เครื่องวัดกระแสน้ำ | No | 8722 | ||||||||
เครื่องวัดกระแสน้ำ | By | Cable way | ||||||||
ยี่ห้อ | A-OTT | |||||||||
Model | ARKANSAS | |||||||||
Test certificate by | A-OTT | year1966 | ||||||||
1 | Propeller | No | 1 | if n | < | 0.60 | v = | 0.2445n | +0.014 | m/s |
12.5 cm | ||||||||||
n | > | 0.60 | v = | 0.2562n | +0.007 | m/s | ||||
2 | Propeller | No | 2 | if n | < | 0.32 | v = | 0.4691n | +0.022 | m/s |
12.5 cm | ||||||||||
n | > | 0.32 | v = | 0.5069n | +0.010 | m/s | ||||
n | < | 1.26 | v = | 0.5069n | +0.010 | m/s | ||||
if n | > | 1.26 | v = | 0.5180n | -0.004 | m/s | ||||