HTTR main specifications

Thermal power (MWt) 30
Outlet gas temperature (C) 850/950
Inlet gas temperature (C) 395
Coolant flow in core Downward
Pressure vessel 2 1/4 Cr-1Mo
Primary coolant pressure (MPa) 4
Containment vessel Carbon steel
Core diameter (m) 2.3
Core height (m) 2.9
Enrichment 3-10%
Average enrichment 6%
Maximum fuel temperature (C) 1478
Plant life time (y) 20