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Japanese Ship Technology: Ice-breakers and Environmentally Friendly Ships

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Japanese Ship Technology: Ice-breakers and Environmentally Friendly Ships H.Kitagawa Ocean Policy Research Institute Tokyo Shin-Aitoku Maru, in the 1980s Marine eco ... – PowerPoint PPT presentation

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Title: Japanese Ship Technology: Ice-breakers and Environmentally Friendly Ships


1
Japanese Ship TechnologyIce-breakers and
Environmentally Friendly Ships
  • H.Kitagawa
  • Ocean Policy Research Institute
  • Tokyo

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Shin-Aitoku Maru, in the 1980s
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Marine eco-technologies
NYKs Ship in 2030 L353m Main power fuel
cell Aux.power wind energy and solar
energy Reduction of CO2 69
solar panels
wind energy
bubbles
current
At MHI, 30 Nov., 2010
Building of micro-bubble coating ship in service
in 2010
cur.simul.
Real time data
9
Air Lubrication System for a Module Carrier,
Hinode-Yusen Co.
Micro-air bubbles, to reduce frictional resistance
(NYK, 2010)
10
A Goal to Environmentally Friendly Maritime
Transport
330
CO2 emission/ton-mile
300
cargo volume
200
100
100
total amount of CO2 emission
ratio of CO2/cargo
50
15
0
2010 2020
2030 2040
2050
year
(after NYK, 2010)
11
Roadmap to Utilization of Environmentally
Friendly Energy for Ships
By solar, wind, etc. energy
Energy required for propulsion
(2 5 MW)
60 MW
100
CO2 emission
Required energy
40 MW
31
hydrogen
crude oil
methanol
LNG
0
2010 2020 2030
2040 2050
diesel engine
fuel-cell engine
(after NYK, 2010)
12
Possible ways to goal final propulsion systems of
vessels
Further Improvement of propulsion system hull,
propulsion device, engine Multi-
diesels-electric (AC) propulsion system
Hybrid-multi-diesel-electric (AC) propulsion
system fuel cells Ethanol-mixed fuel,
multi-diesel-electric (AC) propulsion system
LNG/Ethanol fuel, multi-diesel-electric
(AC) propulsion system Fuel
cells propulsion / Nuclear power propulsion
Hydrogen engine
Superconductor engine (normal temperature)
Ion engine
?
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