|
|
|
เครื่องวัดกระแสน้ำ |
No |
16096 |
|
|
|
|
|
|
เครื่องวัดกระแสน้ำ |
by |
cable way |
lbs |
|
|
ยี่ห้อ |
A-OTT |
|
|
Model |
V" ARKANSAS" |
|
|
|
Test certificate by |
A-OTT |
|
|
1 |
Propeller |
No |
1 |
if
n |
< |
1.22 |
v = |
0.2433n |
+0.022 |
m/s |
|
|
|
|
|
|
|
dia |
125 mm |
|
if
n |
> |
1.22 |
v = |
0.2580n |
+0.004 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
|
|
2 |
Propeller |
No |
A |
if n |
< |
1.15 |
v = |
0.1198n |
+0.034 |
m/s |
|
|
|
|
|
|
|
dia |
100 mm |
|
if
n |
> |
1.15 |
v = |
0.1285n |
+0.024 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
เครื่องวัดกระแสน้ำ |
by |
rod |
|
|
|
|
ยี่ห้อ |
A-OTT |
|
|
Model |
V" ARKANSAS" |
|
|
|
Test certificate by |
A-OTT |
|
|
|
|
1 |
Propeller |
No |
1 |
if
n |
< |
1.27 |
v = |
0.2470n |
+0.024 |
m/s |
|
|
|
|
|
|
|
dia |
125 mm |
|
if
n |
> |
1.27 |
v = |
0.2620n |
+0.005 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
|
|
2 |
Propeller |
No |
A |
if n |
< |
0.88 |
v = |
0.1175n |
+0.035 |
m/s |
|
|
|
|
|
|
|
dia |
100 mm |
|
if
n |
> |
0.88 |
v = |
0.1300n |
+0.024 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|