Research Article

Input Calibration and Validation of RELAP5 Against CIRCUS-IV Single Channel Tests on Natural Circulation Two-Phase Flow Instability

Table 1

Test conditions and regimes.

Test numberPressure
(bar)
Power
(kW)
Inlet temp.
(°C)
Test regime

S-112.589.0Single-phase steady state
I-112.592.8Two-phase instability
I-212.599.8Two-phase instability