Study on Vibration of Marine Diesel-Electric Hybrid Propulsion System

Table 2

Equivalent parameters of torsional vibration.

Number	Inertia (kgm^2)	Stiffness (MNm/rad)	Identified
1	0.101	-
2	0.0002	1.1
3	0.123	1.1	Cylinder 1
4	0.123	1.1	Cylinder 2
5	0.123	1.1	Cylinder 3
6	0.123	1.734	Cylinder 4
7	1.1134	-	Flywheel
8	0.1954	0.0141	Coupling
9	0.1247	-
10	0.0062	0.6793
11	0.0398	-	Clutch
12	0.0032	2.6209	Clutch
13	0.0448	-	Gear
14	0.0462	2.5755	Gear
15	0.0463	-	Gear
16	0.0492	-	Gear
17	0.0448	2.6209	Gear
18	0.005	-	Clutch
19	0.0451	0.5898	Clutch
20	0.0088	-
21	0.02	0.0336	Shafting
22	0.02	-	Dynamometer
23	0.11	-	Gear
24	0.0492	-	Gear
25	0.0463	-	Gear
26	0.0462	2.5755	Gear
27	0.0448	-	Clutch
28	0.0032	2.6209	Clutch
29	0.0398	-
30	0.0062	0.6793	Coupling
31	0.1247	-
32	0.1954	0.0141	Flywheel
33	1.1134	-	Cylinder 3
34	0.123	1.734	Cylinder 2
35	0.123	1.1	Cylinder 1
36	0.123	1.1
37	0.0002	1.1	Gear
38	0.0448	-	Clutch
39	0.002	2.6209	Clutch
40	0.0408	-
41	0.0164	0.5536	Motor