8M43C
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Описание двигателя:
8M43C представляет собой восьмицилиндровый, рядный, четырехтактный, дизельный двигатель, нереверсивный, с турбонаддувом, промежуточным охлаждением и с прямым впрыском топлива.
Буква "С" в названии модели означает возможность работы двигателя на тяжелом топливе (до 700 сСт при 50 °С).
Технические характеристики
| Technical data 8M43C | ||
| Performance Data | ||
| Maximum continuous rating acc. ISO 3046/1 | kW | 8000 |
| Speed | 1/min | 500/514 |
| Minimum speed | 1/min | 300 |
| Brake mean effective pressure | bar | 27,1/26,4 |
| Charge air pressure | bar | 3,65 |
| Firing pressure | bar | 208 |
| Combustion air demand (ta = 20⁰C) | m³/h | 43920 |
| Specific fuel oil consumption | ||
| Propeller / n = const 1) 100% | g/kWh | 176 |
| 85% | g/kWh | 175 |
| 75% | g/kWh | -/177 |
| 50% | g/kWh | -/184 |
| Lube oil consumption 2) | g/kWh | 0,6 |
| NOx - emission 6) | g/kWh | 10 |
| Turbocharger type | ABB TPL76 | |
| Fuel | ||
| Engine driven booster pump | m³/h /bar | — |
| Stand-by booster pump | m³/h /bar | 5,6/10 |
| Mesh size MDO fine filter | mm | 0,025 |
| Mesh size HFO automatic filter | mm | 0,01 |
| Mesh size HFO fine filter | mm | 0,034 |
| Lubricating Oil | ||
| Engine driven pump | m³/h /bar | 203/10 |
| Independent pump | m³/h /bar | 160/10 |
| Working pressure at engine inlet | bar | 4-5 |
| Independent suction pump | m³/h /bar | 240/3 |
| Priming pump pressure/suction pump | m³/h /bar | 20/5 |
| Sump tank content/dry sump content | m³ | 11,2 |
| Temperature at engine inlet | ⁰C | 60-65 |
| Temperature controller NB | mm | 150 |
| Double filter NB | mm | 150 |
| Mesh size double filter | mm | 0,08 |
| Mesh size automatic filter | mm | 0,03 |
| Fresh water cooling | ||
| Engine content | m³ | 0,8 |
| Pressure at engine inlet min/max | bar | 2,5/6,0 |
| Headertank capacity | m³ | 0,6 |
| Temperature at engine outlet | ⁰C | 80-90 |
| Two-circuit system | ||
| Engine driven pump HT | m³/h /bar | — |
| Independent pump HT | m³/h /bar | 120/4,6 |
| HT-controller NB | mm | 150 |
| Water demand LT-charge air cooler | m³/h | 100 |
| Temperature at LT-charger air cooler inlet | ⁰C | 38 |
| Heat dissipation | ||
| Specific jacket water heat | kJ/kW | 500 |
| Specific lube oil heat | kJ/kW | 490 |
| Lube oil cooler | kW | 1090 |
| Jacket water | kW | 1115 |
| Charge air cooler (HT-stage) 3) | kW | 2606 |
| Charge air cooler (LT-stage) 3) | kW | 593 |
| Heat radiation engine | kW | 330 |
| Exhaust gas | ||
| Silencer/spark arrester NB | mm | 1000 |
| Pipe diameter NB afterturbine | mm | 1000 |
| Exhaust gas temp after turbine (25⁰C intake air) 5) | ⁰C | 311 |
| Exhaust gas mass flow (25⁰C intake air) 5) | kg/h | 54285 |
| Maximum exhaust gas pressure drop | bar | 0,03 |
| Starting air | ||
| Starting air pressure max. | bar | 30 |
| Minimum starting air pressure | bar | 14 |
| Air consumption per start 4) | Nm³ | 3 |
| Max. crankcase pressure, nominal diameter ventilation pipe | mmWs/ mm | 15/160 |
| 1) Reference conditions: | ||
| LCV = 42700 kJ/kg ambient temperature 25 ⁰C | ||
| charge air coolant temperature 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 ambient temperature | ||
| 4) Preheated engine | ||
| 5) Tolerance 10 % rel. humidity 60 % | ||
| 6) MARPOL 73/78 Annex VI, Cycle E2, E3, D2 |
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