Speed | 900 rpm | 1,000 rpm | ||
---|---|---|---|---|
Frequency | 60 Hz | 50 Hz | ||
Eng.(kW) | Gen.(kW) | Eng.(kW) | Gen.(kW) | |
6H21/32 | 1,200 | 1,128 | 1,200 | 1,128 |
7H21/32 | 1,400 | 1,323 | 1,400 | 1,323 |
8H21/32 | 1,600 | 1,512 | 1,600 | 1,512 |
9H21/32 | 1,800 | 1,710 | 1,800 | 1,710 |
Based on alternator efficiency of 94 ~ 95 %.
Cyl. | Dimension(mm) | Dry Mass(ton) | ||||
---|---|---|---|---|---|---|
A | B | C | H | Engine | GenSet | |
6H21/32 | 3,781 | 1,896 | 5,677 | 2,781 | 15.1 | 26.1 |
7H21/32 | 4,235 | 1,900 | 6,135 | 2,781 | 16.7 | 28.6 |
8H21/32 | 4,453 | 2,175 | 6,628 | 2,911 | 18.4 | 29.1 |
9H21/32 | 4,783 | 2,265 | 7,048 | 2,911 | 19.8 | 31.7 |
Fuel | Pros | Cons |
CO2 (Tank to propeller, Oil is 1.0) |
TRL1) (Technology Readiness Level) |
Fuel Cost (ton) |
Eng. Cost (Main Engine, oil is 1.0) |
---|---|---|---|---|---|---|
LNG |
|
|
0.8 | 9 | $310 | 1.4 |
LPG |
|
|
0.9 | 9 | $340 | 1.5 |
Methanol |
|
|
0.9 | 6 | $410 | 1.5 |
Ammonia |
|
|
0.1 | 2 | $500 | 1.7 |
Hydrogen |
|
|
0.0 | - | Over $10,000 | N/A |
Fuel | Pros | Cons |
CO2 (Tank to propeller, Oil is 1.0) |
TRL1) (Technology Readiness Level) |
Fuel Cost (ton) |
Eng. Cost (Main Engine, oil is 1.0) |
---|---|---|---|---|---|---|
LNG |
|
|
0.8 | 9 | $310 | 1.4 |
LPG |
|
|
0.9 | 9 | $340 | 1.5 |
Methanol |
|
|
0.9 | 6 | $410 | 1.5 |
Ammonia |
|
|
0.1 | 2 | $500 | 1.7 |
Hydrogen |
|
|
0.0 | - | Over $10,000 | N/A |
Property | MGO | LNG | LPG | Methanol | L_NH3 | L_H2 |
---|---|---|---|---|---|---|
Flash point [℃] | 52 | -188 | -105 | 11 | 132 | -150 |
Auto ignition temperature [℃] | 250 | 595 | 459 | 464 | 651 | 535 |
Boiling point at 1 bar [℃] | 20 | -162 | -42 | 20 | -34 | -253 |
Low Heating Value [MJ/kg] | 42.7 | 50.0 | 46.0 | 19.9 | 18.6 | 120 |
Density at 1 bar [kg/m3] | 870 | 470 | 580 | 792 | 682 | 71 |
Energy density [MJ/L] | 36.6 | 21.2 | 26.7 | 14.9 | 12.7 | 8.5 |
Fuel tank size | 1.0 | 1.7 | 1.4 | 2.5 | 2.9 | 4.3 |
Ignition energy [MJ] | 0.23 | 0.28 | 0.25 | 0.14 | 8 | 0.011 |
Flammable concentration range in the air [%] | 0.6 - 7.5 | 5 - 15 | 2.2 - 9.5 | 5.5 - 44 | 15 - 28 | 4 -75 |
Property | MGO | LNG | LPG | Methanol | L_NH3 | L_H2 |
---|---|---|---|---|---|---|
Flash point [℃] | 52 | -188 | -105 | 11 | 132 | -150 |
Auto ignition temperature [℃] | 250 | 595 | 459 | 464 | 651 | 535 |
Boiling point at 1 bar [℃] | 20 | -162 | -42 | 20 | -34 | -253 |
Low Heating Value [MJ/kg] | 42.7 | 50.0 | 46.0 | 19.9 | 18.6 | 120 |
Density at 1 bar [kg/m3] | 870 | 470 | 580 | 792 | 682 | 71 |
Energy density [MJ/L] | 36.6 | 21.2 | 26.7 | 14.9 | 12.7 | 8.5 |
Fuel tank size | 1.0 | 1.7 | 1.4 | 2.5 | 2.9 | 4.3 |
Ignition energy [MJ] | 0.23 | 0.28 | 0.25 | 0.14 | 8 | 0.011 |
Flammable concentration range in the air [%] | 0.6 - 7.5 | 5 - 15 | 2.2 - 9.5 | 5.5 - 44 | 15 - 28 | 4 -75 |