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These experimental designs (all of which shared the BWR-1 classification despite their divergent designs) used fuel rod bundles in 6×6, 7×7, 8×8, 9×9, 11×11, and 12×12 configurations, but GE's 9×9 bundle later used in BWR/2–6 reactors is different from the one used in the BWR/1 era. [2]
A typical PWR has fuel assemblies of 200 to 300 rods each, and a large reactor would have about 150–250 such assemblies with 80–100 tons of uranium in all. Generally, the fuel bundles consist of fuel rods bundled 14 × 14 to 17 × 17. A PWR produces on the order of 900 to 1,600 MW e. PWR fuel bundles are about 4 meters in length. [21]
There are about 179–264 fuel rods per fuel bundle and about 121 to 193 fuel bundles are loaded into a reactor core. Generally, the fuel bundles consist of fuel rods bundled 14×14 to 17×17. PWR fuel bundles are about 4 m (13 ft) long. In PWR fuel bundles, control rods are inserted through
Electric Power: 1,700 MWe [3] Core Thermal Power: 4,451 MWt Reactor Fuel Assemblies: 257 Reactor Fuel: Advanced 17x17, 14 ft. Active Core Length: 4.2 meters Coolant System Loops: 4 Coolant Flow: 7.64 m 3 /s/loop Coolant Pressure: 15.5 MPa Steam Generator Type: 90TT-1 Number of Steam Generators: 4 Reactor Coolant Pump Type: 100A Number of ...
In boiling water reactors, the fuel is similar to PWR fuel except that the bundles are "canned"; that is, there is a thin tube surrounding each bundle. This is primarily done to prevent local density variations from affecting neutronics and thermal hydraulics of the nuclear core on a global scale. In modern BWR fuel bundles, there are either 91 ...
Average fuel power density 9.24 KW/KgU 235 MW/m 3: Average core power density, MW/m 3: 10.13 12.1 Fuel Sintered Natural UO 2 pellets Cladding tube material Zircaloy-2 Zircaloy-4 Fuel assemblies 3672 5096 4704 fuel bundles in 392 channels Number of fuel rods in assembly 19 elements in 3 rings 37 37 elements in 4 rings Enrichment of reload fuel 0 ...
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Average fuel power density 9.24 KW/KgU - 235 MW/m 3: Average core power density, MW/m 3: 10.13 - 12.1 Fuel Sintered Natural UO 2 pellets Cladding tube material Zircaloy-2 Zircaloy-4 Fuel assemblies 3672 5096 4704 fuel bundles in 392 channels Number of fuel rods in assembly 19 elements in 3 rings 37 37 elements in 4 rings Enrichment of reload ...