SHARKS Kickoff Meeting
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Hydromine PI, Westergaard Solutions, Inc. SHARKS Kickoff Meeting 8MW floating wind turbines are being proto type tested Weight 4600 ton Draft: 18 meter 8MW HydroMINE platform Weight: 2650 ton Draft: 18 meter The vision: Leveraging Hydromine modularity and scalability to create solutions from small systems to large platforms with multiple Hydromine units that can compete with existing and future solutions Comparatively, Hydromine can be close to shore, increasing value of energy and lower cost of energy with smaller foot print than alternatives, and it is SIMPLE !
Transcript of SHARKS Kickoff Meeting
HydrominePI, Westergaard Solutions, Inc.
SHARKS Kickoff Meeting
8MW floating wind turbines are being proto type testedWeight 4600 tonDraft: 18 meter
8MW HydroMINE platformWeight: 2650 tonDraft: 18 meter
The vision: Leveraging Hydromine modularity and scalability to create solutions from small systems to large platforms with multiple Hydromine units that can compete with existing and future solutions
Comparatively, Hydromine can be close to shore, increasing value of energy and lower cost of energy with smaller foot print than alternatives, and it is SIMPLE !
Hydromine team and core tech.
‣ Hydromine is highly scalable and modular and can in principle respond to all of the benchmark cases (S1-S4, river/tidal, small/large), exceeding the LCOE goals in each case
‣ Our preliminary assessment is that bigger is better, leveraging the motionless concept, but firstly we will use the benchmarks and the metric space to prove that thesis
‣ Conceptually, Hydromine is extremely robust and solves fundamental problems for hydrokinetics, lowering OPEX dramatically
Direct drive generator
Drive shaft
Internal propeller
Water intake
Perforated hollow hydrofoils Equivalent
rotor area
Key Contribution Lead
Westergaard Concepts Carsten Westergaard [email protected]
Sandia Modeling, optimization and performance testing
Brent [email protected]
MARIN World leader in naval testing Arjan [email protected]
UC Berkeley National energy system impact Prof. Daniel [email protected]
Atkins Offshore design engineering Ikpoto (‘Ike’) [email protected]
Hydromine modular and scalableOur project:‣ Use the SHARKS framework to explore Hydromine
modularity in all of the S1 to S4 case with low-mid fidelity weakly coupled models (fluid power flow, structure, controls, actuators, payloads) resulting in a down select of solutions with key parameters meeting LCOE
‣ Refine the promising cases with high fidelity and coupled models:– Mid-term outcome is basic design and concept
parametric description with competitive LCOE estimates
‣ Prove core technology performance in towing tank and wave/wind force action and experiment with control aspects
‣ Refine and design to pre-feed level of engineering as well as operational cost (taking advantage of simplicity, scalability and multi-unit combinations)
‣ Match performance with market specific regions and interaction with other RE-resource and off-the-shelf time shifting technology
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M1 = Pe1/Pw1 = Cp × µ = Efficiency W2e, below rated [-]
SHARKS Program Metric Space (Proposed S3 Design)
Proposed S3 LCOE Proposed S3 Target S3 LCOE
S3 example:Two units on shared structure, each 250 kW and 68 m2 swept area
Small rating to reduce cost for “narrow” band of water speeds in Mississippi river
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0.15 0.25 0.35 0.45 0.55 0.65 0.75
M2
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M1 = Pe1/Pw1 = Cp × µ = Efficiency W2e, below rated [-]
SHARKS Program Metric Space (Proposed S4 Design)
Proposed S4 LCOE Proposed S4 Target S4 LCOE
S4 example:Three units on shared structure, each 750 kW and 78 m2 swept area
High rating to take advantage of high water speeds and higher degree of shared infrastructure
Path to Target LCOE‣ Our baseline technology offers large flexibility in sizing and
rating to specific use cases:
– T1 metrics are primarily driven by power rating, which is
relatively independent of swept area (if you compare to an ordinary rotor system). Large platform offers opportunity for payloads and time shifting technology
– T2 metrics are primarily driven by structural integrity in extreme loading cases (wind, water, wave). Alignment and control actuation can drive optimal performance
– T3 metrics are primarily driven by very few moving parts, simplicity and inherent robustness. Power generation is above waterline and OPEX (generally) reduces further
with size and multi-unit configurations. Multi-unit micro grid offers resilience
‣ CCD(T1,T2,T3) = low LCOE
‣ Other key challenges:
– Preliminary analysis of bio fouling shows high robustness, but mitigation will be included
– Secondary water intake inlet design including screens or deflectors needs to be site specific, also considering aquatic life
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platform size [m]
SHARKS goal
Baseline
25% cost reduction
S4 example:
Three units on shared
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and ratings as a baseline
and improved structure
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Project Impact‣ Transformational in hydrokinetics / SHARKS
– Concept is robust, disruptive and elegantly simple, compared to open rotor
– Extremely scalable and site customizable – Low complexity in manufacturing– Limited components to maintain – Internal propeller driven by passive
hydrodynamic foils– Everything fragile above the waterline (different
concepts S1 to S4)– Safe for aquatic life and minimally impacted by
fouling‣ Compared to other renewable technologies in the
water, Hydromine is highly competitive‣ Exploring the parametric space in the SHARKS
framework and beyond, using CCD methods, could unlock solutions we have not even imagined, yet !
8 MW HydroMINE Best packing, 6 times the HydroMINE size, which equals 2 times the platform size
Wind: 0.037 MWh/yr./m2 water surface area
HydroMINE: 1.0 MWh/yr./m2 water surface area
System capacity [MW]
System weight [ton]
Draft [m]
Platform size [m]
Energy to material use efficiency [MWh/yr./ton]
Water surface area energy density [MWh/yr./m2]
FutureCost of energy[$/kWh]
HydroMINE platform , conservative 12.6 2600 26 42 8.8 1.03 0.045
HydroMINE platform (stretch goal) 7.5 500 20 42 32 1.03 0.029
Other Tidal (R4) 4 1689 50 120 13 0.1 0.04
Floating wind 8.4 4200 18 50 8.6 0.037 0.075
High wave floating PV 8 2100 3 265 5.8 0.079 0.065
Bottom mounted turbine (8 pc) 8 2240 40 n/a 6.4 0.20
Tech to Market Plan‣ Initially we will explore the opportunities in all four
benchmark cases S1 to S4 from a technology perspective and down select based on performance, the long term market impact potential is obviously very different
‣ In optimizing S4 case, we believe a utility level solution can be market competitive and will explore costal generation delivering power into existing grid in co-existence with market forecast, and compare to other technologies
‣ We will consider to integrate off-the-shelf payloads in our tech-to-market to mitigate that great hydrokinetic resource not always is collocated with point of use
‣ Towing tank proof of concept is a strong validation, but proving a new technology like Hydromine will require a reasonable sized pilot platform test
unit rating5 to 10kW modular unitsLarge systems of multiple MW units
Small river hydro kinetics(ARPA-E S1 case)
Offshore installations
Ruralpower
Community
Power the country
Power costal cities
ImpactFloating mobile power,Military, disaster relief
Bottom mountedtidal solutions
Floating utilitytidal solutions(ARPA-E S4 case)
Individual
Large remote installations
River utility(ARPA-E S3 case)
Water supply kinetics
Remote tidal (ARPA-E S2 case)
Bottom mounted and floating wind
