RESISTANCE TO SHEAR
- Parent Category: Technical Articles
- In: Ship construction and Naval Architecture
- 23Nov2009
- Last Updated on Tuesday, 13 September 2011 17:16
- Published Date
- By sivasankar
- Hits: 485
Resistance to shear or Flow
The viscosity of a fluid is its resistance to shear or flow, and is a measure of the fluids adhesive/cohesive or frictional properties. This arises because of the internal molecular friction within the fluid producing the frictional drag effect. There are two related measures of fluid viscosity which are known as dynamic and kinematic viscosity.
Dynamic viscosity is also termed "absolute viscosity" and is the tangential force per unit area required to move one horizontal plane with respect to the other at unit velocity when maintained a unit distance apart by the fluid.
|
Centipoise (CPS) Millipascal (mPas) |
Poise |
Centistokes |
Stokes |
Saybolt Seconds Universal |
|
1 |
0.01 |
1 |
0.01 |
31 |
|
2 |
0.02 |
2 |
0.02 |
34 |
|
4 |
0.04 |
4 |
0.04 |
38 |
|
7 |
0.07 |
7 |
0.07 |
47 |
|
10 |
0.1 |
10 |
0.1 |
60 |
|
15 |
0.15 |
15 |
0.15 |
80 |
|
20 |
0.2 |
20 |
0.2 |
100 |
|
25 |
0.24 |
25 |
0.24 |
130 |
|
30 |
0.3 |
30 |
0.3 |
160 |
|
40 |
0.4 |
40 |
0.4 |
210 |
|
50 |
0.5 |
50 |
0.5 |
260 |
|
60 |
0.6 |
60 |
0.6 |
320 |
|
70 |
0.7 |
70 |
0.7 |
370 |
|
80 |
0.8 |
80 |
0.8 |
430 |
|
90 |
0.9 |
90 |
0.9 |
480 |
|
100 |
1 |
100 |
1 |
530 |
|
120 |
1.2 |
120 |
1.2 |
580 |
|
140 |
1.4 |
140 |
1.4 |
690 |
|
160 |
1.6 |
160 |
1.6 |
790 |
|
180 |
1.8 |
180 |
1.8 |
900 |
|
200 |
2 |
200 |
2 |
1000 |
|
220 |
2.2 |
220 |
2.2 |
1100 |
|
240 |
2.4 |
240 |
2.4 |
1200 |
|
260 |
2.6 |
260 |
2.6 |
1280 |
|
280 |
2.8 |
280 |
2.8 |
1380 |
|
300 |
3 |
300 |
3 |
1475 |
|
320 |
3.2 |
320 |
3.2 |
1530 |
|
340 |
3.4 |
340 |
3.4 |
1630 |
|
360 |
3.6 |
360 |
3.6 |
1730 |
|
380 |
3.8 |
380 |
3.8 |
1850 |
|
400 |
4 |
400 |
4 |
1950 |
|
420 |
4.2 |
420 |
4.2 |
2050 |
|
440 |
4.4 |
440 |
4.4 |
2160 |
|
460 |
4.6 |
460 |
4.6 |
2270 |
|
480 |
4.8 |
480 |
4.8 |
2380 |
|
500 |
5 |
500 |
5 |
2480 |
|
550 |
5.5 |
550 |
5.5 |
2660 |
|
600 |
6 |
600 |
6 |
2900 |
|
700 |
7 |
700 |
7 |
3380 |
|
800 |
8 |
800 |
8 |
3880 |
|
900 |
9 |
900 |
9 |
4300 |
|
1000 |
10 |
1000 |
10 |
4600 |
|
1100 |
11 |
1100 |
11 |
5200 |
|
1200 |
12 |
1200 |
12 |
5620 |
|
1300 |
13 |
1300 |
13 |
6100 |
|
1400 |
14 |
1400 |
14 |
6480 |
|
1500 |
15 |
1500 |
15 |
7000 |
|
1600 |
16 |
1600 |
16 |
7500 |
|
1700 |
17 |
1700 |
17 |
8000 |
|
1800 |
18 |
1800 |
18 |
8500 |
|
1900 |
19 |
1900 |
19 |
9000 |
|
2000 |
20 |
2000 |
20 |
9400 |
|
2100 |
21 |
2100 |
21 |
9850 |
|
2200 |
22 |
2200 |
22 |
10300 |
|
2300 |
23 |
2300 |
23 |
10750 |
|
2400 |
24 |
2400 |
24 |
11200 |
|
2500 |
25 |
2500 |
25 |
11600 |
|
3000 |
30 |
3000 |
30 |
14500 |
|
3500 |
35 |
3500 |
35 |
16500 |
|
4000 |
40 |
4000 |
40 |
18500 |
|
4500 |
45 |
4500 |
45 |
21000 |
|
5000 |
50 |
5000 |
50 |
23500 |
|
5500 |
55 |
5500 |
55 |
26000 |
|
6000 |
60 |
6000 |
60 |
28000 |
|
6500 |
65 |
6500 |
65 |
30000 |
|
7000 |
70 |
7000 |
70 |
32500 |
|
7500 |
75 |
7500 |
75 |
35000 |
|
8000 |
80 |
8000 |
80 |
37000 |
|
8500 |
85 |
8500 |
85 |
39500 |
|
9000 |
90 |
9000 |
90 |
41080 |
|
9500 |
95 |
9500 |
95 |
43000 |
|
15000 |
150 |
15000 |
150 |
69400 |
|
20000 |
200 |
20000 |
200 |
92500 |
|
30000 |
300 |
30000 |
300 |
138500 |
|
40000 |
400 |
40000 |
400 |
185000 |
|
50000 |
500 |
50000 |
500 |
231000 |
|
60000 |
600 |
60000 |
600 |
277500 |
|
70000 |
700 |
70000 |
700 |
323500 |
|
80000 |
800 |
80000 |
800 |
370000 |
|
90000 |
900 |
90000 |
900 |
415500 |
|
100000 |
1000 |
100000 |
1000 |
462000 |
|
125000 |
1250 |
125000 |
1250 |
578000 |
|
150000 |
1500 |
150000 |
1500 |
694000 |
|
175000 |
1750 |
175000 |
1750 |
810000 |
|
200000 |
2000 |
200000 |
2000 |
925000 |
Note! The viscosities are based on materials with a specific gravity of one (1).
