W 12V46
Описание двигателя Wärtsilä 12V46
Wärtsilä 12V46 - двенадцатицилиндровый, V-образный, четырехтактный, реверсивный, с турбонаддувом и промежуточным охлаждением дизельный двигатель, с прямым впрыском топлива.
Технические характеристики
|
Wärtsilä 12V46 |
|
ME |
ME |
DE |
DE |
ME |
DE |
DE |
|
Cylinder output |
kW |
975 |
1050 |
1050 |
1050 |
1155 |
1155 |
1155 |
|
Engine speed |
rpm |
500 |
500 |
500 |
514 |
500 |
500 |
514 |
|
Engine output |
kW |
11700 |
12600 |
12600 |
12600 |
13860 |
13860 |
13860 |
|
Mean effective pressure |
MPa |
2.43 |
2.61 |
2.61 |
2.54 |
2.88 |
2.88 |
2.8 |
|
Combustion air system (Note 1) | ||||||||
|
Flow at 100% load |
kg/s |
20.6 |
21.4 |
21.4 |
21.8 |
24.3 |
24.3 |
24.8 |
|
Temperature at turbocharger intake, max. |
°C |
45 |
45 |
45 |
45 |
45 |
45 |
45 |
|
Temperature after air cooler (TE 601) |
°C |
40...70 |
40...70 |
40...70 |
40...70 |
40...70 |
40...70 |
40...70 |
|
Exhaust gas system (Note 2) | ||||||||
|
Flow at 100% load |
kg/s |
21.2 |
22.0 |
22.0 |
22.4 |
25.0 |
25.0 |
25.4 |
|
Flow at 85% load |
kg/s |
18.2 |
19.9 |
20.6 |
21.0 |
23.0 |
23.4 |
23.8 |
|
Flow at 75% load |
kg/s |
15.4 |
17.6 |
18.9 |
19.2 |
20.0 |
21.8 |
22.2 |
|
Flow at 50% load |
kg/s |
10.4 |
10.7 |
13.6 |
13.8 |
13.0 |
18.0 |
18.4 |
|
Temp. after turbo, 100% load (TE 517) |
°C |
380 |
380 |
380 |
375 |
390 |
390 |
390 |
|
Temp. after turbo, 85% load (TE 517) |
°C |
320 |
321 |
310 |
305 |
320 |
315 |
310 |
|
Temp. after turbo, 75% load (TE 517) |
°C |
340 |
318 |
305 |
300 |
320 |
315 |
310 |
|
Temp. after turbo, 50% load, BP open (TE 517) |
°C |
395 |
371 |
320 |
315 |
360 |
280 |
275 |
|
Backpressure, max. |
kPa |
3.0 |
3.0 |
3.0 |
3.0 |
3.0 |
3.0 |
3.0 |
|
Pipe diameter, min. |
mm |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
|
Calculated pipe diameter for 35 m/s |
mm |
1191 |
1213 |
1213 |
1220 |
1303 |
1303 |
1314 |
|
Heat balance at 100% load (Note 3) | ||||||||
|
Jacket water, HT-circuit |
kW |
1320 |
1420 |
1420 |
1420 |
1600 |
1600 |
1600 |
|
Charge air, HT-circuit |
kW |
2270 |
2640 |
2640 |
2640 |
3000 |
3000 |
3000 |
|
Charge air, LT-circuit |
kW |
1080 |
1190 |
1190 |
1190 |
1400 |
1400 |
1400 |
|
Lubricating oil, LT-circuit |
kW |
1380 |
1400 |
1400 |
1400 |
1500 |
1500 |
1500 |
|
Radiation |
kW |
280 |
295 |
295 |
295 |
320 |
320 |
320 |
|
Fuel system (Note 4) | ||||||||
|
Pressure before injection pumps (PT 101) |
kPa |
800...1000 |
800...1000 |
800...1000 |
800...1000 |
800...1000 |
800...1000 |
800...1000 |
|
Fuel flow to engine, approx. |
m3/h |
9.2 |
10.0 |
10.0 |
10.0 |
11.4 |
11.4 |
11.4 |
|
HFO viscosity before engine |
cSt |
20...24 |
20...24 |
20...24 |
20...24 |
20...24 |
20...24 |
20...24 |
|
MDF viscosity, min. |
cSt |
2.8 |
2.8 |
2.8 |
2.8 |
2.8 |
2.8 |
2.8 |
|
Max. HFO temperature before engine (TE 101) |
°C |
135 |
135 |
135 |
135 |
135 |
135 |
135 |
|
Clean leak fuel quantity, HFO at 100% load |
kg/h |
9.0 |
9.0 |
9.0 |
9.0 |
9.0 |
9.0 |
9.0 |
|
Clean leak fuel quantity, MDF at 100% load |
kg/h |
45.0 |
45.0 |
45.0 |
45.0 |
45.0 |
45.0 |
45.0 |
|
Fuel consumption at 100% load |
g/kWh |
175 |
176 |
176 |
176 |
183 |
183 |
183 |
|
Fuel consumption at 85% load |
g/kWh |
170 |
170 |
172 |
172 |
178 |
179 |
179 |
|
Fuel consumption at 75% load |
g/kWh |
170 |
170 |
172 |
172 |
178 |
180 |
180 |
|
Fuel consumption at 50% load |
g/kWh |
175 |
174 |
176 |
176 |
182 |
188 |
188 |
|
Lubricating oil system | ||||||||
|
Pressure before bearings, nom. (PT 201) |
kPa |
400 |
400 |
400 |
400 |
400 |
400 |
400 |
|
Pressure after pump, max. |
kPa |
800 |
800 |
800 |
800 |
800 |
800 |
800 |
|
Suction ability, including pipe loss, max. |
kPa |
40 |
40 |
40 |
40 |
40 |
40 |
40 |
|
Priming pressure, nom. (PT 201) |
kPa |
80 |
80 |
80 |
80 |
80 |
80 |
80 |
|
Temperature before bearings, nom. (TE 201) |
°C |
63 |
63 |
63 |
63 |
63 |
63 |
63 |
|
Temperature after engine, approx. |
°C |
78 |
78 |
78 |
78 |
78 |
78 |
78 |
|
Pump capacity (main), engine driven |
m3/h |
263 |
263 |
215 |
221 |
263 |
215 |
221 |
|
Pump capacity (main), electrically driven |
m3/h |
210 |
210 |
210 |
210 |
210 |
210 |
210 |
|
Oil flow through engine |
m3/h |
170 |
170 |
170 |
170 |
170 |
170 |
170 |
|
Priming pump capacity |
m3/h |
65 |
65 |
65 |
65 |
65 |
65 |
65 |
|
Oil volume in separate system oil tank |
m3 |
15.8 |
17.0 |
17.0 |
17.0 |
18.7 |
18.7 |
18.7 |
|
Oil consumption at 100% load |
g/kWh |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
0.5 |
|
Crankcase ventilation flow rate at full load |
l/min |
1900 |
1900 |
1900 |
1900 |
1900 |
1900 |
1900 |
|
Crankcase ventilation backpressure, max. |
Pa |
200 |
200 |
200 |
200 |
200 |
200 |
200 |
|
Oil volume in turning device |
l |
68...70 |
68...70 |
68...70 |
68...70 |
68...70 |
68...70 |
68...70 |
|
Oil volume in speed governor |
l |
1.9 |
1.9 |
1.9 |
1.9 |
1.9 |
1.9 |
1.9 |
|
High temperature cooling water system | ||||||||
|
Pressure at engine, after pump, nom. (PT 401) |
kPa |
250 + static |
250 + static |
250 + static |
250 + static |
250 + static |
250 + static |
250 + static |
|
Pressure at engine, after pump, max. (PT 401) |
kPa |
480 |
480 |
480 |
480 |
480 |
480 |
480 |
|
Temperature before cylinders, approx. (TE 401) |
°C |
74 |
74 |
74 |
74 |
74 |
74 |
74 |
|
Temperature after cylinders, approx. (TE 402) |
°C |
82 |
82 |
82 |
82 |
82 |
82 |
82 |
|
Temperature after charge air cooler, nom. |
°C |
91 |
91 |
91 |
91 |
91 |
91 |
91 |
|
Capacity of engine driven pump, nom. |
m3/h |
270 |
270 |
270 |
270 |
270 |
270 |
270 |
|
Pressure drop over engine, total |
kPa |
70 |
70 |
70 |
70 |
70 |
70 |
70 |
|
Pressure drop in external system, max. |
kPa |
150 |
150 |
150 |
150 |
150 |
150 |
150 |
|
Pressure from expansion tank |
kPa |
70...150 |
70...150 |
70...150 |
70...150 |
70...150 |
70...150 |
70...150 |
|
Water volume in engine |
m3 |
1.7 |
1.7 |
1.7 |
1.7 |
1.7 |
1.7 |
1.7 |
|
Low temperature cooling water system | ||||||||
|
Pressure at engine, after pump, nom. (PT 451) |
kPa |
250 |
250 |
250 |
250 |
250 |
250 |
250 |
|
Pressure at engine, after pump, max. (PT 451) |
kPa |
440 |
440 |
440 |
440 |
440 |
440 |
440 |
|
Temperature before engine, max. (TE 451) |
°C |
38 |
38 |
38 |
38 |
38 |
38 |
38 |
|
Temperature before engine, min. (TE 451) |
°C |
25 |
25 |
25 |
25 |
25 |
25 |
25 |
|
Capacity of engine driven pump, nom. |
m3/h |
270 |
270 |
270 |
270 |
270 |
270 |
270 |
|
Pressure drop over charge air cooler |
kPa |
30 |
30 |
30 |
30 |
30 |
30 |
30 |
|
Pressure drop in external system, max. |
kPa |
200 |
200 |
200 |
200 |
200 |
200 |
200 |
|
Pressure from expansion tank |
kPa |
70 ... 150 |
70 ... 150 |
70 ... 150 |
70 ... 150 |
70 ... 150 |
70 ... 150 |
70 ... 150 |
|
Starting air system | ||||||||
|
Pressure, nom. |
kPa |
3000 |
3000 |
3000 |
3000 |
3000 |
3000 |
3000 |
|
Pressure at engine during start, min. (20°C) |
kPa |
1000 |
1000 |
1000 |
1000 |
1000 |
1000 |
1000 |
|
Pressure, max. |
kPa |
3000 |
3000 |
3000 |
3000 |
3000 |
3000 |
3000 |
|
Low pressure limit in air vessels |
kPa |
1800 |
1800 |
1800 |
1800 |
1800 |
1800 |
1800 |
|
Consumption per start at 20°C (manual) |
Nm3 |
6.0 |
6.0 |
6.0 |
6.0 |
6.0 |
6.0 |
6.0 |
|
Consumption per start at 20°C, (with slowturn) |
Nm3 |
7.2 |
7.2 |
7.2 |
7.2 |
7.2 |
7.2 |
7.2 |
|
COMMON RAIL | ||||||||
|
Fuel oil system | ||||||||
|
Fuel flow to engine, approx. |
m3/h |
6.9 |
7.5 |
7.5 |
7.5 |
8.6 |
8.6 |
8.6 |
|
MDF viscosity, min. |
cSt |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
|
Clean leak fuel quantity, HFO at 100% load |
kg/h |
4.5 |
4.5 |
4.5 |
4.5 |
4.5 |
4.5 |
4.5 |
|
Clean leak fuel quantity, MDF at 100% load |
kg/h |
22.5 |
22.5 |
22.5 |
22.5 |
22.5 |
22.5 |
22.5 |
|
Clean leak fuel quantity at stop, max. |
l |
22 |
22 |
22 |
22 |
22 |
22 |
22 |
|
Lubricating oil system | ||||||||
|
Control oil flow, steady |
l/min |
6.0 |
6.0 |
6.0 |
6.0 |
6.0 |
6.0 |
6.0 |
|
Control oil flow, max. momentary |
l/min |
110 |
110 |
110 |
110 |
110 |
110 |
110 |
|
Starting air system | ||||||||
|
Consumption per start at 20°C (manual) |
Nm3 |
9.0 |
9.0 |
9.0 |
9.0 |
9.0 |
9.0 |
9.0 |
|
Consumption per start at 20°C, (with slowturn) |
Nm3 |
10.2 |
10.2 |
10.2 |
10.2 |
10.2 |
10.2 |
10.2 |
Notes:
Note 1 At ISO 3046-1 conditions (ambient air temperature 25°C, LT-water 25°C) and 100% load. Tolerance 5%.
Note 2 At ISO 3046-1 conditions (ambient air temperature 25°C, LT-water 25°C) and 100% load. Flow tolerance 5% and temperature tolerance 15°C.
Note 3 At ISO3046-1 conditions (ambient air temperature 25°C, LT-water 25°C) and 100% load. Tolerance for cooling water heat 10%, tolerance for radiation heat 30%. Fouling factors and a margin to be taken into ac- count when dimensioning heat exchangers.
Note 4 According to ISO 3046/1, lower calorific value 42 700 kJ/kg, without engine driven pumps. Tolerance 5%. Load according to propeller law for mechanical propulsion engines (ME).
Subject to revision without notice.
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