Vibration Test and Shock Absorption of Coal Crusher Chambers in Thermal Power Plants (II): Numerical Analysis

Table 7

Calculated vibration-isolation efficiencies.

Spring vibration isolators	Reaction force (kN)
	Condition D1	Condition D2	Condition D3	Condition D4
1	0.121	0.042	0.003	0.013
2	0.121	0.039	0.003	0.014
3	0.120	0.036	0.003	0.015
4	0.095	0.032	0.004	0.017
5	0.118	0.029	0.005	0.018
6	0.117	0.025	0.006	0.019
7	0.043	0.053	0.013	0.017
8	0.042	0.049	0.012	0.016
9	0.041	0.046	0.011	0.015
10	0.040	0.043	0.010	0.013
11	0.039	0.039	0.009	0.012
12	0.039	0.036	0.008	0.011
13	0.026	0.055	0.015	0.022
14	0.070	0.057	0.017	0.026
15	0.043	0.060	0.020	0.032
16	0.065	0.063	0.023	0.038
17	0.089	0.038	0.010	0.015
18	0.024	0.040	0.012	0.020
19	0.047	0.043	0.015	0.026
20	0.069	0.046	0.018	0.032
Total of the reaction force	1.37	0.87	0.22	0.39
Disturbing force	9	9	2	2
Vibration-isolation efficiency	87.09%