Review Article

Overview and Discussion of the OECD/NRC Benchmark Based on NUPEC PWR Subchannel and Bundle Tests

Table 12

Time required to perform void fraction measurements.

ItemCT measurementChordal measurement

Steady state
 Time needed5 s/step ×  T33 ×  R17 step
(it takes 2 h)
100 s
sampling cycle 0.1 s
 Measurement2 times3 times

Transient
 Time needed200 s
 Measurement1 time