Analysis of Density Wave Oscillations in Helically Coiled Tube Once-Through Steam Generator

Table 4

Comparisons between STFQH and corrected RELAP5 results concerning threshold inlet throttling pressure drops.

Power (FP)	Correction coefficient	RELAP5 original pressure drop (kPa)	RELAP5 corrected pressure drop (kPa)	STFQH pressure drop (kPa)
25%	1.60	24	38.4	47
50%	1.47	38	55.9	70
75%	1.39	89	123.7	106
100%	1.25	53	66.3	83