Table 5 Ship Parameters for two types of chemical ships
From: Investment decisions under uncertainty on LNG-powered vessels for environmental compliance
Options | Unit | Traditional Typea | New Typeb |
|---|---|---|---|
Oil ship with SCR | LNG fuelled ship with SCR | ||
Main engines and propulsion | |||
 Engine speed | – | Low | Low |
 Engine type | – | Diesel | Dual Fuel Diesel |
 Propulsion system | – | Direct | Direct |
Auxiliary engine | |||
 Engine speed | – | Medium | Medium |
 Engine type | – | Diesel | Dual Fuel gas |
 Fuel (in ECA) | – | LSFO (0.1% S) | LNG, LSFO |
 Off ECA | – | MGO (0.5% S) | LNG |
SCR | Â | Installed | Installed |
 Deadweight | DWT | 19,000 | 19,000 |
 Speed | Knot | 13.3 | 13.3 |
 Days at sea | Days | 35 | 35 |
 Days at ports | Days | 13 | 13 |
 Fuel consumption at sea | Tonnes/day | 23.7 | 20.88 |
 Fuel consumption at port(MGO) | Tonnes/day | 9.4 | 3.12 |