Countercurrent Flow Limitation at the Junction between the Surge Line and the Pressurizer of a PWR

Figure 6

Pressure difference Δ𝑃 between upper and lower tanks (𝐷=45 mm).

(a) 𝐽_𝐺=4.8 m/s (𝐾𝑢_𝐺^1/2=1.00)

(b) 𝐽_𝐺=7.3 m/s (𝐾𝑢_𝐺^1/2=1.23)