An Overview of Westinghouse Realistic Large Break LOCA Evaluation Model

Table 2

Sample results of various BELOCA analyses. (Comparison between the 1996 EM and 2004 ASTRUM EM)

Representative plant analysis	1996 EM CQD	2004 EM ASTRUM
2-loop with UPI	PCT = 2087^°F LMO < 17% CWO < 1%	PCT = 1870^°F LMO = 3.4% CWO ≪ 0.3% (18% Power Uprate)
3-loop	PCT = 2050^°F LMO = 12% CWO = 0.8%	PCT = 1836^°F LMO = 2.9% CWO = 0.03%
4-loop	PCT = 2125^°F LMO = 13% CWO = 0.9%	PCT = 1967^°F LMO = 2.4% CWO ≪ 0.4%