Transient Study on the HTR-PM with TINTE-vPower Coupling Code Package

Table 1

Main design parameters of the HTR-PM [2].

Parameter	Value
Reactor total thermal power (MWt)	2 × 250
Rated electrical power (MWe)	210
Average core power density (MW/m^3)	3.22
Net electrical efficiency (%)	42
Primary helium pressure (MPa)	7
He temperature at reactor inlet/outlet (°C)	250/750
Primary helium flow rate (kg/s)	96
Core main flow rate (kg/s)	≥86.4
Heavy metal loading per fuel element (g)	7
Enrichment of fresh fuel element (for the equilibrium core) (%)	8.5
Active core diameter (m)	3
Equivalent active core height (m)	11
Diameter of the RPV (m)	∼6.0
Number of fuel elements in one module	420,000
Number of fuel passages through the core	15
Average burnup (GWd/tU)	90
Main steam pressure (MPa)	13.9
Main steam temperature (°C)	571
Main feedwater temperature (°C)	205