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

Table 3

Geometry and power shape for subchannel test assemblies for void distribution benchmark.

Item	Data
Assembly (subjected subchannel)
Subchannel type	Center (typical)	Center (thimble)	Side	Corner
Number of heaters	4 × 1/4	3 × 1/4	2 × 1/4	1 × 1/4
Axial heated length (mm)	1555	1555	1555	1555
Axial power shape	Uniform	Uniform	Uniform	Uniform

Black part: subjected subchannel, white circles: heated rod, and circles with dots: thimble rod.