Research Article

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

Table 2

Frictional pressure drop correlations in H-OTSG.

CorrelationsExperimental parameters

Single-phase region [10]: 
 When  
2.5 < < 4.5 MPa 
200 < < 1500 kg/(m2·s) 
, 
, 
 When
, 
, 
 When
, 

Two-phase region [10]:
2.5 < < 4.5 MPa 
200 < < 1500 kg/(m2·s)
, 
,
 where , , ,