Science and Technology of Nuclear Installations / 2017 / Article / Tab 1

Research Article

Physical Analysis of the Initial Core and Running-In Phase for Pebble-Bed Reactor HTR-PM

Table 1

Main design parameters of HTR-PM.

ParametersUnitsValues

Reactor total thermal power2 × 250
Active core diameterm3
Equivalent active core heightm11
Primary helium pressureMPa7
Helium temperature at reactor inlet/outlet°C250/750
Uranium loading per fuel sphereg7
Enrichment of fresh fuel spheres%8.5
Diameter of fuel spherescm6
Number of fuel spheres in one reactor core420,000
Average discharge burnupGWd/tU90