图8. 原始水翼与射流水翼的空泡体积对比($\sigma =0.829$, $\alpha =8^\circ$, $Re=5.07\times 10^{5}$)
Fig.8. Comparison of vapor volume of original hydrofoil and hydrofoil with jet $\sigma =0.829$, $\alpha =8^\circ$ and $Re=5.07\times 10^{5}$