|
|
|
เครื่องวัดกระแสน้ำ |
No |
78688 |
|
|
|
|
|
เครื่องวัดกระแสน้ำ |
By |
Cable way |
lbs |
|
|
|
|
ยี่ห้อ |
|
A-OTT |
|
|
Model |
|
C 31 "10.001" |
|
|
|
Test certificate by |
A-OTT |
|
|
|
|
|
|
|
|
|
1 |
Propeller |
No |
1 |
if
n |
< |
0.58 |
v = |
0.2375n |
+0.018 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
if
n |
> |
0.58 |
v = |
0.2600n |
+0.005 |
m/s |
|
|
|
< |
0.58 |
v = |
0.2600n |
+0.005 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
if
n |
< |
0.71 |
v = |
0.2425n |
+0.017 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
if
n |
< |
0.71 |
v = |
0.2580n |
+0.006 |
m/s |
|
|
|
> |
0.71 |
v = |
0.2580n |
+0.006 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
2 |
Propeller |
No |
2 |
if
n |
< |
0.31 |
v = |
0.4646n |
+0.018 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
if
n |
> |
0.31 |
v = |
0.5160n |
+0.002 |
m/s |
|
|
|
< |
0.31 |
v = |
0.5160n |
+0.002 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
|
if
n |
< |
0.31 |
v = |
0.4650n |
+0.018 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
if
n |
> |
0.31 |
v = |
0.5100n |
+0.004 |
m/s |
|
|
|
< |
0.31 |
v = |
0.5100n |
+0.004 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
|
|
เครื่องวัดกระแสน้ำ |
No |
78688 |
|
|
เครื่องวัดกระแสน้ำ |
By |
rod |
|
|
|
|
|
ยี่ห้อ |
|
A-OTT |
|
|
Model |
|
C 31 "10.001" |
|
|
|
Test certificate by |
A-OTT |
|
|
|
|
|
|
|
|
|
1 |
Propeller |
No |
1 |
if
n |
< |
0.63 |
v = |
0.2473n |
+0.014 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
if
n |
> |
0.63 |
v = |
0.2600n |
+0.006 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
2 |
Propeller |
No |
2 |
if
n |
< |
0.32 |
v = |
0.4503n |
+0.023 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
if
n |
> |
0.32 |
v = |
0.5160n |
+0.002 |
m/s |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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