Man B&W S50MC-C8-TII - Scavenge Air

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MAN B&W

MAN Diesel

Scavenge Air

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Data Updates1
Extent of Delivery1
Electronic Versions1
Table of Contents3
Index11
Calculation of Capacities11
Engine Layout and Load Diagrams12
List of Capacities and Cooling Water Systems14
Propeller Diameter and Pitch, Influence on Optimum Propeller Speed15
The MC/MC-C Tier II Engine16
Engine Design19
The MC/MC-C Tier II Engine21
Concept of the MC/MC-C Engine21
Engine Design and IMO Regulation Compliance21
Engine Type Designation23
Power, Speed and Lubricating Oil24
Fuel and Lubricating Oil Consumption24
Specific Fuel Oil Consumption (SFOC)25
Lubricating Oil Data25
Engine Power Range and Fuel Oil Consumption25
Performance Curves26
MC Engine Description27
Bedplate and Main Bearing27
Frame Box27
Cylinder Frame and Stuffing Box27
Cylinder Liner28
Cylinder Cover28
Crankshaft28
Thrust Bearing28
Tuning Wheel/Torsional Vibration Damper29
Connecting Rod29
Piston29
Piston Rod29
Auxiliary Blower30
Exhaust Gas System30
Exhaust Turbocharger30
Camshaft and Cams30
Governor31
Fuel Oil Pump and Fuel Oil High Pressure Pipes31
Fuel Valves and Starting Air Valve31
Starting Air System31
Exhaust Valve32
Cylinder Lubrication32
Manoeuvring System32
Reversing32
Piping Arrangements33
Engine Cross Section of S50MC-C834
Engine Layout and Load Diagrams, SFOC35
Engine Layout and Load Diagrams37
Propulsion and Engine Running Points37
Propeller Curve37
Propeller Design Point37
Fouled Hull38
Sea Margin and Heavy Weather38
Engine Layout (Heavy Propeller)38
Engine Margin38
Propeller Diameter and Pitch, Influence on Optimum Propeller Speed39
Influence of Diameter and Pitch on Propeller Design39
Constant Ship Speed Lines40
Layout Diagram and Constant Ship Speed Lines40
Layout Diagram Sizes41
Engine Layout Diagram42
Specified Maximum Continuous Rating (M)42
Continuous Service Rating (S)42
Optimising Point (O)42
Engine Load Diagram43
Operating Curves and Limits for Continuous Operation43
Standard Engine Load Diagram43
Limits for Overload Operation44
Recommendation44
Examples of the Use of the Load Diagram46
Normal Running Conditions47
Layout Diagram47
Load Diagram47
Special Running Conditions48
Layout Diagram Without Shaft Generator51
Diagram for Actual Project53
Specific Fuel Oil Consumption, ME Versus MC Engines54
SFOC for High Efficiency Turbochargers55
SFOC at Reference Conditions56
SFOC Guarantee56
Examples of Graphic Calculation of SFOC57
SFOC Calculations for S50MC-C858
SFOC for S50MC-C8 with Fixed Pitch Propeller59
SFOC for S50MC-C8 with Constant Speed59
SFOC Calculations, Example60
Fuel Consumption at an Arbitrary Load62
Emission Control63
Emission Limits63
Reduction Methods63
Turbocharger Selection & Exhaust Gas By-Pass65
Turbocharger Selection67
High Efficiency Turbochargers67
Exhaust Gas Bypass68
Extreme Ambient Conditions68
Arctic Running Condition68
Emergency Running Condition68
Nox Reduction by SCR70
Layout of SCR System71
Electricity Production73
Electricity Production75
Power Take off75
Designation of PTO77
Pto/Rcf78
Extent of Delivery for BWIII/RCF Units79
Additional Capacities Required for BWIII/RCF80
Kw Generator81
Engine Preparations for PTO82
DMG/CFE Generators85
Standard Engine, with Direct Mounted Generator and Tuning Wheel86
Diagram of DMG/CFE with Static Converter86
Static Converter87
Extent of Delivery for DMG/CFE Units87
SMG/CFE Generators87
PTO Type: BW II/GCR88
Power Take Off/Gear Constant Ratio88
Tunnel Gear with Hollow Flexible Coupling89
Generic Outline of BW IV/GCR, Tunnel Gear89
Auxiliary Propulsion System/Take Home System90
Waste Heat Recovery Systems (WHR)91
L16/24 Genset Data92
L21/31 Genset Data95
L21/31 Genset Data96
L23/30H Genset Data98
L27/38 Genset Data101
L28/32H Genset Data104
Installation Aspects107
Space Requirements and Overhaul Heights109
Space Requirements for the Engine109
Overhaul of Engine109
Space Requirement110
Crane Beam for Overhaul of Turbocharger114
Required Height and Distance114
Required Height and Distance and Weight114
Crane Beam for Turbochargers115
Crane Beam for Overhaul of Air Cooler116
Engine Room Crane116
Engine Room Crane118
Overhaul with man B&W Double/Jib Crane119
MAN B&W Double/Jib Crane120
Engine Masses and Centre of Gravity121
Gallery Outline121
Engine Outline, Galleries and Pipe Connections121
Engine and Gallery Outline122
Upper Platform129
Lower Platform129
Centre of Gravity130
Mass of Water and Oil131
Water and Oil in Engine131
Engine Pipe Connections132
Counterflanges133
Counterflanges138
Counterflanges, Connection D140
MAN Diesel Type TCA/TCR140
ABB Type TPL/A100141
MHI Type MET142
Counterflanges, Connection E143
MAN Diesel Type TCA143
ABB Type TPL144
Engine Seating and Holding down Bolts147
Engine Seating and Arrangement of Holding down Bolts147
Epoxy Chocks Arrangement148
Engine Seating Profile149
Profile of Engine Seating for Engines with Horizontal Oil Outlets150
Profile of Engine Seating, End Chocks, Option: 4 82 620151
Profile of Engine Seating, End Chocks, Option: 4 82 610151
Engine Top Bracing152
Mechanical Top Bracing152
Hydraulic Top Bracing153
Mechanical Top Bracing Stiffener153
Hydraulic Top Bracing Arrangement156
Components for Engine Control System158
Shaftline Earthing Device159
Scope and Field of Application159
Design Description159
Shaftline Earthing Device Installations160
Connection of Cables for the Shaftline Earthing Device160
MAN Diesel’s Alpha Controllable Pitch Propeller162
VBS Type CP Propeller Designation and Range162
Data Sheet for Propeller163
Dimension Sketch for Propeller Design Purposes163
Main Dimensions164
Propeller Clearance164
Servo Oil System for VBS Type CP Propeller165
Hydraulic Power Unit for Alpha CP Propeller166
Alphatronic 2000 Propulsion Control System167
MAN Diesel’s Alphatronic 2000 Propulsion Control System167
Propulsion Control Station on the Main Bridge168
Main Bridge Station Standard Layout168
List of Capacities: Pumps, Coolers & Exhaust Gas171
Calculation of List of Capacities and Exhaust Gas Data173
Nomenclature173
Engine Configurations Related to SFOC173
List of Capacities and Cooling Water Systems174
Cooling Water Systems174
Heat Radiation and Air Consumption174
Flanges on Engine, Etc.174
Fuel175
Auxiliary Machinery Capacities180
Cooler Heat Dissipations180
Pump Capacities181
Seawater Cooling System181
Central Cooling Water System181
Pump Pressures181
Calculation of List of Capacities for Derated Engine182
Freshwater Generator184
Calculation Method184
Jacket Cooling Water Temperature Control185
Calculation of Freshwater Production for Derated Engine186
Exhaust Gas Amount and Temperature187
Influencing Factors187
Summarising Equations for Exhaust Gas Amounts and Temperatures187
Correction for Engine Load189
Exhaust Gas Correction Formula189
Calculation of Exhaust Data for Derated Engine190
Reference Conditions190
Final Calculation191
Exhaust Gas Data at Specified MCR (ISO)191
The Exhaust Gas Temperature191
Fuel193
Pressurised Fuel Oil System195
Design Parameters195
Fuel Pumps and Drain195
Fuel Oil System196
Fuel Considerations197
Constant Operation on Heavy Fuel197
Heating of Fuel Drain Pipe197
Fuel Flow Velocity and Viscosity197
Fuel Oil System197
Fuel Oils198
Heavy Fuel Oil (HFO)198
Guiding Heavy Fuel Oil Specification198
Fuel Oil Pipes and Drain Pipes199
Fuel Oil and Drain Pipes, Standard Fuel Pump199
Fuel Oil and Drain Pipes for S50MC-C7/8 with VIT Type Fuel Pump199
Fuel Oil Pipe Insulation200
Fuel Oil Pipes and Heating Pipes Together200
Flanges and Valves200
Heat Loss in Piping201
Heat Loss/Pipe Cover201
Fuel Oil Pipe Heat Tracing202
Fuel Oil and Lubricating Oil Pipe Spray Shields202
Spray Shields by Anti-Splashing Tape202
Spray Shields by Clamping Bands202
Components for Fuel Oil System203
Fuel Oil Centrifuges203
Fuel Oil Supply Pump203
Fuel Oil Circulating Pump203
Fuel Oil Heater204
Fuel Oil Heating Chart204
Fuel Oil Filter205
Fuel Oil Venting Box205
Flushing of the Fuel Oil System205
Water in Fuel Emulsification206
Temperature and Pressure206
Safety System206
Impact on the Auxiliary Systems206
Lubricating Oil209
Lubricating and Cooling Oil System211
Lubrication of Turbochargers211
Lubricating and Cooling Oil Pipes212
Hydraulic Power Supply Unit213
Lubricating Oil Pipes for Turbochargers214
MAN Diesel Turbocharger Type TCA214
ABB Turbocharger Type TPL214
Mitsubishi Turbocharger Type MET215
Lubricating Oil Centrifuges and List of Lubricating Oils216
List of Lubricating Oils216
Components for Lubricating Oil System217
Lubricating Oil Pump217
Lubricating Oil Cooler217
Lubricating Oil Temperature Control Valve217
Lubricating Oil Full Flow Filter218
Flushing of Lube Oil System218
Lubricating Oil Outlet219
Lubricating Oil Tank220
Lubricating Oil Tank, with Cofferdam220
Lubricating Oil Tank Operating Conditions221
Crankcase Venting and Bedplate Drain Pipes222
Crankcase Venting222
Bedplate Drain Pipes222
Cylinder Lubrication223
Cylinder Lubricating Oil System225
Cylinder Lubricators and Service Tank225
Cylinder Oils225
Cylinder Oil Feed Rate (Dosage)225
MAN B&W Alpha Cylinder Lubrication System226
System Control Units226
Alpha Adaptive Cylinder Oil Control (Alpha ACC)227
Working Principle227
Basic and Minimum Setting with Alpha ACC227
Pump Station and man B&W Alpha Cylinder Lubricators on Engine228
Cylinder Lubricating Oil Supply System for Two Different BN Oils228
Lubricator Control System229
Wiring Diagram230
Mechanical Cylinder Lubricators231
Load Change Dependent Mechanical Lubrication231
Piping and Instrumentation for a Mechanical Cylinder Lubricator231
Cylinder Lubricating Oil Supply System232
Piston Rod Stuffing Box Drain Oil233
Stuffing Box Drain Oil System235
Central Cooling Water System237
Advantages of the Central Cooling System239
Disadvantages of the Central Cooling System239
Components for Central Cooling Water System241
Seawater Cooling Pumps241
Central Cooling Water Pumps241
Central Cooler241
Jacket Water System242
Jacket Water Cooling Pump242
Scavenge Air Cooler242
Jacket Water Cooler242
Seawater Cooling243
Seawater Systems245
Seawater Cooling Pipes247
Seawater Cooling Pipes for Engines with One Turbocharger247
Components for Seawater Cooling System248
Seawater Thermostatic Valve248
Jacket Cooling Water System249
Jacket Cooling Water Pipes250
Components for Jacket Cooling Water System251
Jacket Water Preheater251
Deaerating Tank251
Temperature at Start of Engine253
Normal Start of Engine253
Start of Cold Engine253
Preheating of Diesel Engine253
Starting and Control Air255
Starting and Control Air Systems257
Components for Starting Air System258
Starting Air Compressors258
Starting Air Receivers258
Reduction Station for Control and Safety Air258
Starting and Control Air Pipes259
Starting Air Pipes, Reversible Engine259
Exhaust Valve Air Spring Pipes260
Starting Air Pipes, Non-Reversible Engine260
Air Spring Pipes for Exhaust Valves260
Electric Motor for Turning Gear261
Scavenge Air263
Scavenge Air System265
Exhaust Gas265
Auxiliary Blowers266
Emergency Running266
Scavenge Air Cooler Requirements266
Influence of Ambient Temperature Conditions266
Control of the Auxiliary Blowers267
Diagram of Auxiliary Blower Control System267
Operation Panel for the Auxiliary Blowers268
Scavenge Air Pipes269
Electric Motor for Auxiliary Blower270
Scavenge Air Cooler Cleaning System271
Drain from Water Mist Catcher271
Auto Pump Overboard System271
Air Cooler Cleaning Unit272
Scavenge Air Box Drain System273
Fire Extinguishing System for Scavenge Air Space274
Fire Extinguishing Pipes in Scavenge Air Space275
Exhaust Gas277
Turbocharger Arrangement and Cleaning Systems279
Exhaust Gas Pipes280
Cleaning Systems281
Exhaust Gas System for Main Engine282
Exhaust Gas Piping System for Main Engine282
Components of the Exhaust Gas System283
Exhaust Gas Compensator after Turbocharger283
Exhaust Gas Boiler283
Exhaust Gas System, Two or more Tcs283
Exhaust Gas Silencer284
Spark Arrester284
Calculation of Exhaust Gas BackPressure285
Exhaust Gas Data285
Mass Density of Exhaust Gas (Ρ)285
Exhaust Gas Velocity (V)285
Measuring Back Pressure286
Pressure Losses and Coefficients of Resistance in Exhaust Pipes287
Forces and Moments at Turbocharger288
Turbocharger(S) Located on Exhaust Side288
One Turbocharger Located on Aft End289
Diameter of Exhaust Gas Pipes291
Engine Control System293
Manoeuvring Consoles295
Engine Control System Layout295
Diagram of Manoeuvring System296
Manoeuvring System on Engine297
Shut down System297
Low Load Operation297
Control System for Plants with CPP297
Sequence Diagram298
Governor Parts and Mode of Operation300
Governor for ‘Conventional’ Plants300
Governor for ‘Advanced’ Plants300
Governor and Remote Control Components301
Electronic Governor301
Engine Side Control Console with Diagram302
Engine Side Control Console, for Reversible Engine302
Diagram of Engine Side Control Console302
Engine Side Control Console and Instrument Panel303
Engine Control Room Console304
Sequence Diagram for Engines with Fixed Pitch Propeller305
Controllable Pitch Propeller306
Engine Control System Interface to Surrounding Systems307
Alarm System307
Slow down System307
Telegraph System307
Auxiliary Equipment System308
Power Management System308
Engine Monitoring308
Instrumentation308
Vibration Aspects309
External Unbalanced Moments311
2Nd Order Moments on 4, 5 and 6-Cylinder Engines312
Compensator Solutions312
Preparation for Compensators313
Basic Design Regarding Compensators313
Balancing 1St Order Moments314
1St Order Moment Compensators314
Examples of Counterweight314
Electrically Driven Moment Compensator315
Compensation of 2Nd Order Vertical External Moments316
Power Related Unbalance317
Calculation of External Moments317
Power Related Unbalance (PRU) Values in Nm/Kw317
Guide Force Moments318
Top Bracing318
Definition of Guide Force Moments318
Vibration Limits Valid for Single Order Harmonics319
Vibration Limits319
Axial Vibrations321
Torsional Vibrations321
Undercritical Running321
Critical Running322
Overcritical Running322
External Forces and Moments, S50MC-C8 Layout Point323
Monitoring Systems and Instrumentation325
PMI System328
Measurements328
PMI Type PT/S Off-Line328
Cocos-EDS330
Cocos/Eds Features330
Connectivity330
Cocos/Eds Sensor List331
Alarm – Slow down and Shut down System332
Basic Safety System Design and Supply332
Alarm and Slow down System Design and Supply332
Slow down Functions332
General Outline of the Electrical System333
Panels and Sensors for Alarm and Safety Systems333
Alarms for UMS – Class and man Diesel Requirements334
Local Instruments339
Other Alarm Functions342
Drain Box for Fuel Oil Leakage Alarm342
Bearing Condition Monitoring342
Oil Mist Detector342
Bearing Wear Monitoring System344
Bearing Temperature Monitoring System344
Water in Oil Monitoring System345
Liner Wall Monitoring System345
Control Devices346
Identification of Instruments347
Dispatch Pattern, Testing, Spares and Tools349
Painting of Main Engine351
Dispatch Pattern351
Shop Trials/Delivery Test351
Spare Parts352
List of Standard Tools352
Tool Panels352
Wearing Parts352
Specification for Painting of Main Engine353
Dispatch Pattern, List of Masses and Dimensions360
Shop Test364
Minimum Delivery Test364
EIAPP Certificate364
List of Spare Parts, Unrestricted Service365
Additional Spares366
Large Spare Parts, Dimensions and Masses375
List of Standard Tools for Maintenance376
Project Suppport and Documentation389
Project Support and Documentation391
Engine Selection Guides391
Project Guides391
Computerised Engine Application System (CEAS)392
Installation Documentation395
Appendix399
Symbols for Piping401

Man B&W S50MC-C8-TII - Scavenge Air

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