Review Article

Steam Condensation Heat Transfer in the Presence of Noncondensable Gases (NCGs) in Nuclear Power Plants (NPPs): A Comprehensive Review of Fundamentals, Current Status, and Prospects for Future Research

Table 6

Empirical correlations for HTC during cocurrent flow condensation inside a tube in the presence of NCG (forced convection in the secondary loop).

AuthorsEmpirical correlations

Kuhn [124]For air:




For helium:





Vierow and Schrock [57]
where



Park and No [126]
For:
,

Lee and Kim [59]




Siddique [127]For Air:




For helium:

,

Araki et al. [128]
Where:

Then,

Hasanein et al. [129]For air:

For helium:

For mixture of air and helium:

Maheshwari [130]
For
, ,