เครื่องวัดกระแสน้ำ | No | 12668 | ||||||||
เครื่องวัดกระแสน้ำ | By | Cable way | lbs | |||||||
ยี่ห้อ | A-OTT | |||||||||
Model | V "ARK" | |||||||||
Test certificate by | A-OTT | year1966 | ||||||||
1 | Propeller | No | R | if n | < | 0.70 | v = | 0.2255n | +0.027 | m/s |
dia | 100 mm | if n | > | 0.70 | v = | 0.2470n | +0.012 | m/s | ||
< | 4.00 | v = | 0.2470n | +0.012 | m/s | |||||
if n | > | 4.00 | v = | 0.2500n | ||||||