W 18V32

Wärtsilä 18V32  IMO Tier 2

AE/DE

AE/DE

ME

Engine speed

RPM

720

750

750

Cylinder output

kW/cyl

480

500

500

Engine output

kW

8640

9000

9000

Mean effective pressure

MPa

2,49

2,49

2.49

Combustion air system (Note 1)

Flow at 100% load

kg/s

14,8

15,66

15.61

Temperature at turbocharger intake, max.

°C

45

45

45

Air temperature after air cooler (TE 601)

°C

55

55

55

Exhaust gas system (Note 2)

Flow at 100% load

kg/s

15,26

16,14

16.14

Flow at 85% load

kg/s

14,48

15,3

14.87

Flow at 75% load

kg/s

13,05

13,84

13.05

Flow at 50% load

kg/s

9,45

9,79

11.14

Temperature after turbocharger, 100% load (TE 517)

°C

384

379

379

Temperature after turbocharger, 85% load (TE 517)

°C

331

325

331

Temperature after turbocharger, 75% load (TE 517)

°C

330

325

350

Temperature after turbocharger, 50% load (TE 517)

°C

354

345

317

Backpressure, max.

kPa

3,0

3,0

3.0

Calculated pipe diameter for 35m/s

mm

1014

1039

1039

Heat balance (Note 3)

Jacket water, HT-circuit

kW

1423

1512

1512

Charge air, HT-circuit

kW

1373

1440

1440

Charge air, LT-circuit

kW

1091

1193

1193

Lubricating oil, LT-circuit

kW

1035

1091

1091

Radiation

kW

260

260

260

Fuel system (Note 4)

Pressure before injection pumps (PT 101)

kPa

700±50

700±50

700±50

Fuel flow to engine, approx.

m³/h

8,7

9,1

9,1

HFO viscosity before engine

cSt

16...24

16...24

16...24

HFO temperature before engine, max. (TE 101)

°C

140

140

140

MDF viscosity, min

cSt

2,0

2,0

2.0

MDF temperature before engine, max. (TE 101)

°C

45

45

45

Fuel consumption at 100% load

g/kWh

182

183

183

Fuel consumption at 85% load

g/kWh

180

180

180

Fuel consumption at 75% load

g/kWh

180

181

180

Fuel consumption at 50% load

g/kWh

191

191

189

Clean leak fuel quantity, MDF at 100% load

kg/h

33,0

34,6

34.6

Clean leak fuel quantity, HFO at 100% load

kg/h

6,6

6,9

6,9

Lubricating oil system

Pressure before bearings, nom. (PT 201)

kPa

500

500

500

Suction ability main pump, including pipe loss, max.

kPa

40

40

40

Priming pressure, nom. (PT 201)

kPa

50

50

50

Suction ability priming pump, including pipe loss, max.

kPa

35

35

35

Temperature before bearings, nom. (TE 201)

°C

63

63

63

Temperature after engine, approx.

°C

81

81

81

Pump capacity (main), engine driven

m³/h

173

180

180

Pump capacity (main), stand-by

m³/h

144

150

150

Priming pump capacity, 50Hz/60Hz

m³/h

38,0 / 45,9

38,0 / 45,9

38.0 / 45.9

Oil volume, wet sump, nom.

m³

4,3

4,3

4.3

Oil volume in separate system oil tank, nom.

m³

11,7

12,2

12.2

Oil consumption (100% load), approx.

g/kWh

0,5

0,5

0.5

Crankcase ventilation flow rate at full load

l/min

2970

2970

2970

Crankcase ventilation backpressure, max.

kPa

0,4

0,4

0.4

Oil volume in turning device

liters

8,5...9,5

8,5...9,5

8.5...9.5

Oil volume in speed governor

liters

1,9

1,9

1.9

Cooling water system

High temperature cooling water system

Pressure at engine, after pump, nom. (PT 401)

kPa

250 + static

250 + static

250 + static

Pressure at engine, after pump, max. (PT 401)

kPa

530

530

530

Temperature before cylinders, approx. (TE 401)

°C

85

85

85

HT-water out from engine, nom (TE432)

°C

96

96

96

Capacity of engine driven pump, nom.

m³/h

160

160

150

Pressure drop over engine, total

kPa

150

150

150

Pressure drop in external system, max.

kPa

60

60

60

Pressure from expansion tank

kPa

70...150

70...150

70...150

Water volume in engine

m³

0,89

0,89

0,89

Low temperature cooling water system

Pressure at engine, after pump, nom. (PT 451)

kPa

250 + static

250 + static

250 + static

Pressure at engine, after pump, max. (PT 451)

kPa

530

530

530

Temperature before engine (TE 451)

°C

25 ... 38

25 ... 38

25 ... 38

Capacity of engine driven pump, nom.

m³/h

130

130

150

Pressure drop over charge air cooler

kPa

35

35

35

Pressure drop over oil cooler

kPa

20

20

20

Pressure drop in external system, max.

kPa

60

60

60

Pressure from expansion tank

kPa

70 ... 150

70 ... 150

70 ... 150

Starting air system (Note 5)

Pressure, nom.

kPa

3000

3000

3000

Pressure at engine during start, min. (20°C)

kPa

1500

1500

1500

Pressure, max.

kPa

3000

3000

3000

Low pressure limit in air vessels

kPa

1800

1800

1800

Air consumption per start

Nm³

4,0

4,0

-

Air consumption per start without propeller shaft engaged

Nm³

-

-

4,0

Air consumption per start with propeller shaft engaged

Nm³

-

-

6,4