8M32
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Описание двигателя:
8M32 представляет собой восьмицилиндровый четырехтактный дизельный двигатель, нереверсивный, с турбонаддувом, промежуточным охлаждением и с прямым впрыском топлива.
Технические характеристики
| Technical data 8M32 | ||
| Performance data | ||
| Maximum continous rating acc. ISO 3046/1 | kW | 4000 |
| Speed | 1/min | 600 |
| Minimum speed | 1/min | 360 |
| Brake mean effektive pressure | bar | 25,9 |
| Charge air pressure | bar | 3,8 |
| Firing pressure | bar | 200 |
| Combustion air demand (ta = 20 ⁰C) | m³/h | 23350 |
| Specific fuel oil consumption | ||
| n = const 1) 100 % | g/kWh | 178 |
| 85 % | g/kWh | 177 |
| 75 % | g/kWh | 181 |
| 50 % | g/kWh | 190 |
| Lubricating oil consumption 2) | g/kWh | 0,6 |
| NOx emission 6) | g/kWh | 9,5 |
| Turbocharger type | ABB TPL67 | |
| Fuel | ||
| Engine driven booster pump | m³/h /bar | 3,2/5 |
| Stand-by booster pump | m³/h /bar | 2,9/10 |
| Mesh size MDO fine filter | mm | 0,025 |
| Mesh size HFO automatic filter | mm | 0,01 |
| Mesh size HFO fine filter | mm | 0,034 |
| Nozzle cooling by lubricating oil system | ||
| Lubricating oil | ||
| Engine driven pump | m³/h /bar | 118/10 |
| Independent pump | m³/h /bar | 90/10 |
| Working pressure on engine inlet | bar | 4 - 5 |
| Engine driven suction pump | m³/h /bar | 140/3 |
| Independent suction pump | m³/h /bar | 80/3 |
| Priming pump pressure | m³/h /bar | 11/5 |
| Sump tank content/dry sump content | m³ | 5,4 |
| Temperature at engine inlet | ⁰C | 60-65 |
| Temperature controller NB | mm | 100 |
| Double filter NB | mm | 80 |
| Mesh size double filter | mm | 0,08 |
| Mesh size automatic filter | mm | 0,03 |
| Fresh water cooling | ||
| Engine content | m³ | 0,95 |
| Pressure at engine inlet min/max | bar | 4,5/6,0 |
| Header tank capacity | m³ | 0,45 |
| Temperature at engine outlet | ⁰C | 80 - 90 |
| Two circuit system | ||
| Engine driven pump HT | m³/h /bar | 70/4,5 |
| Independent pump HT | m³/h /bar | 70/4,0 |
| HT-Controller NB | mm | 100 |
| Water demand LT-charge air cooler | m³/h | 60 |
| Temperature at LT-charge air cooler inlet | ⁰C | 38 |
| Heat Dissipation | ||
| Specific jacket water heat | kJ/kW | 500 |
| Specific lub oil heat | kJ/kW | 525 |
| Lub oil cooler | kW | 590 |
| Jacket water | kW | 550 |
| Charge air cooler (HT-Stage) 3) | kW | 1530 |
| Charge air cooler (LT-Stage) 3) | kW | 440 |
| (HT-Stage before engine) | ||
| Heat radiation engine | kW | 190 |
| Exhaust gas | ||
| Silencer/spark arrester NB | mm | 700 |
| Pipe diameter NB after turbine | mm | 700 |
| Maximum exhaust gas pressure drop | bar | 0,03 |
| Exhaust gas temperature after turbine (intake air 25 ⁰C) 5) | ⁰C | 315 |
| Exhaust gas mass flow (intake air 25 ⁰C) | kg/h | 28860 |
| Starting air | ||
| Starting air pressure max. | bar | 30 |
| Minimum starting air pressure | bar | 10 |
| Air consumption per Start 4) | Nm³ | 1,2 |
| 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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