Man B&W S50ME-B9.3-TII - Nodes and Compensators; Compensation of 2 Nd Order Vertical External Moments

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MAN B&W 17.03

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MAN Diesel

198 69 781.2MAN B&W S50MEC7/8/-GI, 50-30ME-B9/-GI,

40-30MC-C9

Fig. 17.03.02: Compensation of 2nd order vertical external moments

178 61 15-9.1

4 Node

3 Node

3 and 4node vertical hull girder mode

Electrically driven moment compensator

Compensating moment

× Lnode

outbalances M2V

M2V

Node Aft

node

Nodes and Compensators

Main Page

Data Updates1
Extent of Delivery1
Electronic Versions1
Table of Contents3
Engine Design11
The Fuel Optimised ME-B Tier II Engine13
Concept of the ME-B Engine13
Engine Design and IMO Regulation Compliance13
Tier II Fuel Optimisation14
Engine Type Designation15
Power, Speed and Fuel Oil16
Specific Fuel Oil Consumption (SFOC)17
Lubricating Oil Data17
Engine Power Range and Fuel Oil Consumption17
Performance Curves18
ME-B Mark 9 Engine Description19
Bedplate and Main Bearing19
Frame Box19
Cylinder Frame and Stuffing Box19
Cylinder Liner20
Cylinder Cover20
Crankshaft20
Turning Gear and Turning Wheel20
Tuning Wheel / Torsional Vibration Damper21
Connecting Rod21
Piston21
Piston Rod21
Auxiliary Blower22
Exhaust Gas System22
Exhaust Turbocharger22
Camshaft and Cams22
Hydraulic Cylinder Unit23
The Hydraulic Power Supply23
Fuel Valves and Starting Air Valve23
Engine Control System23
Exhaust Valve24
Reversing24
Indicator Cock24
MAN B&W Alpha Cylinder Lubrication24
Gallery Arrangement25
Piping Arrangements25
Engine Cross Section of S50ME-B926
Engine Layout and Load Diagrams, SFOC27
Propulsion and Engine Running Points29
Propeller Curve29
Propeller Design Point29
Straight Lines in Linear Scales29
Fouled Hull30
Engine Layout (Heavy Propeller)30
Engine Margin30
Constant Ship Speed Lines30
Propeller Diameter and Pitch, Influence on the Optimum Propeller Speed31
Influence of Diameter and Pitch on Propeller Design31
Layout Diagram and Constant Ship Speed Lines32
Layout Diagram Sizes33
Specified Maximum Continuous Rating (M)34
Continuous Service Rating (S)34
Engine Layout and Load Diagrams34
Engine Load Diagram35
Definitions35
Operating Curves and Limits for Continuous Operation35
Standard Engine Load Diagram35
Recommendation36
Limits for Overload Operation36
Limits for Low Load Running36
Examples of the Use of the Load Diagram38
Normal Running Conditions39
Layout Diagram39
Load Diagram39
Special Running Conditions41
Diagram for Actual Project43
Specific Fuel Oil Consumption, ME Versus MC Engines44
SFOC for High Efficiency Turbochargers45
Example of Part Load SFOC Curves for High Efficiency Turbochargers45
SFOC Reference Conditions and Guarantee46
SFOC Guarantee46
Recommended Cooling Water Temperature During Normal Operation46
Examples of Graphic Calculation of SFOC47
SFOC Calculations for S50ME-B9.348
SFOC for S50ME-B9.3 with Fixed Pitch Propeller49
SFOC for S50ME-B9.3 with Constant Speed49
SFOC Calculations, Example50
Fuel Consumption at an Arbitrary Load52
SFOC at an Arbitrary Load52
Turbocharger Selection & Exhaust Gas By-Pass53
Turbocharger Selection55
Climate Conditions and Exhaust Gas Bypass56
Extreme Ambient Conditions56
Arctic Running Condition56
Emergency Running Condition56
Emission Control57
Emission Project Guide57
Electricity Production59
Power Take off61
Designation of PTO63
Example of Designation of PTO63
Pto/Rcf64
Side Mounted Generator, BW III/RCF64
Side Mounted BW III/RCF64
Extent of Delivery for BW III/RCF Units66
Additional Capacities Required for BW III/RCF66
Engine Preparations for PTO68
Engine Preparations for PTO, BWIII/RCF System68
Necessary Capacities for PTO/RCF, BW III/RCF System70
Lubricating Oil System for RCF Gear70
DMG/CFE Generators71
Standard Engine, with Direct Mounted Generator (DMG/CFE)71
Standard Engine, with Direct Mounted Generator and Tuning Wheel72
Diagram of DMG/CFE with Static Converter72
Static Converter73
SMG/CFE Generators73
Extent of Delivery for DMG/CFE Units73
PTO Type: BW II/GCR74
Power Take Off/Gear Constant Ratio74
Generic Outline of Power Take off (PTO) BW II/GCR74
Tunnel Gear with Hollow Flexible Coupling75
Generic Outline of BW IV/GCR, Tunnel Gear75
Auxiliary Propulsion System/Take Home System76
Auxiliary Propulsion System76
Waste Heat Recovery Systems (WHRS)77
L16/24-Tll Genset Data78
Power and Outline of L16/24, IMO Tier II78
L21/31-Tll Genset Data81
L23/30H-Tll Genset Data83
Installation Aspects93
Space Requirements and Overhaul Heights95
Space Requirements for the Engine95
Overhaul of Engine95
Crane Beam for Overhaul of Turbocharger96
Required Height and Distance96
Required Height and Distance and Weight96
Crane Beam for Turbochargers97
Crane Beam for Overhaul of Air Cooler98
Engine Room Crane98
Engine Room Crane100
Double-Jib Crane100
Overhaul with man B&W Doublejib Crane101
MAN B&W Doublejib Crane102
Engine Masses and Centre of Gravity103
Gallery Outline103
Engine Outline, Galleries and Pipe Connections103
Centre of Gravity104
Counterflanges, Connection D105
MAN Type TCA44-99105
MAN Type TCA33105
MAN Type TCR106
ABB Type A100/A200-L106
MHI Type MET107
Counterflanges, Connection E108
Engine Seating and Holding down Bolts111
Engine Seating and Arrangement of Holdingm down Bolts111
Engine Seating Profile112
Rofile of Engine Seating, End Chocks, Option: 4 82 620113
Profile of Engine Seating, End Chocks, Option: 4 82 610113
Engine Top Bracing114
Mechanical Top Bracing114
Hydraulic Top Bracing115
Mechanical Top Bracing115
Components for Engine Control System118
Installation of ECS in the Engine Control Room118
Network and PC Components for the ME/ME-B Engine Control System118
Ec-Mop119
Mop Pc119
Main Operating Panel (Display)119
Pointing Device119
Printer120
EICU Cabinet120
Shaftline Earthing Device121
Scope and Field of Application121
Design Description121
Shaftline Earthing Device Installations122
Connection of Cables for the Shaftline Earthing Device122
MAN Diesel & Turbo’s man Alpha Controllable Pitch Propeller125
VBS Type CP Propeller Designation and Range125
Data Sheet for Propeller126
Dimension Sketch for Propeller Design Purposes126
Data Sheet for Propeller Design Purposes126
Main Dimensions127
Propeller Clearance127
Servo Oil System for VBS Type CP Propeller128
Hydraulic Power Unit for man Alpha CP Propeller129
MAN Alphatronic 2000 Propulsion Control System130
Propulsion Control Station on the Main Bridge131
Renk PSC Clutch for Auxilliary Propulsion Systems132
Further Information about man Alpha CP Propeller132
Alphatronic 2000 PCS Propulsion Control System132
MAN Alpha Controllable Pitch (CP) Propeller132
List of Capacities: Pumps, Coolers & Exhaust Gas133
Calculation of List of Capacities and Exhaust Gas Data135
Nomenclature of Basic Engine Ratings135
Engine Configurations Related to SFOC135
List of Capacities and Cooling Water Systems136
Cooling Water Systems136
Heat Radiation and Air Consumption136
Flanges on Engine, Etc.136
List of Capacities for 5S50ME-B9.3-TII at NMCR137
Fuel137
List of Capacities for 6S50ME-B9.3-TII at NMCR138
List of Capacities for 7S50ME-B9.3-TII at NMCR139
List of Capacities for 8S50ME-B9.3-TII at NMCR140
List of Capacities for 9S50ME-B9.3-TII at NMCR141
Auxiliary Machinery Capacities142
Cooler Heat Dissipations142
Pump Capacities143
Seawater Cooling System143
Central Cooling Water System143
Pump Pressures143
Calculation of List of Capacities for Derated Engine144
Freshwater Generator146
Calculation Method146
Jacket Cooling Water Temperature Control147
Calculation of Freshwater Production for Derated Engine148
Exhaust Gas Amount and Temperature149
Influencing Factors149
Correction for Choice of Specified MCR Point149
Correction for Engine Load151
Exhaust Gas Correction Formula151
Calculation of Exhaust Data for Derated Engine152
Final Calculation153
Exhaust Gas Data at Specified MCR (ISO)153
Fuel155
Pressurised Fuel Oil System157
Fuel Considerations157
Fuel Oil System158
Drain of Clean Fuel Oil from HCU, Pumps, Pipes159
Heating of Fuel Drain Pipes159
Drain of Contaminated Fuel Etc.159
Fuel Oil Flow Velocity and Viscosity159
Fuel Oils160
Marine Diesel Oil160
Guiding Heavy Fuel Oil Specification160
Heavy Fuel Oil (HFO)160
Fuel Oil Pipes and Drain Pipes161
Fuel Oil Pipe Insulation162
Fuel Oil Pipes and Heating Pipes Together162
Flanges and Valves162
Heat Loss in Piping163
Fuel Oil Pipe Heat Tracing164
Fuel Oil and Lubricating Oil Pipe Spray Shields164
Spray Shields by Anti-Splashing Tape164
Spray Shields by Clamping Bands164
Components for Fuel Oil System165
Fuel Oil Centrifuges165
Fuel Oil Supply Pump165
Fuel Oil Circulating Pump165
Fuel Oil Heater166
Fuel Oil Heating Chart166
Fuel Oil Filter167
Fuel Oil Venting Box167
Flushing of the Fuel Oil System167
Water in Fuel Emulsification168
Temperature and Pressure168
Safety System168
Impact on the Auxiliary Systems168
Lubricating Oil171
Lubricating and Cooling Oil System173
Lubrication of Turbochargers173
Hydraulic Power Supply Unit174
The HPS in Service174
Hydraulic Power Supply Unit and Lubricating Oil Pipes175
Lubricating Oil Pipes for Turbochargers176
MAN Turbocharger Type TCA176
Mitsubishi Turbocharger Type MET176
ABB Turbocharger Type A100L176
Lubricating Oil Consumption178
Lubricating Oil Centrifuges178
List of Lubricating Oils178
Components for Lubricating Oil System179
Lubricating Oil Pump179
Lubricating Oil Cooler179
Lubricating Oil Temperature Control Valve179
Lubricating Oil Full Flow Filter180
Filtering and Removing Impurities182
Flushing the Engine Oil System182
Inspection and Recording in Operation182
Lubricating Oil Outlet183
Crankcase Venting and Bedplate Drain Pipes184
Crankcase Venting184
Engine and Tank Venting to the Outside Air185
Venting of Engine Plant Equipment Separately185
Hydraulic Oil Back-Flushing186
Separate System for Hydraulic Control Unit187
Cylinder Lubrication189
Cylinder Lubricating Oil System191
Cylinder Oils191
Two-Tank Cylinder Oil Supply System191
Cylinder Oil Feed Rate (Dosage)191
List of Cylinder Oils192
MAN B&W Alpha Cylinder Lubrication System193
Alpha Adaptive Cylinder Oil Control (Alpha ACC)194
Working Principle194
Typical Dosage (G/Kwh)194
Specific Minimum Dosage with Alpha ACC194
Cylinder Oil Pipe Heating195
Cylinder Lubricating Oil System. Example from S60/50ME-B196
Electric Heating of Cylinder Oil Pipes196
Suggestion for Small Heating Box with Filter198
Piston Rod Stuffing Box Drain Oil199
Stuffing Box Drain Oil System201
Central Cooling Water System203
Central Cooling205
Advantages of the Central Cooling System205
Disadvantages of the Central Cooling System205
Components for Central Cooling Water System207
Central Cooler207
Central Cooling Water Thermostatic Valve207
Jacket Water System208
Jacket Water Cooling Pump208
Scavenge Air Cooler208
Jacket Water Cooler208
Seawater Cooling System209
Seawater Systems211
Cooling Water Pipes213
Cooling Water Pipes for Engines with One Turbocharger213
Components for Seawater Cooling System214
Seawater Thermostatic Valve214
Jacket Cooling Water System215
Components for Jacket Cooling Water System216
Jacket Water Thermostatic Valve216
Deaerating Tank216
Expansion Tank216
Temperature at Start of Engine218
Fixed Pitch Propeller Plants218
Controllable Pitch Propeller Plants218
Jacket Water Warming-Up Time218
Preheating of Diesel Engine219
Preheating During Standstill Periods219
Starting and Control Air221
Starting and Control Air Systems223
Components for Starting Air System224
Starting Air Compressors224
Starting Air Receivers224
Starting and Control Air Pipes224
Exhaust Valve Air Spring Pipes226
Scavenge Air227
Scavenge Air System229
Exhaust Gas229
Auxiliary Blowers230
Emergency Running230
Scavenge Air Cooler Requirements230
Control of the Auxiliary Blowers231
Diagram of Auxiliary Blower Control System231
Operation Panel for the Auxiliary Blowers232
Electric Motor for Auxiliary Blower233
Motor Start Method and Size233
Special Operating Conditions233
Scavenge Air Cooler Cleaning System234
Drain from Water Mist Catcher234
Auto Pump Overboard System234
Scavenge Air Box Drain System236
Fire Extinguishing System for Scavenge Air Space237
Fire Extinguishing Pipes in Scavenge Air Space238
Exhaust Gas239
Turbocharger Arrangement and Cleaning Systems241
Exhaust Gas Pipes242
Cleaning Systems243
Exhaust Gas System for Main Engine244
Exhaust Gas Piping System for Main Engine244
Components of the Exhaust Gas System245
Exhaust Gas Compensator after Turbocharger245
Exhaust Gas Boiler245
Exhaust Gas Silencer246
Spark Arrester246
Calculation of Exhaust Gas Back Pressure247
Exhaust Gas Data247
Mass Density of Exhaust Gas (Ρ)247
Exhaust Gas Velocity (V)247
Measuring Back Pressure248
Pressure Losses and Coefficients of Resistance in Exhaust Pipes249
Forces and Moments at Turbocharger250
Turbocharger(S) Located on Exhaust Side250
One Turbocharger Located on Aft End251
Diameter of Exhaust Gas Pipes253
Engine Control System255
Engine Control System ME-B257
Main Operating Panel (MOP)257
Engine Interface Control Unit (EICU)257
Cylinder Control Unit (CCU)257
Power Supply for Engine Control System258
Hydraulic Power Supply (HPS)258
Engine Control System Layout259
Engine Control System Interface to Surrounding Systems261
Alarm System261
Slow down System261
Remote Control System261
Auxiliary Equipment System262
Instrumentation262
Pneumatic Manoeuvring Diagram, FPP263
Pneumatic Manoeuvring Diagram, CPP264
Vibration Aspects265
External Unbalanced Moments267
2Nd Order Moments on 4, 5 and 6-Cylinder Engines268
Compensator Solutions268
Determine the Need268
Preparation for Compensators268
Basic Design Regarding Compensators269
1St Order Moments on 4-Cylinder Engines270
Balancing 1St Order Moments270
1St Order Moment Compensators270
Electrically Driven Moment Compensator271
Balancing Other Forces and Moments271
Nodes and Compensators272
Compensation of 2Nd Order Vertical External Moments272
Power Related Unbalance273
Calculation of External Moments273
Guide Force Moments274
Top Bracing274
Definition of Guide Force Moments274
Vibration Limits Valid for Single Order Harmonics276
Axial Vibrations277
Torsional Vibrations277
Undercritical Running277
Critical Running278
Overcritical Running278
Vibration Characteristics of Two-Stroke Engines278
External Forces and Moments, S50ME-B9.3 Layout Point L279
Monitoring Systems and Instrumentation281
PMI Auto-Tuning System284
Condition Monitoring System Cocos-EDS285
Cocos-EDS Full Version285
Cocos-EDS ME Basic285
Cocos-EDS Sensor List286
Alarm – Slow down and Shut down System287
Basic Safety System Design and Supply287
Alarm, Slow down and Remote Indication Sensors287
Slow down Functions287
Electrical System, General Outline288
Panels and Sensors for Alarm and Safety Systems288
Alarms for UMS – Class and man Diesel & Turbo Requirements289
Other Alarm Functions297
Drain Box for Fuel Oil Leakage Alarm297
Bearing Condition Monitoring297
Oil Mist Detector297
Bearing Wear Monitoring System299
Bearing Temperature Monitoring System299
Water in Oil Monitoring System300
Liner Wall Monitoring System300
LDCL Cooling Water Monitoring System301
Control Devices303
Identification of Instruments304
Measured or Indicating Variables304
Location of Measuring Point304
Functions305
Repeated Signals305
Dispatch Pattern, Testing, Spares and Tools307
Painting of Main Engine309
Dispatch Pattern309
Shop Trials/Delivery Test309
Spare Parts310
List of Spare Parts, Unrestricted Service310
List of Standard Tools310
Tool Panels310
Specification for Painting of Main Engine311
Shop Test313
Minimum Delivery Test313
EIAPP Certificate313
Additional Spares316
Wearing Parts318
Large Spare Parts, Dimensions and Masses320
Rotor for Turbocharger321
Project Support and Documentation323
Project Guides325
Engine Selection Guides325
Installation Data Application326
The CEAS Application326
Supplementary Project Data on Request326
Basic Items and Options327
Copenhagen Standard Extent of Delivery327
Eod and the Final Contract327
Installation Documentation328
Appendix333
Symbols for Piping335

Man B&W S50ME-B9.3-TII - Nodes and Compensators; Compensation of 2 Nd Order Vertical External Moments

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