Numerical Modeling of Unsteady Cavitating Flows around a Stationary Hydrofoil

Figure 5

Comparison of the vapor fraction contours and velocity vectors for different 𝑛 values with the Merkle model at 𝜎=1.49, Re = 750,000, 𝑉_∞=5 m/s, and 𝛼=6^∘.

(a) 𝑛=1, steady cavitation  

(b) 𝑛=3, quasisteady cavitation

(c) 𝑛=10, unsteady cavitation, 𝑡₁

(d) 𝑛=10, unsteady cavitation, 𝑡₁+0.03 s