9M20C
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9M20C представляет собой девятицилиндровый четырехтактный дизельный двигатель, нереверсивный, с турбонаддувом, промежуточным охлаждением и с прямым впрыском топлива.
Технические характеристики
Technical data 9M20C | |||
Performance Data | |||
Maximum continuous rating acc. ISO 3046/1 | kW | 1530 | 1710 |
Speed | 1/min | 900 | 1000 |
Minimum speed | 1/min | 280 | 300 |
Brake mean effective pressure | bar | 24,06 | 24,20 |
Charge air pressure | bar | 3,30 | 3,40 |
Firing pressure | bar | 185 | 185 |
Combustion air demand (ta = 20⁰C) | m³/h | 10395 | 10663 |
Specific fuel oil consumption n = const 1) | |||
100% | g/kWh | 189 | 190 |
85% | g/kWh | 188 | 189 |
75% | g/kWh | 190 | 190 |
50% | g/kWh | 203 | 202 |
Lubricating oil consumption 2) | g/kWh | 0,60 | |
NOx emission 6) | g/kWh | 8,50 | |
Turbochargertype | KBB HPR4000 | ||
Fuel | |||
Engine driven booster pump | m³/h /bar | 1,2/5 | |
Stand-by booster pump | m³/h /bar | 1,2/10 | |
Mesh size MDO fine filter | mm | 0,025 | |
Mesh size HFO automatic filter | mm | 0,010 | |
Mesh size HFO fine filter | mm | 0,034 | |
Lubricating Oil | |||
Engine driven pump | m³/h /bar | 52,5/10 | 58,8/10 |
Independent pump | m³/h /bar | 45/10 | |
Working pressure at engine inlet | bar | 4-5 | |
Independent suction pump | m³/h /bar | -- | |
Priming pump pressure/suction pump | m³/h /bar | 8/5/10/3 | |
Sump tank content/dry sump content | m³ | 2,6/0,5 | |
Temperature at engine inlet | ⁰C | 55-65 | |
Temperature controller NB | mm | -- | |
Double filter NB | mm | 65/65 | |
Mesh size double filter | mm | -- | |
Mesh size automatic filter | mm | 0,030 | |
Fresh water cooling | |||
Engine content | m³ | 0,180 | |
Pressure at engine inlet min/max | bar | 2,5/6,0 | |
Headertank capacity | m³ | 0,10 | |
Temperature at engine outlet | ⁰C | 80-90 | |
Two-circuit system | |||
Engine driven pump HT | m³/h /bar | 35/3,4 | 40/4,2 |
Independent pump HT | m³/h /bar | 45/4,0 | |
HT-controller NB | mm | 65 | |
Water demand LT-charge air cooler | m³/h | 40/3,2 | 45/4,0 |
Temperature at LT-charger air cooler inlet | ⁰C | 38 | |
Heat dissipation | |||
Specific jacket water heat | kJ/kW | 550 | |
Specific lube oil heat | kJ/kW | 500 | |
Lube oil cooler | kW | 213 | 238 |
Jacket water | kW | 234 | 261 |
Charge air cooler 3) | kW | 690 | 728 |
Heat radiation engine | kW | 78 | |
Exhaust gas | |||
Silencer/spark arrester NB 25 dBA | mm | 500 | |
Pipe diameter NB afterturbine | mm | 500 | |
Maximum exhaust gas pressure drop | bar | 0,030 | |
Exhaust gas temp after turbine (25⁰C intake air) 5) | ⁰C | 300 | 337 |
Exhaust gas mass flow (25⁰C intake air)5) | kg/h | 1285 | 1318 |
Exhaust gas temp after turbine (25⁰C intake air) 5) | ⁰C | 320 | |
Exhaust gas mass flow (45⁰C intake air) 5) | kg/h | 12120 | 12435 |
Starting air | |||
Starting air pressure max. | bar | 30 | |
Minimum starting air pressure | bar | 7 | |
Air consumption per start 4) | Nm³ | 0,50 | |
Max. crankcase pressure nominal diameter ventilation pipe | mmWs/ mm | 25/50 | |
1) Reference conditions: LCV = 42700 kJ/kg ambient temperature 25 ⁰C | |||
charge air coolanttemperature 25 ⁰C tolerance 5 % | |||
+ 1 % for engine driven pump | |||
2) Standard value tolerance ± 0.3 g/kWh related on full load | |||
3) Charge air heat based on 45 ⁰C ambienttemperature | |||
4) Preheated engine | |||
5) Tolerance 10 % rel. humidity 60 % | |||
6) MARPOL 73/78 Annex VI Cycle E2 E3 D2 |
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