Wartsila 46DF - Structure Borne Noise

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16.4 Structure borne noise

Fig 16-2 Typical structure borne noise levels

16-4 DBAD209883

Wärtsilä 46DF Product Guide16. Vibration and Noise

Main Page

Default Chapter5
- Table of Contents5
1 Main Data and Outputs9
- Maximum Continuous Output9
- Output Limitations in Gas Mode10
- Reference Conditions13
- Operation in Inclined Position13
- Dimensions and Weights14
2 Operating Ranges17
- Engine Operating Range17
- Loading Capacity18
- Operation at Low Load and Idling22
- Low Air Temperature24
3 Technical Data25
- Introduction25
- Wärtsilä 6L46DF25
- Wärtsilä 7L46DF29
- Wärtsilä 8L46DF33
- Wärtsilä 9L46DF37
- Wärtsilä 12V46DF41
- Wärtsilä 14V46DF45
- Wärtsilä 16V46DF49
4 Description of the Engine53
- Definitions53
- Main Components and Systems53
- Cross Section of the Engine58
- Overhaul Intervals and Expected Life Times60
- Engine Storage60
5 Piping Design, Treatment and Installation61
- Pipe Dimensions61
- Trace Heating62
- Pressure Class62
- Pipe Class63
- Insulation64
- Local Gauges64
- Cleaning Procedures64
- Flexible Pipe Connections66
- Clamping of Pipes68
6 Fuel System71
- Acceptable Fuel Characteristics71
- Operating Principles80
- Fuel Gas System81
- Fuel Oil System93
7 Lubricating Oil System119
- Lubricating Oil Requirements119
- Internal Lubricating Oil System121
- External Lubricating Oil System125
- Crankcase Ventilation System137
- Flushing Instructions139
8 Compressed Air System141
- Instrument Air Quality141
- Internal Compressed Air System141
- External Compressed Air System145
9 Cooling Water System149
- Water Quality149
- Internal Cooling Water System150
- External Cooling Water System155
10 Combustion Air System171
- Engine Room Ventilation171
- Combustion Air System Design172
11 Exhaust Gas System175
- Internal Exhaust Gas System175
- Exhaust Gas Outlet178
- External Exhaust Gas System179
12 Turbocharger Cleaning183
- Turbocharger Cleaning System184
13 Exhaust Emissions187
- Dual Fuel Engine Exhaust Components187
- Marine Exhaust Emissions Legislation187
- Methods to Reduce Exhaust Emissions187
14 Automation System189
- Technical Data and System Overview189
- Functions191
- Alarm and Monitoring Signals195
- Electrical Consumers195
- Guideline for Electrical and Automation System197
15 Foundation199
- Steel Structure Design199
- Engine Mounting199
16 Vibration and Noise207
- External Forces and Couples207
- Torque Variations209
- Mass Moments of Inertia209
- Structure Borne Noise210
- Air Borne Noise211
- Exhaust Noise212
17 Power Transmission215
- Flexible Coupling215
- Clutch215
- Shaft Locking Device215
- Input Data for Torsional Vibration Calculations216
18 Engine Room Layout219
- Crankshaft Distances219
- Space Requirements for Maintenance222
- Transportation and Storage of Spare Parts and Tools225
- Required Deck Area for Service Work225
19 Transport Dimensions and Weights231
- Lifting of Engines231
- Engine Components232
20 Product Guide Attachments235
21 Annex237
- Unit Conversion Tables237
- Collection of Drawing Symbols Used in Drawings238

Wartsila 46DF - Structure Borne Noise

Table of Contents

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