Research Article
Numerical Simulation of Size Effects on Countercurrent Flow Limitation in PWR Hot Leg Models
Table 2
Test section dimensions and experimental and simulation conditions.
| Reference | D (m) | /D (−) | /D (−) | θ (deg) | Fluids | Pressure (MPa) |
| Experiments | | | | | | | Ohnuki et al. [7] | 0.0254 | 9.06 | 1.18 | 50 | Air-water | 0.1 | Simulations | | | | | | | Present study | 0.0254 | 8.40 | 1.20 | 50 | Air-water | 0.1 | Minami et al. [5] | 0.05 | 8.40 | 1.20 | 50 | Air-water | 0.1 | Kinoshita et al. [6] | 0.75 | 8.40 | 1.20 | 50 | Air-water and steam-water | 0.1 |
|
|
D: diameter, : length of horizontal pipe, : length of inclined pipe, θ: angle of elbow.
|