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New Dual Fuel Ferry New Dual Fuel Ferry

New Dual Fuel Ferry - PowerPoint Presentation

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New Dual Fuel Ferry - PPT Presentation

Andrew Duncan James Anderson CMAL Project Team Preliminary Design Considerations of CalMac Ferries Ltd Capable of Serving Multiple Routes on West Coast Transport Scotland Requirements Brodick ID: 488493

fuel emissions gas vessels emissions fuel vessels gas restricted model refuelling ports dual compared current capable diesel shipyard tank vessel kw2 brodick

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Presentation Transcript

Slide1

New Dual Fuel Ferry Slide2

Andrew Duncan

James Anderson

CMAL Project Team Slide3

Preliminary Design Considerations of

CalMac

Ferries Ltd Slide4

Capable of Serving Multiple Routes on West Coast

Transport Scotland RequirementsSlide5

Brodick

Ardrossan

Gourock

Uig

Tarbert

Coll

Tiree

CastlebayLochboisdaleCraignureUllapoolStornowayObanLochmaddyColonsayPortsSlide6

Length Restricted to 102.4m

Beam Restricted to be able to operate from current linkspans

Draft Restricted to 3.4m (3.6m at a few ports)

RestrictionsSlide7

Development of SpecificationsSlide8

Special ConsiderationsSlide9

Design ChallengesSlide10

Shipyard TenderingSlide11

Initial Deployment

Vessel 1- Ardrossan -

Brodick

Vessel 2- Uig Triangle Slide12

Launched at Flensburg Shipyard, Germany

21 March 2014 by Mrs Joan Murray

New Vessels – Comparison with existing vessels

Hebrides

Caledonian

Isles

Loch Seaforth

New VesselsLength Overall9994117.9102.4Beam (inc.

belting)

16.3

16.3

19.8

17.5

Draught

3.2

3.2

4.8

3.4

Deadweight

624

704

1500

900

No of Cars

100

110

143

127/136

No of Passengers

612

1000

700

1000

Gross Tonnage

5506

52218680TBCService Speed16.514.519.216.5/14.5Main Engines2 x 3840 kW2 x 2163 kW2 x 4000 kWPlus 3 x 1520 kWAuxiliary2 x 3000 kWPlus 2 x 920 kWAuxiliarySlide13

The vessels are to be capable of running on dual fuel:

The flexibility of using Marine

Gas

Oil (MGO

)

and Liquid Natural

Gas (LNG) provide the opportunity to lower emissions and gives greater flexibility over future fuel costs. And allows the vessels to be operated at various ports.Using LNG as a fuel offers clear environmental benefits: The NOx emissions are at least 80% below the current IMO level

The amount of emitted particles are less than 10% compared to a conventional marine diesel engine running on

diesel

The SOx emissions are almost

negligible

Further, gas operation generates in general 25-30% lower CO

2

emissions compared to diesel

operation

However,

Methane

slip has to be avoided during the bunkering and combustion processes of the engines as

this

is damaging in the context of greenhouse

gases

Methane is 25 to 28 times more harmful than CO

2

Total CHG CO

2

equivalents including contribution from THC is 18 to 20% less than that for HFO

Why Dual

F

uel for Ferries Slide14

RefuellingSlide15

RefuellingSlide16

RefuellingSlide17

Gas Tank InstallationSlide18

Model Stern ArrangementSlide19

Ship ModelSlide20

Model Test TankSlide21

SimulationsSlide22

Build ProgrammeSlide23

Thank

you

Any Questions?