Analysis of Void Fraction Distribution and Departure from Nucleate Boiling in Single Subchannel and Bundle Geometries Using Subchannel, System, and Computational Fluid Dynamics Codes

Table 1

Geometry and power shape for single-channel tests [2].

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

■: subjected subchannel, white circle: heated rod, gray circle: thimble rod.