Applying UPC Scaling-Up Methodology to the LSTF-PKL Counterpart Test

Table 1

PKL and LSTF major features.

	LSTF	PKL
Reference plant	Westinghouse	KWU; (Siemens design)
Height	Full	Full
Volumetric scaling	1/48	1/145
Number of loops	2	4
Pressure vessel DC	Cylindrical	Double-pipe
U-tubes/SG	141	30
Pressure	Full	Up to 4.5 MPa
Core power	14% (10 MW)	10% (2.5 MW)
Number of electrical rods	1008	314
Axial profile	Chopped cosine	Flat
Radial profile	3-region	3-region
ECCS	Full	Full
Hot leg diameter (m)	0.207	0.128
Special measurement	Video probe, O2 gas sensor	Boron sensor
Number of instruments	About 1760	About 1070