Validation of the Subchannel Code SUBCHANFLOW Using the NUPEC PWR Tests (PSBT)

Table 2

Closure correlations.

Physical phenomenon	Correlation	Reference
Single-phase friction	Blasius	[5, 6]
Two-phase friction	Armand	[5, 7]
Single-phase heat transfer	Dittus-Boelter	[8]
Boiling heat transfer	COBRA-IV-I boiling curve	[9]
Subcooled boiling	Bowring	[10, 11]
Steam slip	Chexal-Lellouche	[12]