Wartsila ?31DF Series User Manual

Table 16-2 External couples
M
Z
[kNm]
M
Y
[kNm]
Freq.
[Hz]
M
Z
[kNm]
M
Y
[kNm]
Freq.
[Hz]
M
Z
[kNm]
M
Y
[kNm]
Freq.
[Hz]
Speed
[RPM]
Engine
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
720
750
8V31DF
0.2
0.2
---
---
48
50
---
---
---
---
24
25
38
41
38
41
12
12.5
720
750
10V31DF
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
720
750
12V31DF
3
4
1
1
48
50
20
21
35
38
24
25
22
24
22
24
12
12.5
720
750
14V31DF
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
720
750
16V31DF
--- couples and forces = zero or insignificant.
Table 16-3 Torque variations
M
x
[kNm]
Freq.
[Hz]
M
x
[kNm]
Freq.
[Hz]
M
x
[kNm]
Freq.
[Hz]
M
x
[kNm]
Freq.
[Hz]
Speed
[RPM]
Engine
--
--
--
--
23
23
72
75
11
11
48
50
16
15
24
25
720
750
8V31DF
17
17
90
94
31
32
60
63
71
71
30
31
25
27
24
25
720
750
10V31DF
1
1
144
150
5
5
108
112.5
34
34
72
75
18
16
36
37.5
720
750
12V31DF
1
1
168
175
1
1
126
131
27
27
84
88
7
7
42
44
720
750
14V31DF
1
1
192
200
1
1
144
150
17
17
96
100
22
22
48
50
720
750
16V31DF
--- couples and forces = zero or insignificant.
Table 16-4 Torque variations (at 0% load)
M
x
[kNm]
Freq.
[Hz]
M
x
[kNm]
Freq.
[Hz]
M
x
[kNm]
Freq.
[Hz]
M
x
[kNm]
Freq.
[Hz]
Speed
[RPM]
Engine
2
2
96
96
6
6
72
75
2
2
48
50
74
82
24
25
720
750
8V31DF
3
3
90
94
6
6
60
63
12
12
30
31
25
27
24
25
720
750
10V31DF
---
---
144
150
1
1
108
112.5
6
6
72
75
17
19
36
37.5
720
750
12V31DF
---
---
168
175
---
---
126
131
5
5
84
88
1
1
42
44
720
750
14V31DF
---
---
192
200
---
---
144
150
4
4
96
100
3
3
48
50
720
750
16V31DF
--- couples and forces = zero or insignificant.
DBAE248994 16-3
16. Vibration and NoiseWärtsilä 31DF Product Guide

Wartsila ?31DF Series Specifications

General

Brand	Wartsila
Model	?31DF Series
Category	Engine
Language	English