application of maritime knowledgeapplication of maritime knowledge
TRANSCRIPT
Application of Maritime KnowledgeApplication of Maritime Knowledge for Offshore Renewable Energy
Bas BuchnerBas Buchner
MARIN OrganisationMARIN Organisation
– Since 1932Fo nded b D tch Shipping ind str– Founded by Dutch Shipping industry
– Based in Wageningen – Independent foundation– One of the 4 large technological institutes in The
Netherlands (Deltares, ECN, MARIN, NLR)– 300 peoplep p– Turnover ~35 MEuro– Applied hydrodynamic and nautical research
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MARIN objective: safe and economic structuresMARIN objective: safe and economic structures
Simulations Model tests Training Full scale Simulations Model tests Training Full scale
Geoptimaliseerde concepten Veilige en efficiënte operaties Optimised concepts Safe and efficient operations
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Maritime knowledge: shipsMaritime knowledge: ships
YachtsCruise and ferry
Merchant shipsNavy ships
4Special purpose vessels Inland ships
Maritime knowledge: offshore structuresMaritime knowledge: offshore structures
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Renewable ENergy Team (RENT)Renewable ENergy Team (RENT)
Innovative use of MARIN’s maritime knowledge in
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Innovative use of MARIN s maritime knowledge in offshore renewable energy
Maritime knowledge: research fieldsMaritime knowledge: research fields
Extreme environments
Wave problems Flow problems(‘potential flow’)
p(‘viscous flow’)
Coupled dynamics of N structures
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Automatic and human control
Maritime knowledge: research fieldsMaritime knowledge: research fields
Extreme environments
Wave problems Flow problems(‘potential flow’)
p(‘viscous flow’)
Coupled dynamics of N structures
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Automatic and human control
Multi scale testing South Arne jacket fatigue loadsMulti-scale testing South Arne jacket fatigue loads
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Small scale: effect of the GBS on waves (1:60)Small scale: effect of the GBS on waves (1:60)
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Large scale: scale effects slender members (1:5)Large scale: scale effects slender members (1:5)
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Large scale: scale effects slender members (1:5)Large scale: scale effects slender members (1:5)
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A link with offshore windA link with offshore wind
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Maritime knowledge: research fieldsMaritime knowledge: research fields
Extreme environments
Wave problems Flow problems(‘potential flow’)
p(‘viscous flow’)
Coupled dynamics of N structures
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Automatic and human control
Extreme wave loads on floating structures (CresT)Extreme wave loads on floating structures (CresT)
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Extreme wave loads on floating structures (CresT)Extreme wave loads on floating structures (CresT)
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A link with offshore windA link with offshore wind
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Maritime knowledge: research fieldsMaritime knowledge: research fields
Extreme environments
Wave problems Flow problems(‘potential flow’)
p(‘viscous flow’)
Coupled dynamics of N structures
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Automatic and human control
Vortex Induced Motions (VIM)Vortex Induced Motions (VIM)
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Maritime knowledge: research fieldsMaritime knowledge: research fields
Extreme environments
Wave problems Flow problems(‘potential flow’)
p(‘viscous flow’)
Coupled dynamics of N structures
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Automatic and human control
Complex offshore installationsComplex offshore installations
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Complex offshore installationsComplex offshore installations
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Dynamic Positioning installation vesselsDynamic Positioning installation vessels
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Concrete involvement offshore wind
2003: ‘DrijfWind’ (or FloatWind)
Concrete involvement offshore wind
– ECNMARIN– MARIN
– GustoMSCTNO Bouw– TNO Bouw
– TU Delft
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Concrete involvement offshore windConcrete involvement offshore wind
– Wind turbine installation vessels– Sway floating wind– Cantabria floating wind– DeepCwind Maine floating wind
(2011)EU j D i d (2011)– EU project Deepwind (2011)
– GustoMSC-ECN-MARIN floating wind tool MIP project
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wind tool MIP project
Turbine testing wind set upTurbine testing wind set up
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ECN and MARINECN and MARIN
Combining knowledge to assist in reliable offshore development
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MARIN and Joint Industry Projects (JIPs)MARIN and Joint Industry Projects (JIPs)
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Discover problems before they are thereDiscover problems before they are there
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Background researchBackground research…
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Joint Industry Project researchJoint Industry Project research…
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To be in time for actual projectsTo be in time for actual projects…
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JIP initiativesJIP initiatives
– Wave impacts on Fixed turbines (WiFi)– Wind Jack
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WiFi JIP: Wave impacts on Fixed turbinesWiFi JIP: Wave impacts on Fixed turbines
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BackgroundBackground
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ObjectivesObjectives
– Determine impulsive loads in steep and breaking waves
– Determine dynamic response of (flexible) f d ti /t (i l di il d i dfoundations/towers (including soil and wind damping effects)Determine effects of dynamics on wind turbine– Determine effects of dynamics on wind turbine equipment
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ApproachApproach
– Numerical simulation of breaking wave loads (ComFlow)
– Coupling load and structural response model– Investigation of soil effects– Basin validation
I i i f ff bi– Investigation of effects on turbine
I l i i d i th d l38
=> Inclusion in design methodology
JIP Wind JackJIP Wind Jack
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ObjectivesObjectives
– Understanding limiting operational aspects for jacking operations
– Broadening operational windows– Bringing together knowledge from different fields– Making knowledge available for the growing
offshore wind industryoffshore wind industry
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Items of interestItems of interest
– Scour– Shallow water effects– Fatigue of legs due to frequent jacking operations
I t l d d i t h d– Impact loads during touch down– Soil compaction / Leg retrieval
Motions of leg tip before touch down– Motions of leg tip before touch down– Dynamic response in jacked position– Jacking in high seas
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Jacking in high seas– Dynamic positioning
ContactContact
MARINChristian Schmittner ([email protected])DELTARESKlaas-Jan Bos ([email protected])
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