|
|
|
เครื่องวัดกระแสน้ำ |
No |
16103 |
|
|
|
|
|
|
เครื่องวัดกระแสน้ำ |
by |
cable way |
lbs |
|
|
ยี่ห้อ |
A-OTT |
|
|
Model |
V "ARK" |
|
|
|
Test certificate by |
A-OTT |
|
|
1 |
Propeller |
No |
1 |
if
n |
< |
1.12 |
v = |
0.2405n |
+0.028 |
m/s |
|
|
|
|
|
|
|
dia |
125 mm |
|
if
n |
> |
1.12 |
v = |
0.2620n |
+0.004 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
|
|
2 |
Propeller |
No |
A |
if n |
< |
1.15 |
v = |
0.2410n |
+0.028 |
m/s |
|
|
|
|
|
|
|
dia |
125 mm |
|
if
n |
> |
1.15 |
v = |
0.2610n |
+0.005 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
เครื่องวัดกระแสน้ำ |
by |
rod |
|
|
|
|
ยี่ห้อ |
A-OTT |
|
|
Model |
V "ARK" |
|
|
|
Test certificate by |
A-OTT |
|
|
|
|
1 |
Propeller |
No |
1 |
if
n |
< |
1.13 |
v = |
0.2379n |
+0.030 |
m/s |
|
|
|
|
|
|
|
dia |
125 mm |
|
if
n |
> |
1.13 |
v = |
0.2610n |
+0.004 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
|
|
2 |
Propeller |
No |
A |
if n |
< |
1.02 |
v = |
0.2423n |
+0.023 |
m/s |
|
|
|
|
|
|
|
dia |
125 mm |
|
if
n |
> |
1.02 |
v = |
0.2600n |
+0.005 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|