Man B&W S50MC-C8-TII - Vibration Limits Valid for Single Order Harmonics; Vibration Limits

MAN B&W 17.05
Page 2 of 3
MAN Diesel
MAN B&W MC/MCC, ME/MEC/MEGI/ME-B engines 198 42 233.4
ΙΙΙ
ΙΙ
Ι
5x10
1
mm/s
1 mm/s
10 mm/s
10
2
mm/s
5x10
2
mm/s
60 100 1.000 6.000 c/min
10
3
mm
10
2
mm
10
1
mm
10
5
mm/s
2
10
4
mm/s
2
10
3
mm/s
2
Displacement
Acceleration
10 mm/s
2
10
2
mm/s
2
1 mm
10 mm
Velocity
±2mm
±50mm/s
±10m/s
2
±1mm
±25mm/s
1 Hz 10 Hz 100 Hz
Frequency
Zone Ι: Acceptable
Zone ΙΙ: Vibration will not damage the main engine, however,
under adverse conditions, annoying/harmful vibration
responses may appear in the connected structures
Zone ΙΙΙ: Not acceptable
078 81 27-6.1
Fig.17.05.02: Vibration limits
Vibration Limits Valid for Single Order Harmonics