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Man B&W S50ME-B9.3-TII

Man B&W S50ME-B9.3-TII
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MAN B&W S50ME-B9.3
199 02 51-4.0
This Project Guide is intended to provide the information necessary for the layout of a marine propulsion
plant.
The information is to be considered as preliminary. It is intended for the project stage only and subject to
modification in the interest of technical progress. The Project Guide provides the general technical data
available at the date of issue.
It should be noted that all figures, values, measurements or information about performance stated in this
project guide are for guidance only and should not be used for detailed design purposes or as a substi-
tute for specific drawings and instructions prepared for such purposes.
Data updates
Data not finally calculated at the time of issue is marked ‘Available on request. Such data may be made
available at a later date, however, for a specific project the data can be requested. Pages and table entries
marked ‘Not applicable’ represent an option, function or selection which is not valid.
The latest, most current version of the individual Project Guide sections are available on the Internet at:
www.marine.man.eu Two-Stroke’.
Extent of Delivery
The final and binding design and outlines are to be supplied by our licensee, the engine maker, see Chap-
ter 20 of this Project Guide.
In order to facilitate negotiations between the yard, the engine maker and the customer, a set of ‘Extent of
Delivery’ forms is available in which the basic and the optional executions are specified.
Electronic versions
This Project Guide book and the ‘Extent of Delivery’ forms are available on the Internet at:
www.marine.man.eu ’Two-Stroke, where they can be downloaded.
Edition 0.5
May 2014
MAN B&W S50ME-B9.3-TII
Project Guide
Electronically Controlled
Two-stroke Engines
with Camshaft Controlled Exhaust Valves

Table of Contents

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Man B&W S50ME-B9.3-TII Specifications

General IconGeneral
Bore500 mm
Cooling SystemWater-cooled
Engine TypeTwo-stroke
Cylinder OutputVaries by configuration
Number of Cylinders7
Fuel TypeHeavy Fuel Oil (HFO)

Summary

Engine Design

Power, Speed, and Fuel Oil

Provides key performance data including power, speed, and specific fuel oil consumption.

Engine Layout and Load Diagrams, SFOC

Engine Layout and Load Diagrams

Explains the principles of engine layout and load diagrams using logarithmic scales.

Engine Layout and Load Diagram

Defines engine layout diagrams, operating curves, and limits for continuous operation.

SFOC reference conditions and guarantee

Defines SFOC reference conditions, guarantees, and tolerances for engine performance.

Turbocharger Selection & Exhaust Gas By-pass

Turbocharger Selection

Details the selection criteria for high-efficiency turbochargers for MAN B&W engines.

Installation Aspects

Space Requirements and Overhaul Heights

Discusses engine space requirements, overhaul heights, and lifting tool considerations.

Engine room crane

Provides information on engine room crane capacity, lifting procedures, and coverage area.

Engine Seating and Holding Down Bolts

Outlines engine seating requirements and approved epoxy chocks for installation.

Components for Engine Control System

Lists the components of the Engine Control System (ECS) installed in the engine control room.

Shaftline Earthing Device

Covers the scope, design, and installation of shaftline earthing devices to prevent spark erosion.

MAN Alpha Controllable Pitch Propeller and Alphatronic Propulsion Control

Introduces MAN Alpha CP propellers and the Alphatronic propulsion control system.

MAN Alphatronic 2000 Propulsion Control System

Describes the Alphatronic 2000 Propulsion Control System for diesel engines with CP propellers.

List of Capacities: Pumps, Coolers & Exhaust Gas

Calculation of List of Capacities and Exhaust Gas Data

Describes how to calculate auxiliary machinery capacities and exhaust gas data for derated engines.

List of Capacities for 5 S50 ME-B9.3-TII at NMCR

Provides detailed capacities for seawater and central cooling systems for a 5-cylinder engine.

List of Capacities for 6 S50 ME-B9.3-TII at NMCR

Lists capacities for seawater and central cooling systems for a 6-cylinder engine.

List of Capacities for 7 S50 ME-B9.3-TII at NMCR

Provides capacities for seawater and central cooling systems for a 7-cylinder engine.

List of Capacities for 8 S50 ME-B9.3-TII at NMCR

Details capacities for seawater and central cooling systems for an 8-cylinder engine.

List of Capacities for 9 S50 ME-B9.3-TII at NMCR

Lists capacities for seawater and central cooling systems for a 9-cylinder engine.

Auxiliary Machinery Capacities

Explains how to calculate cooler capacities for derated engines using diagrams.

Exhaust Gas Amount and Temperature

Explains influencing factors and calculation methods for exhaust gas amount and temperature.

Fuel Oil

Pressurised Fuel Oil System

Describes the pressurized fuel oil system, including heating and circulation for heavy fuel oil.

Fuel Oils

Provides specifications for marine diesel oil and heavy fuel oil, including guiding HFO specifications.

Components for Fuel Oil System

Details components of the fuel oil system, including centrifuges, pumps, and heaters.

Fuel Oil Heater

Describes the fuel oil heater type, temperature control, and steam supply requirements.

Fuel oil filter

Covers requirements for fuel oil filters, including duplex types, backflushing, and pressure drop.

Lubricating Oil

Lubricating and Cooling Oil System

Describes the lubricating and cooling oil system, including oil flow, collection, and venting.

Hydraulic Power Supply Unit

Details the Hydraulic Power Supply (HPS) unit, its components, and function.

Lubricating Oil Consumption, Centrifuges and List of Lubricating Oils

Covers lubricating oil consumption, centrifuge requirements, and lists recommended system oils.

Components for Lubricating Oil System

Details components of the lubricating oil system, including pumps, coolers, and filters.

Lubricating oil full flow filter

Details specifications for the full-flow lubricating oil filter, including flow capacity and cleaning criteria.

Flushing of lubricating oil components and piping system at the shipyard

Outlines procedures for flushing lubricating oil components and piping before engine start.

Cylinder Lubrication

Cylinder Lubricating Oil System

Details the cylinder lubricating oil system, costs, and importance of optimization.

Cylinder oils

Recommends cylinder oils based on SAE viscosity grade and BN level for different fuel types.

MAN B&W Alpha Cylinder Lubrication System

Describes the Alpha Cylinder Lubrication System, its design, and control.

Alpha Adaptive Cylinder Oil Control (Alpha ACC)

Explains the Alpha ACC system for adaptive cylinder oil dosage based on engine load and fuel quality.

Piston Rod Stuffing Box Drain Oil

Stuffing Box Drain Oil System

Describes the piston rod stuffing box drain oil system, its purpose, and handling of drained oil.

Central Cooling Water System

Central Cooling Water System

Details the central cooling water system, including its characteristics and recommendations.

Components for Central Cooling Water System

Lists components of the central cooling water system, including pumps, coolers, and thermostatic valves.

Seawater Cooling System

Seawater Cooling System

Describes the seawater cooling system, cooler positioning, and temperature control recommendations.

Components for Seawater Cooling System

Details components of the seawater cooling system, including pumps, coolers, and thermostatic valves.

Temperature at Start of Engine

Specifies temperature and speed restrictions for engine starting, varying by propeller type.

Starting and Control Air

Starting and Control Air Systems

Describes the starting and control air systems, including supply, reduction stations, and components.

Components for Starting Air System

Details starting air compressors, receivers, reduction stations, and piping.

Scavenge Air

Scavenge Air System

Describes the scavenge air system, its components, and operating conditions.

Auxiliary Blowers

Details the electrically driven auxiliary blowers, their function, and operating modes.

Scavenge Air Box Drain System

Explains the continuous draining system for the scavenge air box to prevent sludge buildup.

Fire Extinguishing System for Scavenge Air Space

Covers fire extinguishing systems for scavenge air space using steam, water mist, or CO2.

Exhaust Gas

Exhaust Gas System

Describes the exhaust gas system, its components, and turbocharger arrangements.

Exhaust Gas System for Main Engine

Covers exhaust gas system design, back-pressure limits, and velocity recommendations.

Components of the Exhaust Gas System

Lists components of the exhaust gas system and parameters for dimensioning.

Calculation of Exhaust Gas Back-Pressure

Explains methods for calculating exhaust gas back-pressure, including pipe and component losses.

Engine Control System

Engine Control System ME-B

Describes the Engine Control System (ECS) for ME-B engines, its interfaces, and components.

Hydraulic Power Supply (HPS)

Explains the purpose and operation of the Hydraulic Power Supply (HPS) unit.

Engine Control System Layout

Provides a layout diagram of the Engine Control System, showing component interconnections.

Mechanical-hydraulic System with Hydraulic Power Supply Unit on Engine

Illustrates the mechanical-hydraulic system integrating the HPS unit.

Engine Control System Interface to Surrounding Systems

Details the ECS interfaces with ship control, alarm, and power management systems.

Vibration Aspects

External unbalanced moments

Discusses external unbalanced moments and their classification into categories.

Guide force moments

Explains the origin of guide force moments and their effect on engine vibrations.

Top bracing

Recommends top bracing installation for engines to mitigate vibrations and improve resonance behavior.

2 nd Order Moments on 4, 5 and 6-cylinder Engines

Addresses 2nd order moments, their impact on 4, 5, and 6-cylinder engines, and resonance phenomena.

1 st Order Moments on 4-cylinder Engines

Discusses 1st order moments in 4-cylinder engines and their balancing methods.

Electrically Driven Moment Compensator

Describes the advantages and installation of external electrically driven moment compensators.

Power Related Unbalance

Introduces Power Related Unbalance (PRU) as a measure for evaluating hull vibration risks.

Monitoring Systems and Instrumentation

Monitoring Systems and Instrumentation

Introduces monitoring systems and instrumentation for ME engines, including ECS, PMI, and CoCoS-EDS.

PMI Auto-tuning System

Explains the PMI Auto-tuning system for automatic adjustment of combustion pressures and engine performance.

Condition Monitoring System CoCoS-EDS

Details the CoCoS-EDS condition monitoring system, including its full and basic versions.

Alarm - Slow Down and Shut Down System

Covers the alarm, slow down, and shut down systems for engine protection and unattended operation.

Bearing Temperature Monitoring System

Explains the Bearing Temperature Monitoring (BTM) system for detecting bearing issues.

Bearing Wear Monitoring System

Describes the Bearing Wear Monitoring (BWM) system for predicting bearing wear.

Water In Oil Monitoring System

Details the Water In Oil monitoring system for detecting water contamination in lubricating oil.

Dispatch Pattern, Testing, Spares and Tools

Project Support and Documentation

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