표 1. | Table 1. 실험 조건 및 시각적으로 관찰된 캐비테이션 | Test condition and visually obeserved cavitation
Test Cond
Cavitation number,
σ
n
Water speed, (m/s)
Propeller RPM / RPS
Tunnel pressure (bar)
Visually observed
1
7.75
4
1390 / 23.2
1.20
No cavity
2
4.78
0.75
No cavity (a)
3
4.12
0.65
Int. (b)
4
3.46
0.55
Developed (c)