Nominal rated engine (L
1
)
high efficiency
1 x MAN TCA66-24
Specified MCR (M)
high efficiency
1 x MAN TCA55-26
Shaft power at MCR kW 10,680 9,612
Engine speed at MCR r/min 117.0 111.2
Pumps:
Fuel oil circulating m
3
/h 5.0 4.7
Fuel oil supply m
3
/h 2.9 2.6
Jacket cooling water m
3
/h 97 97
Central cooling water m
3
/h 256 233
Seawater m
3
/h 326 293
Lubricating oil m
3
/h 220 220
Coolers:
Scavenge air cooler
Heat dissipation kW 4,080 3,566
Central cooling water flow m
3
/h 146 128
Lub. oil cooler
Heat dissipation kW 900 862
Lubricating oil flow m
3
/h 220 220
Central cooling water flow m
3
/h 110 105
Jacket water cooler
Heat dissipation kW 1,690 1,558
Jacket cooling water flow m
3
/h 97 97
Central cooling water flow m
3
/h 110 105
Central cooler
Heat dissipation kW 6,670 5,986
Central cooling water flow m
3
/h 256 233
Seawater flow m
3
/h 326 293
Fuel oil heater:
kW 84 75
Gases at ISO ambient conditions*
Exhaust gas amount kg/h 80,800 72,600
Exhaust gas temperature °C 235 231
Air consumption kg/s 21.0 19.8
Starting air system: 30 bar (gauge)
Reversible engine
Receiver volume (12 starts) m
3
2 x 5.0 2 x 5.0
Compressor capacity, total m
3
/h 300 300
Non-reversible engine
Receiver volume (6 starts) m
3
2 x 2.5 2 x 2.5
Compressor capacity, total m
3
/h 150 150
Exhaust gas tolerances: temperature ±5 °C and amount ±15%
The air consumption and exhaust gas figures are expected and refer to 100% specified MCR,
ISO ambient reference conditions and the exhaust gas back pressure 300 mm WC
The exhaust gas temperatures refer to after turbocharger
* Calculated in example 3, in this chapter
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