© MAN Diesel A/S

S40ME-B

Lennart Wahl

© MAN Diesel A/S

Agenda

Day 1 Day 2

09:30 -- 10:15 Introduction to

ME-B engine

MOP,

PMI & EDS

10:30 – 11:30 Hydraulic Power

Supply

Service

Experience

11:30 – 12:30 Lunch Lunch

12:30 – 13:30 Hydraulic

Cylinder Unit

BMS

13:30 – 14:30 Engine Control

System

BMS

14:45 – 15:30 Electrical

connection

BMS

© MAN Diesel A/S

Small Bore MAN B&W Two-stroke Engines

OZS/2200/20061122

S35ME-B

S40ME-B

S50ME-B

© MAN Diesel A/S

MAN B&W Two-stroke Engines for

Motor Ships

3334625.2007.01.15 (3000/OG)

Market requirements

Ship Owner: Reliability/AvailabilityLow Operation Cost (MTBO)Lower SFOC and LOCLower Emission and Flexibility against Future LimitsEasy daily operation for crew

Shipyard: Easy Installation and CommissioningCompactnessCompetitive price

Engine Builder: Production CostNo After Sales Cost

Engine Designer: Competitiveness

All requirements have to be met!

© MAN Diesel A/SL/73846-6.5/0106 (3320/MKZ)

The ME Programme

As at January 20061,000 kW

0 10 20 30 40 50 60 70 80 90 100

r/min

L4.L

1

Engine type and

Mark number

90-94 K108ME-C6

90-97 K98ME7

84-94 K98ME6

97-104 K98ME-C7

94-104 K98ME-C6

66-78 S90ME-C8

61-76 S90ME-C7

84-94 K90ME9

94-104 K90ME-C9

89-104 K90ME-C6

66-78 S80ME-C9

66-78 S80ME-C8

57-76 S80ME-C7

94-104 K80ME-C9

89-104 K80ME-C6

77-91S70ME-C8/ME-GI8

68-91S70ME-C7/ME-GI7

91-108 L70ME-C8

91-108 L70ME-C7

81-95S65ME-C8/ME-GI8

89-105S60ME-C8/ME-GI8

79-105S60ME-C7/ME-GI7

105-123 L60ME-C8

105-123 L60ME-C7

108-127 S50ME-C8

95-127 S50ME-C7

99-117 S50ME-B9

95-127 S50ME-B8

124-146 S40ME-B9

142-167 S35ME-B9

© MAN Diesel A/S

ME-B

Engine Programme

L1 point Unit S35ME-B9 S40ME-B9 S50ME-B9 S50ME-B7/8

Cylinder no: 5 - 8 5 - 8 5 - 9 5 - 9

Bore: mm 350 400 500 500

Stroke: mm 1550 1770 2214 2000

Stroke/Bore ratio: 4,43 4,43 4,43 4,00

Speed: r/min 167 146 117 127

Mean piston

speed:m/s 8,63 8,61 8,63 8,50

MEP: bar 21 21 21 19/20

Power: kW/cyl 870 1135 1780 1580/1660

SFOC: g/kWh 176 175 169 170

2200/OZS/2006.11.19

© MAN Diesel A/S

Cost in Relation to Engine Size

3333540.2006.04.10 (2200/OZS)

Cost Index (ref. MC-C)

ME-C

MC-C

Large boreSmall bore

80%

90%

100%

110%

120%

130%

ME-B

© MAN Diesel A/S

3 Engine groups

MC/MC-C:

1. Exhaust valve operated by a camshaft

2. Fuel injection operated by a camshaft

ME-C: ME-B:

1. Electronic controlled exhaust valve Exhaust valve operated by a light camshaft

2. Electronic controlled fuel injection Electronic controlled fuel injection

ECS: Starting air valves ECS: Governor function

Start and Reversing sequences Electronically Profiled Injection (EPIC)

Governor function Hydraulic oil pressure

Auxiliary blowers Alpha Lubricator

Electronically Profiled Injection (EPIC)

Exhaust valve actuation

HPS

Alpha Lubricator

OZS/LES/200708118

© MAN Diesel A/S

ME-B

Main Features

OZS/2200/20060823

The ME-B engines designed with

Electronic fuel injection control

Cam shaft driven exhaust valve

Pressure boosters similar to the ME-C

300 bar hydraulic system

Hydraulic cylinder units serving two cylinders

One gas accumulator on each HCU

Electric driven hydraulic pumps

© MAN Diesel A/S

Small Bore Electronic Injection

Advantage of electronic controlled fuel injection

Injection pressure is independent of engine

speed (RPM)

Rate shape of injection profile

Variable injection timing (VIT)

Optimal SFOC at minimum emission

Easy adjustment of engine parameters

Easy change of operating mode

© MAN Diesel A/S

ME

Fuel Injection System

To drain

Membrane

accumulator

Fuel pump

Fuel oil inlet

8 bar

Suction valve

ELFI proportional

valve

Slide fuel

valve

Fuel pump plunger

Hydraulic piston

High pressure pipe

High pressure hydraulic oil inlet

L/73829-9.0/0303 (2200/OZS)

© MAN Diesel A/S

Injection profiles

2006-12-22

deg a BDC

ba

r a

bs

4T50ME-X: Step-profiles 100% load, fuel-pump pressureMAN B&W Diesel A/S 2006-12-21 21:27

170 180 190 200 2100

100

200

300

400

500

600

700

800

900

1000

ReferenceStep-profile: 10msStep-profile: 13msStep-profile: 17ms

© MAN Diesel A/S

Injection profile variation

Step profiles 100% load 2-valve atomizer, constant Pmax and Pc/Ps

-5

-4

-3

-2

-1

0

1

2

3

4

5

Step 10 ms Step 13 ms Step 17 ms

Variation

g/k

Wh SFOC

Nox

© MAN Diesel A/S

ME-B Electronic Injection

System Layout

OZS/2200/20070126

Pressure boosters

ELFI

ValvesHydraulic oil rail

Camshaft driven

exhaust actuators

Light camshaft

Dual cylinder

HCUHPS

© MAN Diesel A/S

ME-B

Dual Hydraulic Cylinder Unit (HCU)

2200/OZS/20070126

Distributor blockELFI valve

Alpha lubricator

with ACC

Pressure booster

Accumulator

© MAN Diesel A/S

ME-B

Hydraulic Power Supply (HPS)

HPS mounted

in for end

Boll FilterLube oil inlet

© MAN Diesel A/S

ME-B

Layout of Hydraulic Power Supply (HPS)

Electric motor

Hydraulic pump

Lube oil inlet

Hydraulic oil 300 bar

Safety block

© MAN Diesel A/S

ME-B

Layout of High Pressure Pipe

Hydraulic oil rail

from the safety

block to the HCU

300 bar

Safety block

© MAN Diesel A/S

ME-B

Mechanical/Hydraulic Diagram

HCU

HPS

BOLL filter

2200/OZS/20061122

© MAN Diesel A/S

ME-B

ECS

2200/OZS/20070311

CCU 1 - 4

S40ME-B and S50ME-B

Mounting of ECS

S35ME-B

Mounted in engine room

Safety system

24 VDC

Power box

Connecting boxes

© MAN Diesel A/S

Piston

• Bore cooled

• High topland

• Top piston ring, high CPR-type

• All rings Alu-coated

• Skirt with bronze band

Cylinder liner

• Slim type liner, Tarkalloy A

• Piston cleaning ring

Cylinder frame

• Nodular cast iron

or

• Welded with integrated scav. air receiver

Frame box

• Triangular guide plane design

• Twin stay bolts

Bedplate

• Welded bedplate with girder

made from steel plate

Exhaust valve

• Operated by light camshaft

• DuraSpindle

• W-seat

• COL (Controlled oil level)

Hydraulic cylinder unit

• Fuel oil pressure booster

• Integrated Alpha Lubricator

Fuel system

• Two low NOx slide fuel

valves

Connecting Rod

• Slim design

• Low friction guide shoe

Crankshaft

• Semi-built

Bearings

• Thin shell Sn40-Al

ME-B

Design Features

© MAN Diesel A/S

ME-B

Crankshaft

3333564.2006.04.12 (2200/OZS)

Semi-built

Forged steel

Conventional material

© MAN Diesel A/S

ME-B

Bedplate Aft

9999999.2006.08.23 (2210/FLL)

Bedplate mainly made by

plate-supports. Only two

casted supports at the thrust

section.

Journal bearing support

with two draining holes for

better drainage of the

sealing at the aft part of

shaft.

© MAN Diesel A/S

ME-B

Bedplate

Intermediate section with

plate supports welded in the

box structure.

© MAN Diesel A/S

ME-B

Turning gear

Worm gear Planet gear

Mounted on aft side of the bedplate

No cut-out in bedplate and frame box

© MAN Diesel A/S

ME-B

Frame Box

OZS/2200/20061006

Triangular stay bolt tube design

Uniform

higher rigidty

Lower stress

level

No post weld

heat treatment

Ribs substituted by

vertical plates,

forming a triangle:

Lower production

cost

OMD and PCO

sensors mounted on

the manouvering side.

© MAN Diesel A/S

ME-B

Cylinder Frame Executions

3333556.2006.04.11 (2200/OZS)

Welded design with

integrated scavenge

air receiver

Nodular cost iron (KPF)

Bolted on scavenge

air receiver

© MAN Diesel A/S

ME-B

Cylinder Frame

OZS/2200/20061006

Integreated chain

wheel frame

Integrated housing

for the HPS

Material:

Nodular cast iron (KPF)

Mass saving for a 6S40ME-B: 4000kg

© MAN Diesel A/S

ME-B

Connecting Rod

MC design ME-B slim design

Mass reduction 20%

2200/OZS/20061122

© MAN Diesel A/S

ME-B

Crosshead Bearing Design

MC design ME-B slim design

Oil groove in loaded zone No oil grove in loaded zone

DROMEDARY type pressure distributionCAMEL type pressure distribution

Improved oil film thickness

2200/OZS/20061122

© MAN Diesel A/S

ME-B

Low Friction Guide Shoes

Guideplan height / width: 5 3.2

Number of oil quills on guide plan

reduced to one.

Frictional loss reduced with 24%

Heig

ht

© MAN Diesel A/S

ME-B

Combustion Chamber

OZS/2200/20061119

Slide fuel valves

Alpha ACC

High piston topland

Slim cylinder liner

PC-ring

Piston rings with Alu-coating

Piston skirt with bronze band

DuraSpindle

W-seat

Design features

Known to give excellent

cylinder condition and

long TBO

© MAN Diesel A/S

ME-B

Piston

3333569.2006.04.12 (2200/OZS)

High piston crown

Ring pack

like existing engines

Cupper band

© MAN Diesel A/S

ME-B

Exhaust Valve

2200/OZS/20070312

MC/MC-C exhaust valve

reused for the ME-B

W-seat

DuraSpindle

COL system

Damped closing

© MAN Diesel A/S

ME-B Exhaust Valve

Controlled Oil Level (COL)

Sealing ring

Oil reservoir

Safety valve

adjustment 23 bar

New spindle guide

© MAN Diesel A/S

ME-B

Light Camshaft

OZS/2200/20061006

Gear wheel for starting air distributor

Exhaust cam

Chain wheel

© MAN Diesel A/S

ME-B

Light Camshaft

OZS/2200/20061006

Axial bearings

Overhanging

chain wheel

© MAN Diesel A/S

New tightener design

One single chain

Chain guide on tightener side

automatically adjusts position

when tightening the chain

3334304.2006.08.28 (2200/OZS)

ME-B

Chain Drive

© MAN Diesel A/S

ME-B

Chain Drive

Tightener wheel and guide way is

connected and ensures correct

guide way position during chain

tightening.

Chain tightening is applied by

pulling tightener wheel towards

starboard by means of a hydraulic

jack.

New chain

Older chain

Chain Tightener and

Guide Way Adjustment

© MAN Diesel A/S

Thrust Cam with Flex Edge

Flex edge

3334737.2007.02.08 (2200/OZS)

© MAN Diesel A/S

ME-B Thrust bearing

Flex edge on thrust cam

No Flex edge Flex edge

375 bar Max Pressure 165 bar

4 μm Min OFT 19 μm

© MAN Diesel A/S

ME-B

Turbocharger Arrangement Aft

Auxilliary blower housing

integrated in the

air cooler housing

© MAN Diesel A/S

ME-B Manoeuvring System

ME-B manoeuvring

system same as

the MC/MC-C system

except for:

Reversing

Safety stop

Governor actuator

Manuel idx control

2200/OZS/20061122

© MAN Diesel A/S

ME-B Engine Side Console (ESC)

2200/OZS/20070207

© MAN Diesel A/S

ME-B Test bench

2200/OZS/20070214

© MAN Diesel A/S

Small Bore MAN B&W Two-stroke Engines

OZS/2200/20061122

© MAN Diesel A/S

Educational Efforts

Simulators in Operation

3334000.2006.05.10 (2300/SBJ)

© MAN Diesel A/S

ME-B

Thank you for your

attention