Fig. 1. [in Chinese]

Fig. 2. [in Chinese]

Fig. 3. [in Chinese]

Fig. 4. [in Chinese]

Fig. 5. [in Chinese]

Fig. 6. [in Chinese]

Fig. 7. The cavitation characteristics of the two pump-jet propulsors（ = 0.696， = 13 s⁻¹， = 4.3）2种泵喷推进器的叶片空化特征（ = 0.696， = 13 s⁻¹， = 4.3）

Fig. 8. Frequency spectrum of axial vibration acceleration of the rotor（ = 13 s⁻¹, = 0.5， = 9.8 m/s²）泵喷推进器转子轴向振动加速度频谱特征（ = 13 s⁻¹， = 0.5， = 9.8 m/s²）

Fig. 9. Frequency spectrum of radial vibration acceleration of the rotor ( = 13 s⁻¹, = 0.5， = 9.8 m/s²)泵喷推进器转子横向振动加速度频谱特征（ = 13 s⁻¹， = 0.5， = 9.8 m/s²）

Fig. 10. Frequency spectrum of axial vibration acceleration of the rotor under cavitation condition ( = 13 s⁻¹， = 1.18， = 4.3)空化状态下泵喷推进器转子轴向振动加速度频谱特征（ = 13 s⁻¹， = 1.18， = 4.3）

Fig. 11. Frequency spectrum of radial vibration acceleration of the rotor under cavitation condition ( = 13 s⁻¹， = 1.18， = 4.3)空化状态下泵喷推进器转子横向振动加速度频谱特征（ = 13 s⁻¹， = 1.18， = 4.3）