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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-technologies. NYK’s Ship in 2030 L=353m Main power: fuel cell Aux.power: wind energy and solar energy

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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 l.jpg

Japanese Ship Technology:Ice-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

NYK’s Ship in 2030

L=353m

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


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Air Lubrication System for a Module Carrier,

Hinode-Yusen Co.

Micro-air bubbles,

to reduce frictional resistance

(NYK, 2010)


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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)


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Roadmap to Utilization of Environmentally Friendly Energy

for Ships

Energy required for propulsion

By solar, wind, etc. energy

(2 – 5 MW)

100

60 MW

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)


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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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