 %
Fraction consumed
36 %
Cooling
Power
57 MW
Power density Maximum
3.3 MW/dm3
Power density Average
1.15 MW/dm3
Heat flow Maximum
500 W/cm2
Heat flow Average
174 W/cm2
Flow rate of coolant within the fuel rod during operations
2158 m3/h
Flow rate of coolant within the fuel rod while shutdown
150 m3/h
In the control rod during operation
75 m3/h
In the control rod while shutdown
60 m3/h
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