7th SHORTSEA-EURO Antwerp 2014 - Navigate Events · 7th SHORTSEA-EURO Antwerp 2014. Facing EEDI...
Transcript of 7th SHORTSEA-EURO Antwerp 2014 - Navigate Events · 7th SHORTSEA-EURO Antwerp 2014. Facing EEDI...
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CONOSHIP INTERNATIONAL:Eco-designs for Shortsea Vessels
10/06/2014 Ir Guus van der Bles3
7th SHORTSEA-EURO Antwerp 2014
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Facing EEDI with eCONOlogy
• Conoship International• Innovations in Ship Design• EEDI => Extreme Fuel Efficient
‘ConoDuctTail’ = eCONOlogical• Innovations in LNG
Program
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Facing EEDI with eCONOlogy
• Ir. Guus van der Bles: CONOSHIP & Ass.Prof. Delft University of Technology
• Drive: application of ‘eCONOlogical’ Innovations in Ship Design
• Focus R&D: eCONOmy & eCOlogy• Reduction of fuel & emissions• Propulsion on LNG & Wind-assisted• ConoSeaBow & ConoDuctTail
Introduction
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Facing EEDI with eCONOlogy
• Design Office since 1953 in The Netherlands, independent
• More than 2000 vessels built of our design
• Market Leader in Short Sea Ship Design
• Innovative designs , all ship types L = 30 – 130 m
• LNG Tanker 1100 m3
Conoship International
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Facing EEDI with eCONOlogy
• Implement practical innovations:• Reduce fuel consumption;• Dual Fuel engines, LNG
propulsion
• Client focus & interaction: ready to realize your vision
Design @ Conoship: combi of specialisms• Focus:• General Arrangement• Hull form & Speed-power
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Facing EEDI with eCONOlogyChallenge: Short Sea & Open Top - project cargo
< 3000 GT, OpenTop , Max m2
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Facing EEDI with eCONOlogySmallest mini Heavy Lift 2 x 120 ton < 3000 GT >18kn
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Facing EEDI with eCONOlogyLargest deck area for 85 m vessel
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Facing EEDI with eCONOlogySpecials
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Facing EEDI with eCONOlogyDredging vessels < 4500 m3
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Facing EEDI with eCONOlogyWorld smallest LNG Tanker
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Facing EEDI with eCONOlogyExtreme Fuel Efficient Short Sea Cargo Ships
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Facing EEDI with eCONOlogyHow to create an “EEDI Champion” ?
• Reduce fuel consumption• Maximize deadweight• Optimize eCONOlogy for
actual required service speed• Focus Conoship:– Hull form aft– Overall energy efficiency– Short sea, high Cb
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Facing EEDI with eCONOlogy3700 dwt, 10 kts, 749 kW installed: < 3 ton fuel/day !
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Facing EEDI with eCONOlogyExtreme Fuel Efficient: eCONOlogical optimization
ConoDuctTail:• Focus Conoship:
innovative hull forms !• Reduction of emissions
and fuel consumption• 1e focus: aftship
‘ConoDuctTail ‘• Goal: best overall
energy efficiency !(= different from lowest
resistance...)
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Facing EEDI with eCONOlogyR&D ConoDuctTail: TU Delft & Marin & Conoship
Integral CFD optimisation of aft-ship form, tunnel, nozzle &
propeller design– Maximum propeller diameter– Nozzle integrated in tunnel – Minimising resistance – Propeller design tuned to
high wake and maximumpropulsive efficiency
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Facing EEDI with eCONOlogyDevelopment ConoDuctTail (1):
CFD optimisation of aft-ship form & tunnel & nozzle & propeller design
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Facing EEDI with eCONOlogyDevelopment ConoDuctTail (2):
CFD optimisation of aft-ship form & tunnel & nozzle & propeller design
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Facing EEDI with eCONOlogyDevelopment ConoDuctTail (3):
CFD optimisation of aft-ship form & tunnel & nozzle & propeller design
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Facing EEDI with eCONOlogyDevelopment ConoDuctTail (4):
CFD optimisation of aft-ship form & tunnel & nozzle & propeller design
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Facing EEDI with eCONOlogyTheory & Practice ConoDuctTail : Lady Anna (1)
CFD optimisation: 17 % reduction in resistance10.8 kn Trail speed @ 749 kW MCR, at design
draught of 4.30 m => abt. 3000 TDW.
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Facing EEDI with eCONOlogyTheory & Practice ConoDuctTail : Lady Anna (2)
Service speed abt.10 kn, with 3000 to 3500 ton cargo, at average power below 700 kW
Fuel consumption less than 3.0 ton/day, trips reported at 2.7 ton/day !
Keeping of thrust inheavy seaways is fine !
EEDI = 11,3 gr CO2/ton.mile=> 60% of allowable Index
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Facing EEDI with eCONOlogyConoship eCONOlogical Retrofit Programm
• Slow steaming / lower speed -> reduction optimal RPM, increase of propellor-pitch ->
• eCONOptimization:• Frequency-convertor on PTO• Modify turbo on main engine• New Prop / gearbox / larger diameter CPP• Nozzle / Duct / Boss-cap• Modification bulb / aft ship / rudder
• CFD analysis => fuel reduction=> economical evaluation &
advice
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Facing EEDI with eCONOlogyLNG in Short Sea Shipping: Pioneer Knutsen
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Facing EEDI with eCONOlogyRecent R&D : LNG propulsion for Short Sea Ships
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Facing EEDI with eCONOlogyFeasibility Retrofit LNG in 4500 DWT MPP
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Facing EEDI with eCONOlogyLNG Tank innovation:
• Double walled Stainless Steel Type C tanks
• Vacuum isolated• Double walled piping• Inherently Gas Safe• Dual Fuel engines
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Facing EEDI with eCONOlogyTrailing Suction Hopper Dredger on LNG: feasibility study
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Facing EEDI with eCONOlogyNew Conoship Design LNG tanker
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Facing EEDI with eCONOlogy
• THANKS FOR YOUR ATTENTION
• QUESTIONS ?
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